На еден друг форум најдов листа на транзистори кои според карактеристики (линеарност, транзиентна фреквенција и сл...) би биле одлични за употреба во аудио засилувачи:
1) ST-Microelectronics "BiT-LA"
(bipolare junction transistor linear application - planar technology with an advanced base island layout)
2ST5949/2ST2121 250V 17A 250W hfe: 35-160 25MHz TO-3/TO-204
2STC5200/2STA1943 230V 15A 150W hfe: 35-160 30MHz TO-264
2STC5949/2STA2121 250V 17A 220W hfe: 35-160 25MHz TO-264
2STC5948/2STA2120 250V 17A 200W hfe: 35-160 25MHz TO-3P
2STC4467/2STA1694 120V 8A 80W hfe: 70-140 20MHz TO-3P
2STC4468/2STA1695 140V 10A 100W hfe: 50-140 20MHz TO-3P
2STC2510/2STA2510 100V 25A 125W hfe: 40- 80 20MHz TO-3P
2STC5242/2STA1962 230V 15A 130W hfe: 35-160 30MHz TO-3P
2STW4466/2STW1693 80V 6A 60W hfe: 50-120 20MHz TO-247
2STW4468/2STW1695 140V 10A 100W hfe: 50-120 20MHz TO-247
2) TOKYO SHIBAURA ELECTRIC CO (Toshiba) "M.E.T"
Multi Emitter Transistor
TO-3P(L) = TO-3P Large =TO264 TO-3P(N) = TO-3P (N=Normal)
2SA1939/2SC5196 80V 6A 60W hfe: 55-160 30MHzTO-3P(N)--
2SA1940/2SC5197 120V 8A 80W hfe: 55-160 30MHzTO-3P(N)--
2SA1941/2SC5198 140V 10A 100W hfe: 55-160 30MHz TO-3P(N)--
2SA1942/2SC5199 160V 12A 120W hfe: 55-160 30MHz TO-3P(L)--
2SA1943/2SC5200 230V 15A 150W hfe: 55-160 30MHz TO-3P(L)..
2SA1962/ 2SC5242 230V 15A 130W hfe: 55-160 30MHz TO-3P(N)..
2SA1986/2SC5358 230V 15A 150W hfe: 55-160 30MHz TO-3P(N)--
2SA1987/2SC5359 230V 15A 180W hfe: 55-160 30MHz TO-3P(L)--
2SA2120/2SC5948 200V 12A 200W hfe: 55-160 25MHz TO-3P(N)--
2SA2121/2SC5949 200V 15A 220W hfe: 55-160 25MHzTO-3P(L)--
2SA1302/2SC3281 old type, see MJW1302A/MJW3281A from onsemi
2SA1095/2SC2565 160V 15A 150W hfe: 40min 60MHz RM60 (34,3x16,3x5,3mm), old type, gr/bl
3) Fairchild - Toshiba
(also "M.E.T" = Multi Emitter Transistor ?)
FJL4215/FJL4315: see Toshiba 2SA1943/2SC5200
FJA4213//FJA4313 see Toshiba 2SA1962/ 2SC5242
4) a. ON (Single Emitter ? - I don't know)
MJ21195/MJ21196 250V 16A 250W hfe: 25-75 5MHz TO-3/TO-204
MJ21193/MJ21194 250V 16A 250W hfe: 25-75 5MHz TO-3/TO-204
MJL21195G/MJL21196G 250V 16A 200W hfe: 25-75 4MHz TO-3PBL (TO-264)
MJL21193G/MJL21194G 250V 16A 200W hfe: 25-75 4MHz TO-3PBL (TO-264)
MJW21195G/MJW21196G 250V 16A 200W hfe: 20-80 4MHz TO-247
MJW21193G/MJW21194G 250V 16A 200W hfe: 20-70 4MHz TO-247
NJW21193G/NJW21194G 250V 16A 200W hfe: 20-70 4MHz TO-3P
MJW21191G/MJW21192G 150V 8A 100W hfe: 15-100 4MHz TO-247
4) b. ON -Toshiba "M.E.T" = Multi Emitter Transistor
MJL1302A/MJL3281A 250V 16A 200W hfe: 75-150 30MHz TO-3PBL (TO-264)
MJL4302A/MJL4281A 350V 15A 230W hfe: 80-250 35MHz TO-3PBL (TO-264)
MJW1302A/MJW3281A 230V 15A 200W hfe: 50-200 30MHz TO-247
NJW1302A/NJW3281A 250V 15A 200W hfe: 75-150 30MHz TO-3P
NJW0302G/0281G 250V 15A 150W hfe: 75-150 30MHz TO-3P
5) Sanken "LAPT" (Large Area Parallel Transistor)
2SA1380/2SC4886 150V 14A 80W hfe: 50min 50MHz TO-3PF (FM100)
2SA1186/2SC2837 150V 10A 100W hfe: 50min 60MHz TO-3P (MT100)
2SA1303/2SC3284 150V 14A 125W hfe: 50min 50MHz TO-3P (MT100)
2SA1386/2SC3519 160V 15A 130W hfe: 50min 40MHz TO-3P (MT100)
2SA1294/2SC3263 230V 15A 130W hfe: 50min 35MHz TO-3P (MT100)
2SA1215/2SC2921 160V 15A 150W hfe: 50min 50MHz MT200
2SA1216/2SC2922 180V 17A 200W hfe: 30min 40MHz MT200
2SA1295/2SC3264 230V 17A 200W hfe: 50min 35MHz MT200
2SA1494/2SC3858 200V 17A 200W hfe: 50min 20MHz MT200
6) Fujitsu "R.E.T." (Ringemitter Transistor) all types old
2SA1003/2SC2323, TO-3 (no original Datasheet)
2SA1043/2SC2433 120V 10A 150W hfe: 35-200 60MHz TO-3, old type
2SA1044/2SC2434 70V 10A 150W hfe: 35-200 60MHz TO-3, old type
2SA1075/2SC2525 gr/bl 120V 12A 120W hfe: 60-200 60MHz RM60 (34,3x16,3x5,3mm), old type
2SA1076/2SC2526 gr/bl 120V 12A 120W hfe: 60-200 60MHz RM60 (34,3x16,3x5,3mm), old type
7) NEC E.B.T Transistor (Emitter Ballast Transistor) all types old
2SA1141/2SC2681 blue/bl 115V 10A 100W hfe: 60-200 80MHz similar TO247 (no orig. NEC datasheet)
2SA1227/2SC2987 gr/bl 140V 12A 120W hfe: 60-320 50MHz similar TO247
2SA1227A/2SC2987A gr/bl 140V 12A 120W hfe: 60-320 50MHz similar TO247
Matsushita/Panasonic MESA (RET, MET or EBT?) all types old
2SA1064/2SC2488 150V 8A 100W hfe: 40-280 50MHz TO-3
2SA1065/2SC2489 150V 10A 120W hfe: 40-200 50MHz TO-3