If you visit the site regular, this page can help you to find the latest new items. Please come back often. I'm always looking for new semiconductor items to complete my collection, so if you would like to sell or exchange something, please contact me, jan@transparentsound.com.
Latest
news (January 15th
2015)
New interesting link from Simon Hemour
regarding Harvesting HF energy, see website:
http://ieeexplore.ieee.org/stamp/stamp.jsp?reload=true&arnumber=6922611
Latest
news (July 17th
2014)
New interesting link from Joe Da Silva
(US),
etler.com/docs/WECo/WECo%20Solid%20State%20Devices.pdf
Latest
news (April 6th
2014)
Historic diode information (1N21. 1N22,
1N23 etc. from Simon Hemour from the US, see Sylvania webpage on this site.
Latest
news (August 24th
2013)
Brimar commercial Leaflets of the TP1,
TP2, TJ1, TJ2 and TJ3 donated by Stef Niewiadomski from the UK.
Latest
news (August 23rd
2013)
Brimar datasheets TS1, TS2, TS3, TP1,
TP2, TJ1, TJ2 and TJ3 donated by Stef Niewiadomski from the UK.
Latest
news (May 10th
2013)
New photo's Honeywell 2N8, 2N75, 2N757A,
2N1501, H1, H4, H5, H6, H10, H45, H71, H201, Unidentified devices, Waver
materials
New photo's Sylvania GT422
New photo's Western Electric 2N26, 1764
New photo's Texas Instruments 201, 300, 950-1, J11, TN59, Experimental Devices
New photo's Philips OC53-55-55A-58
New photo's RCA TA153, TA165K
New book, Broken Genius by Joel N.
Shurkin
New book, Crystal Fire by Michael Riordan & Lillian Hoddeson
New book, TI, the Transistor and Me by Ed Millis
Latest
news (April 12th
2013)
New Page Honeywell implemented, mean for
major update with a lot of new devices.
Coming soon photos of the RCA TK165K
Coming soon photos of the Western Electric 2N26 transistor and 1764 diode
Coming soon photos of the Sylvania GT-422
Coming soon photos of the Philips devices; OC13, OC53, OC55, OC55A, OC58
Latest
news (March 11th
2013)
Update historic information regarding
the first Hybrid car radio and first all transistor car radio (1955), see Brand
history, Delco transistors. Thanks Rick Hirsh from the US for his grateful
contribution of this info.
Latest
news (December 31st
2012)
Update specifications from the S35
Silicon Junction Diode from Brush Crystal Company. Thanks to Bertram Schmiedel
from Germany for his feedback.
Latest
news (March 9th
2012)
Coming soon: Sylvania GT-442, Philips
OC13, RCA TA165K, Philips OC53, OC55, OC55A, OC58
Latest
news (January 26th
2012)
Updated the technical info for P416,
Russia GE transistor
Updated Sale/Wanted page
Latest
news (January 2nd
2011)
New, Westinghouse 308F Power diode, mid
fifties,
New, Sylvania Transistor Kit, with 2pcs 2N35, 1pcs 1N34 and Booklet,
New, Philips, OA7 Germanium diode,
New, Philips, OC43 Germanium PNP transistor,
New, Philips, OC44 Germanium PNP transistor,
New, Philips, OC70 Germanium PNP transistor,
New, Philips, OC75 Germanium PNP transistor,
New, Philips, OC140 Germanium PNP transistor,
New, Western Electric, 2N24 PNP Germanium transistor.
New, Western Electric, 2N27 PNP Germanium transistor.
New, Western Electric, 1859 PNP Germanium transistor.
New, Western Electric, 1847 Varistor.
Latest
news (October 2nd
2011)
Updated the Logo of Westinghouse
transistors in Brand History, coming from a carton package of 308F Power diodes
(16pcs)
Latest
news (September 24th
2011)
Updated Texas instruments ad. Rocket
power Controlled by Transistors, published February 1958 in Fortune.
Latest
news (September 5th
2011)
Updated Zaerix and CV--> Communication
Valve historic information. Thank to Alan Stepney from the UK.
Latest
news (August 22th
2011)
Updated T1 device by Rick Hirsh,
it was a Texas Instruments Silicon Diode from 1956.
Latest
news (February 25th
2011)
Updated Brimar M3 Selenium Diode
specifications, thank to John Sykes from the UK.
Latest
news (February 6th
2011)
New, Raytheon Technical and Application
Data from 1955-1957, with a complete reference chart of the early Raytheon
Transistors and Diodes.
New, Implementation of original datasheet of the 2N112, CK721 and CK722.
Latest
news (January 25th
2011)
New, Philco Transistor reference Chart
from the early sixties.
Latest
news (January 22th
2011)
New, CBC datasheet for the 1N34 till
1N67 diodes (early fifties)
New, Small Sylvania book Crystal Diode Circuits Kinks from 1958.
Latest
news (January 18th
2011)
New, Philips chapter updated with coming
soon items, like OA7, OC43, OC44. OC70, OC75 and OC140.
Latest
news (January 16th
2011)
New, Photo of a Selmer Varitone was
implemented in my home page, thanks to Chris V. from the US.
Latest
news (January 13th
2011)
New, Datasheet of the G11, General
Electric Point Contact Transistor.
Latest
news (November 9th
2010)
New, GEC, GET101 Germanium Transistor,
mid sixties.
New, GEC, GET102 Germanium Transistor, mid sixties.
New, GEC, GET104 Germanium Transistor, mid sixties.
New, GEC, GET120 Germanium Transistor, mid sixties.
New, GEC, GET571 Germanium Transistor, mid sixties.
New, GEC, GET691 Germanium Transistor, mid sixties.
New, GEC, GET692 Germanium Transistor, mid sixties.
New, GEC, GET873 Germanium Transistor, mid sixties.
New, GEC, GET882 Germanium Transistor, mid sixties.
New, GEC, SX51SE Germanium Diode, mid sixties.
New, GEC, SX633 Germanium Diode, mid sixties.
New, GEC, SX634 Germanium Diode, mid sixties.
New, GEC, SX781 Germanium Diode, mid sixties.
New, Mullard, GET103 Germanium Transistor, mid sixties.
New, Mullard, GET106 Germanium Transistor, mid sixties.
New, Mullard, GET111 Germanium Transistor, mid sixties.
New, Mullard, GET114 Germanium Transistor, mid sixties.
New, Mullard, SX634 Germanium Diode, mid sixties.
New, CV4073, CV7008 Germanium transistors, mid sixties
New, Unknown Device, European Germanium Transistor
Latest
news (November 6th
2010)
New, CBS Diode, 1N82 early sixties.
Latest
news (October 31th
2010)
New, Book from Mullard LTD. Transistors
for the experimenter with OC70, OC71 and OC72 from august 1956.
Latest
news (September 18th
2010)
New, VR7AEI Germanium Diode
New, XA111 Ediswan PNP Germanium Transistor
New, AAZ12 Philips Germanium Diode
New, 2N458 Texas Instruments PNP Silicon Transistor
Latest news (September
12th
2010)
New, 1N39A CBS Germanium Diode
New, 2N414 Raytheon PNP Germanium Transistor
New, 1N39A for Sale (3pcs)
Latest news (September
11th
2010)
New, A1689 Western Electric device,
Point Contact Transistor
Latest news (July
17th
2010)
Updated URL link to Andrew Wylie's
website.
Latest news (July
8th
2010)
Update Sylvania book, Microwave Diode
Handbook from 1957.
Latest news (June
4th
2010)
Update datasheet Zentih 121-361, with
great help from Thomas Ernst from Germany.
Latest news (November
7th
2009)
New Leaflet of CSB Power Transistors
2N155, 2N156 and 2N158.
Latest news (June
21th 2009)
New, 2N25 Western Electric device, Point Contact Transistor
New, GET103, Mullard, PNP Germanium transistor
New, GET105, Mullard, PNP Medium Power Transistor
New, GET67, GEC (UK), PNP Germanium transistor
New, GET115, GEC (UK), PNP Medium Power transistor
New, SX643, GEC (UK), Germanium Diode
New, SX645, GEC (UK), Germanium Diode
Latest news (April
2nd
2009)
New Leaflet of Raytheon transistors with Jetec 30 package.
Latest news (March
14th
2009)
New photos of Raytheon, CK1122, Raysistor
Update CBS-Hytron page with folder Point Contact and Junction Devices 1953
Latest news (March
1th
2009)
New photos of Raytheon, CK2026S, Raysistor
New photos of Raytheon, CK2028S, Raysistor
New photos of Raytheon, CK2052, Raysistor
Coming soon info of Raytheon, CK1122, Raysistor
New photos of Raytheon, CK707 Germanium Diode
New photos of Raytheon, CK708 Germanium Diode
New photos of Raytheon, CK708P Germanium Diode
New photos of Raytheon, CK741 Germanium Diode
Latest news (February
15th
2009)
New photos of Ediswan PXC101, Germanium PNP
Transistor
New photos of Kemtron 1N60, Germanium Ceramic Diode
New photos of CBS, 1N64, Germanium Diode
New photos of Sylvania, 1N82, Germanium Diode
New photos of Hivac, XFT2, Germanium Transistor, see for more details AEI/BTH
directory
New photos of Raytheon, CK710, Low Noise Mixer Germanium Diode
Latest news (December
14th
2008)
New photos of Western Electric, 1760A, Germanium PNP Point Contact
Transistor
New photos of Raytheon, CK901, Dual Germanium Transistor
New photos of STC. Transistor kit, 3 transistors marked as Mixer, IF and IF2
New photos of Sinclair, ST141, NPN Silicon Expitaxial Planar Transistor
New photos of Honeywell, 2N57, PNP Germanium Power Transistor
New photos of Texas Instruments, 2N119, NPN Silicium Low Power Transistor
Latest news (November
29th
2008)
Update website comment from Andre Wylie (England) for several items on my
site like S35 from Brush Crystal Company, SX and SZ diodes from Mullard and many
more.
Latest news (September
7th
2008)
New Datasheet of CBS-Hytron, PT2A, PT-2S, 2N36, 2N37 and 2N38
Latest news (June 28th
2008)
New photo's of STC, PYE and
CBS:
3X/302N STC PNP Germanium Junction Low
Power Transistor
V6/R4 PYE PNP Germanium Low Power Transistor
V6/R8 PYE PNP Germanium Low Power Transistor
V10/30 PYE PNP Germanium Low Power Transistor
V10/50 PYE PNP Germanium Low Power Transistor
2N180 CBS PNP Germanium Low Power Transistor
2N156 CBS PNP Germanium Power Transistor
2N158 CBS PNP Germanium Power Transistor
2N180 CBS PNP Germanium Low Power Transistor
For Sale:
2N156 CBS PNP Germanium Power Transistor
2N158 CBS PNP Germanium Power Transistor
Latest news (May 4th
2008)
2N107 General Electric PNP Germanium Alloy Junction Transistor
2N255, CBS PNP Power Transistor
CK256, Raytheon PNP Transistor
H201, Honeywell Germanium Power Tetrode Transistor
2SA12, Hitachi PNP Transistor
2SA15, Hitachi PNP Transistor
2SA31, TEN PNP Transistor
MAS21, PNP Transistor
M5W, Russian PNP Transistor
MN113, Russian PNP Transistor
N416, Russian PNP Transistor
2N174A, Motorola PNP Power Transistor
V10, Newmarket PNP Low Power Transistor
For Sale: 2pcs. 1N434, Silicon Diode from Raytheon
Latest news (April 1st
2008)
904, Texas Instruments Transistor
951, Texas Instruments Transistor
J213, Texas Instruments Transistor V
2N274, RCA Transistor
(Donated by Gerard Duperray France)
2N499, Philco Transistor
(Donated by Gerard Duperray France)
2N128 Sprague Transistor
(Donated by Gerard Duperray France)
Latest news (March 28th
2008)
Updated Brand History with RDR Radio Development and Research Corporation".
Latest news (March 23th
2008)
Pro-Electron (European Semiconductor Standard) and JIS (Japanese
Semiconductor Standard) code implemented.
Latest news (March 21th
2008)
JEDEC page with a complete datasheet list of transistors from 2N21 till
2N434 included historic information of JEDEC versus RETMA code
Update Books with the General Electric Transistor Manual from 1957.
Latest news (March 16th
2008)
New brand information regarding Shockley Transistor Corporation.
4D80M-3, Shockley Four Layer Diode
(donated by Rose Freeman)
BND26, Shockley Noise Diode
2N128, Philco PNP Transistor
(donated by Rose Freeman)
1N456, Texas Instruments Diode
(donated by Rose Freeman)
TIX611, Texas Instruments Transistor
(donated by Rose Freeman)
2N743, Texas Instruments Transistor
(donated by Rose Freeman)
2N3819, Texas Instruments J-FET
(donated by Rose Freeman)
Latest news (March 7th
2008)
New brand information regarding General Transistor and Hoffman Electronics.
Latest news (March 1th
2008)
Site fully restyled for better search en
global view. Many new rare and very rare items are now implemented on the
site. Thanks to David Willenborg
from the US, who donated and sold a lot of these items to me.
New is also a couple of historic datasheets of the early 2N22, 2N23, 2N24, 2N25
and 2N26 Western Electric. These information is derived from
technical paper: Electron Device Type Registration, release no. 1356, date;
September 20, 1954. Many thanks to Ludwell Sibely and David Willenborg (US) for
the documentation of Western Electric Company. Ludwell is
the author of the book Tube Lore which is a great tube cross reference guide,
filled with tube specifications, uses and much more. At last an updated
Sale/Wanted list, who can help me with these transistors?
New devices are:
A58 and
D57 STC Diode,
1N1425 Western Electric Diode.
WX3347's and
WX4813 Westinghouse (Very Rare items!)
2N21A, 2N22, 2N23 Western Electric transistor (Very Rare items!)
3N22 Western Electric transistor
2N66 Western Electric transistor
A1729 Western Electric transistor (Very Rare items!)
G-11 General Electric transistors (Very Rare items!)
1N85 Western Electric Photocell (Very Rare items!)
2N709 RCA Transistor
4JD3A2 General Electric transistor
2N27 and 2N29 Western Electric transistor
2N38 CBS/Hytron transistor
Latest news (January 29th
2008)
Updated Brand History, Tungsram included new logo's.
Latest news (January 27th
2008)
Updated Mullard, CV7089, Photo's
Updated Texas Instruments, 2N389,
Photo's
Updated Texas Instruments, 2N498,
Photo's
Updated Texas Instruments, 2N1724,
Photo's
Updated Texas Instruments, 2N1893,
Photo's
Updated General Electric, 2N338,Photo's
Updated Sylvania, 1N21, Photo's
Updated Sylvania, 2N95, Photo's
Updated Honeywell, 2N576, Photo's
Updated Philco, 2N345, Photo's
Updated Philco, 2N502, Photo's
Updated RCA, 2N175 Photo's
Updated Western Electric, GA51984, Photo's
Latest news (January 19th
2008)
Updated Mullard, CV7089, Coming soon information,
(donated by Ronald Werner from Norway)
Updated Texas Instruments, 2N389,
Coming soon information,
(donated by Ronald Werner from Norway)
Updated Texas Instruments, 2N498,
Coming soon information,
(donated by Ronald Werner from Norway)
Updated Texas Instruments, 2N1724,
Coming soon information,
(donated by Ronald Werner from Norway)
Updated Texas Instruments, 2N1893,
Coming soon information,
(donated by Ronald Werner from Norway)
Updated General Electric, 2N338,
Coming soon information,
(donated by Ronald Werner from Norway)
Updated Sylvania, 1N21, Coming soon
information,
(donated by Ronald Werner from Norway)
Latest news (January 18th
2008)
Updated WECO, GA-51984 Coming soon information
Updated RCA, 2N175 Coming soon information,
(Donated by David Willenborg from the US)
Updated Philco, 2N345 and 2N502 Coming soon information,
(Donated by David Willenborg from the US)
Updated Honeywell, 2N575 Coming soon information
Latest news (January 5th
2008)
Updated STC, ASY25, ASY27, ASY28, ASY29, ASY50, ASY55, ASY60, ASY63, T108
and T113 Photo's.
Updated Ediswan, PXA101, XA103, PXA125, XB113 and PXC101 Photo's.
Updated GEC, and SX640 Photo's.
Updated BTH, S35 Photo's.
Updated Unknown Transistors Europe, EFT125, and AL113Photo's.
Updated ITT Transistors Europe, T905A Photo's
Updated Mullard, OC16 and OC44,45 kit Photo's.
Updated Transitron, 2N342 Photo's.
Latest news (December 8nd
2007)
Updated STC, ASY25, ASY27, ASY28, ASY29, ASY50, ASY55, ASY60, ASY63, T108
and T113 Coming soon info.
Updated Ediswan, PXA101, XA103, PXA125, XB113 and PXC101 Coming soon info.
Updated GEC, S35 en SX640 Coming soon info.
Updated Unknown Transistors Europe, EFT125, AL113 and T905A Coming soon info.
Updated Mullard, OC16 and OC44,45 kit Coming soon info.
Latest news (December 8nd
2007)
Updated RCA, 2N218, 2N270, 2N407 and 2N410, new photo's
Latest news (December 3th
2007)
Updated Transitron, 2N342 PNP Silicium Power Transistor. (Coming soon)
Latest news (November 25nd
2007)
New homepage, the 60 years anniversary of the Transistor
Latest news (November 24nd
2007)
Updated RCA, 2N218, 2N270, 2N407 and 2N410, all coming soon
Latest news (October 12nd
2007)
Updated RCA, 2N301 PNP Germanium Power Transistor. (Photo's)
Updated Western Electric, 1858 NPN Grown Junction Germanium Transistor. (Photo's)
Latest news (October 7nd
2007)
Updated Philco, T1362 PNP Germanium Transistors. (Photo's)
Updated Philco, 2N226 PNP Germanium Transistors. (Photo's)
Updated TV Transistor, 6MC PNP Germanium Transistor. (Photo's)
Updated Mullard, OA86 Germanium Diode. (Photo's)
Updated Kemtron,1N34 Germanium Diode. (Photo's)
Updated Radio Receptor, RR66 PNP Germanium Alloy Junction Transistors. (Photo's)
Updated Raytheon; CK721 PNP Germanium Transistor. (Photo's)
Updated Raytheon; CK722 PNP Germanium Transistor Black version with original
package. (Photo's)
Latest news (October 6nd
2007)
Updated Books, 28 Uses for Junction Transistors (Sylvania 1955).
Latest news (October 4nd
2007)
Updated Philco, T1362 PNP Germanium Transistors
(Coming soon).
Updated TV Transistor, 6MC PNP Germanium Transistors
(Coming soon).
Updated Mullard, OA86 Germanium Diode
(Coming soon).
Updated Kemtron,1N34 Germanium Diode
(Coming soon).
Latest news (September 24nd
2007)
Updated Radio Receptor, RR66 PNP Germanium Alloy Junction Transistors
(Coming soon).
Latest news (September 16nd
2007)
Updated Website header with drawn transistors.
Latest news (September 12nd
2007)
Updated RCA, 2N34 PNP Germanium
Alloy Junction Transistor
(Photo's)
Updated CBS, 2N36 PNP Germanium
Alloy Junction Transistor
(Photo's)
Updated Raytheon, CK722 Black version PNP Transistor
(Photo's)
Latest news (September 5nd
2007)
Updated Western Electric; 2N67 PNP Germanium PNP
Point-Contact High-Speed Switching Transistor (Photo's)
Latest news (September 2nd
2007)
Coming soon:
Updated Raytheon; CK721 PNP Germanium Transistor
Updated RCA; 2N34 PNP Germanium Alloy Junction Transistor
Updated CBS; 2N36 PNP Germanium Alloy Junction TRansistor
Updated Western Electric; 2N67 Germanium PNP
Point-Contact High-Speed Switching Transistor
Latest news (August 25nd
2007)
All new photo's:
Updated Europe; Edsiwan XA112 germanium Transistor (new)
Updated Europe; GEC semiconductors; S1 Silicium Transistor (new)
Updated Europe; Newmarket semiconductors; V30/20 PNP Germanium Power Transistor
(new)
Updated Europe; GEC Plessey semiconductor; SA495 Silicium PNP transistor (new)
Updated Europe; Sinclair semiconductor; T140,
NPN Silicon
Epitaxial Planar Transistor
(new)
Updated Europe; STC; TK33C, Germanium
NPN transistor Low Power (new)
Updated Europe; STC, TK20C, TK24B, TK28C, TK31C, TK41C, TS13, TS17 and a
White Spot Mixer, all Germanium PNP Transistors (new)
Latest news (August 17nd
2007)
New technical information:
Updated Europe; AEI; GT45B and XA112 germanium Transistor (coming soon)
Updated Europe; GEC semiconductors; S1 Silicium Transistor (coming soon)
Updated Europe; Newmarket semiconductors; V30/20 PNP Germanium Power Transistor
(coming soon)
Updated Europe; GEC Plessey semiconductor; SA495 Silicium PNP transistor (coming
soon)
Updated Europe; Sinclair semiconductor; T140,
NPN Silicon
Epitaxial Planar Transistor
(coming soon)
Updated Europe; STC; TK33C, Germanium
NPN transistor Low Power (coming soon)
Updated Brand History, Sinclair a brand-labeller
from the UK
Updated Brand History, Semiconductors
Ltd.” owned by GEC Plessey Semiconductors.
Latest news (August 15nd 2007)
Updated Books; 50 transistor applications by Raytheon, published by Raytheon
around 1955
Latest news (August 14nd 2007)
Updated Books; 28 uses for Junction Transistors, published by Sylvania in
1957
Latest news (August 4nd 2007)
Updated United States; Tung-Sol PNP Power germanium Transistor, 2N278
Updated United States; Sylvania BIG9 replacement kit with 101, 104 and 106
Germanium PNP Transistor
Updated United States; Western Electric PNP Power germanium Transistor, 12F
Latest news (July 31nd 2007)
Updated Europe; AEI/BTH, GT11, GT12, GT41, GT43, GT45B pictures
Updated United States; General Transistor, GT222 pictures
Updated United States; 2N1155 NPN Low Power Silicium Transistor included
pictures
Latest news (July 25nd 2007)
Updated Europe; STC, TK20C, TK24B, TK28C, TK31C, TK41C, TS13, TS17 and a
White Spot Mixer, all Germanium PNP Transistors (available pictures are coming
soon)
Updated Europe; AEI/BTH, GT11, GT12, GT41, GT43, GT45B all Germanium PNP Transistors
(available pictures are coming soon)
Updated Europe; Unknown, EW80 Germanium PNP Transistor (available pictures are
coming soon)
Updated United States; General Transistor, GT222 Germanium PNP Transistor
(available pictures are coming soon)
Updated United States; Sylvania BIG9 replacement kit with 101, 104 and 106
Germanium PNP Transistor (available pictures are coming soon)
Updated Books; Transistors, written by Mr. W. Tebra, early fifties
Updated Brand History; UK Military Crystal Valve, AEI/BTH and Brimar/STC history
facts.
Latest news (July 8nd 2007)
Philco Ad's implemented, from the magazine Fortune in 1958.
Latest news (July 2nd 2007)
New background items, photo's with dithering in 2 color format
Updated Mullard, AC127Z PNP Germanium Transistor
Updated Raytheon, 1N434 Germanium Diode
Updated Sylvania, 1N23A, 1N23B General Purpose UHF-MW Silicon Mixer Diode
Updated United States; AMD, 1N663A, High Speed Silicon Switching Diode
Updated United States; Kemtron, 1N34, Germanium Diode
Updated United States; General Electric, 1N23A, General Purpose UHF-MW Silicon
Mixer Diode
Updated United States; US, 2N43A, PNP Germanium Transistor
Updated United States; Hi-tron, 2N309, PNP Germanium Transistor
Updated United States; Transitron, SV3173, General Purpose
Reference Diode
Updated Europe; Valvo, BFY50, General Purpose Medium Silicon Transistor
Updated Russia; TPAH3ИCTOP, GT313A, Germanium
Transistor
Updated Japan; Thosiba, 2SB54, Germanium
PNP Transistor
New chapter Books; Transistors "Theory and practice" by Rufus P. Turner
published in 1954
New chapter Books; The Transistor Age, published by Southwestern Bell
Latest news (June18nd 2007)
Updated separating the site
www.transparentsound.com with
www.vintagetransistors.com
"Vintage Transistors", "RCA 2N109, 2N139 and 2N140" Germanium Transistors.
"Vintage Transistors", "AMD" implemented in chapter Brand History
Latest news (June7nd 2007)
Updated "Vintage Transistors & Diodes", "Western Electric" 12B Germanium
Transistor and WECO 420B Germanium Diode.
Latest news (May27nd 2007)
Updated "Vintage Transistors & Diodes", "Western Electric" 4D" and "Delco"
"2N256" Power Germanium Transistor.
Latest news (May17nd 2007)
Updated "Vintage Transistors & Diodes", "Sylvania" 2N68, 2N102, 2N143,
2N144, 2N247, 2N255 and 2N711 Germanium Transistors.
Latest news (May 9nd 2007)
Updated "Vintage Transistors & Diodes", "WECO" 2N110 Transistor and "WECO"
GA50649 Varistor.
Latest news (May 3nd 2007)
Navigation of the site totally revised, "Vintage Transistor" implemented in
the site.
Updated "Vintage Transistors & Diodes", "RCA" 2N109-C and Sylvania's BIG-9
replacement kit.
Latest news (April 14nd
2007)
Updated "Vintage Transistors & Diodes", "Delco" 2N174 Power Transistor.
Latest news (March 30nd
2007)
Updated "Vintage Transistors & Diodes", "Western Electric" A1698, A1768 and
$B & 4C PNP Low Power Transistors,
"Philips" OC71 PNP Low Power Transistor, "RCA"2N2339 Medium Power PNP Transistor
Latest news (March 9nd
2007)
Updated "Vintage Transistors & Diodes", "TI" 2N542 SI Low Power Transistor,
"ITT" 4E50 Four-Layer Shockley Diode
Latest news (March 8nd
2007)
Updated "Vintage Transistors & Diodes", "RCA" 2N109, 2N247, 2N647, 40235,
"Zenith" 121-361
Latest news (March 4nd
2007)
Updated "Vintage Transistors & Diodes", Photo's General Purpose Regulator
Diode, 2N1530A from Hoffman.
Latest news (March 2nd
2007)
Announcement coming soon new transistors, "RCA" 2N109, 2N247, 2N647, 40235,
"Zenith" 121-361
Latest news (February 18th
2007)
Updated "Vintage Transistors & Diodes", Manufactory "GPC, Germanium
Products Corp."
Latest news (February 16th
2007)
Updated "Vintage Transistors & Diodes", Photo's Germanium Power PNP
Transistor, AD149 Mullard,
Germanium Power PNP Transistor, OC45 Mullard.
Latest news (February 9th
2007)
Updated "Vintage Transistors & Diodes", Photo's Germanium Power PNP
Transistor, 2N101 Sylvania,
Germanium Power PNP Transistor, 2N26 CBS, Germanium Power PNP Transistor, 2N1523
Delco.
Latest news (February 6th
2007)
Updated "Vintage Transistors & Diodes", Photo's Germanium PNP Transistor,
2N34 Sylvania".
Latest news (January 30th
2007)
Updated "Vintage Transistors & Diodes", Manufactory "Bendix" & "Transistor
products Inc."
Latest news (January 28th
2007)
Updated complete navigation of the website with interactive knobs and tabs.
Latest news (January 26th
2007)
Updated "Vintage Transistors & Diodes", Manufactory "Van der Heem".
Latest news (January 24th
2007)
Updated "Vintage Transistors & Diodes", Photo's Germanium PNP Point Contact
Transistor, 2N23 Western Electric".
Latest news (January 21th
2007)
Updated "Vintage Transistors & Diodes", Photo's ZJ3-1 Prototype Germanium
PNP Transistor, General Electric.
Updated "Vintage Transistors & Diodes", Manufactures "Intermetall", "Standard
Elektrik Lorenz", "TeKaDe" and "Westinghouse".
Latest news (January 19th
2007)
Updated "Vintage Transistors & Diodes", Manufactures "British Thomson
Houston".
Latest news (January 17th
2007)
Updated "Vintage Transistors & Diodes", Manufactures "Fujitsu-Ten", "Radio
Receptor", "Clevite", "Newmarket" and "Pye Ltd.".
Latest news (January 15th
2007)
Updated "Vintage Transistors & Diodes", Photos Power Transistor 2N173
Motorola
Updated "Vintage Transistors & Diodes", Manufactures "Western Electric"
Latest news (January 13th
2007)
Updated "Vintage Transistors & Diodes", Manufactures "Mitsubishi"
Latest news (January 12th
2007)
Updated "Vintage Transistors & Diodes", Manufactures "Toshiba"
Latest news (January 11th
2007)
Updated "Vintage Transistors & Diodes", Manufactures "Delco" and "NEC"
Latest news (January 10th
2007)
Updated "Vintage Transistors & Diodes", Photos Proto type 2N176 Motorola
Updated "Vintage Transistors & Diodes", Manufactures "National Union"
Latest news (January 9th
2007)
Updated "Vintage Transistors & Diodes", Proto type PNP Germanium Transistor
ZJ7 from General Electric
Updated "Vintage Transistors & Diodes", Manufactures "Transitron"
Latest news (January 8th
2007)
Updated "Vintage Transistors & Diodes", Manufactures "Spraguel"
Latest news (January 7th
2007)
Updated "Vintage Transistors & Diodes", Manufactures "Tung-Sol", "Honeywell"
and "Zenith"
Latest news (January 4th
2007)
Updated "Vintage Transistors & Diodes", BA6 and CK722 Blister Germanium PNP
transistors
Latest news (December 31st
2006)
Updated Transistor page index included Manufactory history "Amperex" & "Valvo"
Latest news (December 28st
2006)
Updated Transistor page index included Manufactory history
Latest news (December 22st
2006)
Updated "Vintage Transistors & Diodes", XN2, T2546, CK760A, 2N306, 2N393,
2N501A Germanium transistors
Updated "Vintage Transistors & Diodes", OA10, SX635 Germanium Zener Diodes
Latest news (December 6st
2006)
Updated "Vintage Transistors & Diodes", 2N417-1 and 2N417-2 Germanium PNP
transistors
Latest news (December 3st
2006)
Updated "Sphinx EDA", Myth-7 Tuner, PJ-18MK2 Power Amplifier
Latest news (December 1st
2006)
Updated "Sphinx EDA"", Phono Equaliser
Latest news (November 30th
2006)
Updated "Vintage Transistors & Diodes" with pre-announcement XN2 & T2565
Latest news (November 9th
2006)
Updated "Vintage Transistors & Diodes" with pre-announcement 2N417
Latest news (November 4th
2006)
Updated "Vintage Transistors & Diodes"
Latest news (October 24th
2006)
New site "Vintage Transistors & Diodes implemented"