Despite collecting old semiconductors for more than 40 years, there are are still many early devices that I want - mostly transistors from the 1950's and integrated circuits from the early 1960's. Below I have attempted to summarise the key ones, but there are others, so if you have vintage devices, please
Condition is not important - used examples are fine. I especially like examples on circuit cards.
UK Types:
| Mullard branded | OA50, OA51, OA53, OA56, OA60, OA74, OAZ208, OC15, OC50, CXT1, CXT2, BCY10-BCY12, BCZ10, BCZ12, BCZ13 |
| GEC branded | any EW series device, GET9, GET10, GET693, GET672, GET673, GET693, GET931, ST721-ST723, S2, S4, GEX00, GEX33, GEX36, GEX37, GEX54/3, GEX54/4, GEX58 |
| STC(UK) | TP1, TP2, any LS type e.g. LS736, LS737, LS828, LS830, TS9, R50A and R50B, ACY29, ACY32, ACY33, ACY35, ADY23, ASY53, ASY59, ASY61, ASY62, ASY65, any 2X/ diode, GD11 GD15 and GD16 diodes, any CK series IC |
| BTH or AEI | any JT or JTX type, JT1A, JT2A, JT3A, GT40B, GT42B, GT44B, GT47, any STX5 transistor, diodes CG3-E, CG5-M, CG6-M, CG7-C, CG8-C, CG8-M, CS1, CS2-A, CS3-A, CS4, CS5 |
| Ediswan | XA121 to XA126, XB114, XC111, XS111, XC155, XC156, XC171, XC703, XC713, XC723, XA141, XC723, XD901 diode |
| Newmarket | V6/R3, V6/R4, V6/2RC, V6/4RC, V6/8RC, V10/15AC, V10/30AC, V10/50AC, V10/1SC, V10/2SC, NKT406, NKT415, NKT416, NKT420, NKT501 to NKT504, any MC-series microcircuit, PC10 circuit board |
| Hivac | XFT1 |
| English Electric | any transistor eg VB701, VB704 |
| military CV types | CV164, CV166, CV1353, CV1354, CV2310, CV5309, CV5322, CV5327, CV5330, CV5353, CV5791, CV5851, CV7011, CV7012, CV7081, CV7116, CV7118, CV8004, CV8124, CV8276, CV8349, CV8386, CV8582 |
| PO types | PO1, PO2, any CXT type eg CXT1, CXT2 |
| Ferranti | any MicroNor and MicroLin ICs in the CN, ZSS, ZST and ZSP series |
| Semiconductors/Plessey | SB129, SB087, any SPC transistor, any diode, any bubble memory module or board, any SL2n IC |
| Lucas | DT4110 to DT4112, DT4120, DT4121, 49914A, 49935A |
| Texas Instruments (UK) | 3S001, 3S002, 3S003 |
| Thorn/Brimar/Mazda | AD140, ASY85, ASY86, ASY87, ASY88 |
| Impex | S31T |
| Associated Transistors | AT/AF1, AT/AF2, AT/RF1, AT/RF2, AT/S11, AT/S12, AT/S13 |
| Westinghouse Brake & Signal Co. | WG5A, WG6A, WG7A, WG7C, WG7D diodes, Westector rectifiers |
Types from other countries (except USA, see below):
| Australia | any transistors or diodes by STC or Philips marked as made in Australia, any transistors by AWA/AWV, Ducon or Anodeon. |
| Czechoslovakia - Tesla | any transistor xNT40, xNU40 or 1NU70 to 3NU70, any diode xNN40 or xNN41 |
| France - LCT | 3604, 3609, 3698, 3768 etc |
| France - CF Thomson-Houston | TH8501, THP35, THP44, THP45, THP50 to THP52, THP60, THP61
1T3, 2T3, 3T3, 4T3, 10T2, 11T2, 12T2, 17T1, 18T1, 25T1, 26T1 |
| France - CSF/COSEM | TJN1, TJN2, TJN1A, TJN2A, TJN100, types A-F, TJN6, TJN7, TJN30, TJN300
SFT101 to SFT105, SFT112, SFT113 |
| France - La Radiotechnique | OC15, OC70, OC71, OC72 (not Philips/Mullard examples) |
| France - Sagem | The MBS2256 bubble memory module |
| France - Westinghouse | any transistron |
| Germany - AEG | OD650, OD651, OD651a, OD652, OD750, OD751 |
| Germany - Intermetall | GSN1 - GSN6, GT1, GT2, X-125, X-122, X-120, OC32 to OC34, OC24 (not Philips/Mullard), OC301, OC302, OC318, OC330, OC410, AF111, any GES diode, any M series diode |
| Germany - Rost | GT 10, GT 20, GT 30, GTA1 to GTA3, GTE1, GTE2, GTL1, GTL3, GTV, HF100, HF200 |
| Germany - SAF | VS200, VS201, VS202, VS220, VS221, OC110, OC120, OC130 |
| Germany - Siemens | AD104, TS13, TS33, TF70, TF71, TF77, TF85, TF251, TF252, TF260 |
| Germany - TeKaDe | any K series diode, any 4000 or 7000 series transistor, GST01, GST02, GFT20, GFT21, GFT2006 |
| Germany - Telefunken | ACZ10, AFZ10, ASZ10, AUZ11D, OA159, OA173, OC601 (oval), OC602 (oval), OC611, OC622, OC623, OC6016, OD605, OD650, OD651, OD651a, OD652, OD750, OD751 |
| Germany - Valvo | ASY31, OA72, OA74, OC10, OC11, OC12, OC15, OC46, OC50, OC51, OC80A, 100.OC |
| Hungary - Tungsram | P6, 2-P6, P6T, P13, P14, P15, P13T, P13BT, P14T, P15T, 2-P6T, any GD series diode, OA1182 and OA1182D with decal |
| Italy - Microfarad / Mistral | MFT108, MFT121, MFT122, MFT123, MFT151, MFT152, MFT153 |
| Italy - SGS | 2G109, 2G138 |
| Switzerland - Ebauches | any ES type e.g. ES3110, ES3501 |
| Japan - Fujitsu | any FT type, 2SB12, 2SB13, 2SB14, 2SB20, 2SB21, the FBM64DA bubble memory module |
| Japan - Hitachi | any HJ type, 2SA13, 2SA14, 2SA16 |
| Japan - Mitsubishi | TJ35, TJ36, VB |
| Japan - National | any MA type, any MCP type, any OC type, 2SB70, 2SB92, 2SC50 |
| Japan - NEC | any ST type, any bubble memory module or board |
| Japan - Sony | T1698 etc, 2T01 to 2T99, 3T201 to 3T203 |
| Japan - TEN | 2NJ4, 2NJ9, 2NJ10 |
| Japan - Toshiba | TS12 - TS22 |
| The Netherlands - Philips | OC10, OC11, OC12, OC13, OC14, OC15, OC50, OC51 |
| The Netherlands - Van der Heem | OC1G to OC1L, OC1LR, OC1LP, the same suffixes for OC2 to OC6, OC222 |
| GDR/DDR - WBN/HWF/IHT/WF |
any 1NC-, 2NC-, or 3NC- transistor, any early diode eg DD, GDT, MDnnn, RDnnn e.g. RD120, OA500, OA513 etc
OC812, any OC81n type marked WBN, LC810, LC815, LC824, LD830, LD835, LF880, LF881, LA25, LA50, LA100, LA1, LA4, LA30 OC87n series types in painted TO-44 cans (eg red), OA601, OA602, OA603, OA605, ZL910 |
| Poland | TP1 to TP3 from IPPT PAN, TZG1 to TZG6, TZ5 to TZ11, TC11 to TC15, TEWA types TG1, TG2, TG3AS, TG3F, TG6, TG20, TG21, TG37, TG38, TG41, TG50, TG53, TG60, TG61 |
| The USSR | transistors KC1 to KC8, C1, C2, C3, C4, C5, КСВ1, КСВ2 etc., П1Д, П1И, МП4, П6Б, П7, large П8, oval П12, П18, П19, П21 to П24, П26 (all suffixes), П27 (all suffixes), П31 to П42 (all suffixes), П207 (all suffixes), П208 (all suffixes), П406 and П407 oval shape, П408, П409, П412, П413, П414 tophats
diodes any DG type or D type in green body the K1602RC1, K1602RC5 and K1602RC9 bubble memory modules (any suffix) |
US Types:
| Amperex | OC50, OC51, OC52, OC53, OC54, OC55, OC56, 2N115 |
| CBS-Hytron | PT-2A, PT-2S, 2N36, 2N37, 2N38, 2N80, 2N82, 2N108, 2N116 |
| Detectron | DCT4, DCT5, DCT6, DCT7, DCT8 |
| General Electric | G11, SX4A, 2N30, 2N31, 2N81, ECLO line ICs p321 to p327 |
| Germanium Products | RD2517, RD2520, RD2521, RDX500, 2N97, 2N97A, 2N160, 2N161, 2N162, 2N163 |
| Honeywell | 3N45, 3N46, 3N47, 3N48 |
| Hydro-Aire | A-0, A-1, A-2, A-3, S-0, S-1, S-2 |
| PR Mallory | Any transistor e.g., 440, 441, 442 |
| National Union Electric | T18A, T18B, 2N39, 2N40, 2N42 |
| Pacific Semiconductors Inc | PCG, PCF or PCI series ICs |
| Philco | 2N47, 2N48, 2N62, PL series ICs |
| Radio Receptor | R1698, R1729, R1734 |
| Raytheon | CK716 |
| RCA | 2N41, 2N46, 2N69, 2N96 |
| Sperry Semiconductor | 11S8 line ICs, 10S4 diode array, 300s2 - 302s2 differential amplifiers, 900 series ICs |
| Sprague Electric | 5A, DC6, 2N159 |
| Signetics ICs | SE101, SE102, SE120, SE130, SE140, SE200, SE104 or other SE types |
| Sylvania | 3N21 |
| AMELCO/TeleDyne ICs | MC100, SA100, SA102 |
| Texas Instruments(USA) | SN510, SN511, SN512, SN513, SN515 without suffixes A,B SN521, SN522 with or without suffixes SN530, SN531, SN532, SN533, SN534, SN535 without suffixes A,B transistors 100, 101, 102 |
| Clevite / Transistor Products | 2A, 2B, 2C, 2D, 2E, 2G, 2H, 2L, 2N50, 2N51, 2N52, 2N53, CTP1002 to CTP1006 power transistors |
| Transitron | 2N83, 2N84, 2N86, 2N87, 2N89, 2N90, 2N92, any power transistor |
| Westinghouse Electric | Any WX series transistor, 2N54, 2N55, 2N56, 2N58, 2N59, 2N60, 2N61, 2N73, 2N74, 2N75, any WMnnnn ICs |
| Western Electric | 5A, GA52837, GA53080, 3N21 |
| Bubble Memory | Modules or cards by IBM, Motorola, Rockwell, Memtech, National Semiconductor, Texas Instruments, or the Intel 7114 |