On Sat, 17 Jul 2010 10:04:06 -0700, Joerg
wrote:

legg wrote:
On Sat, 17 Jul 2010 06:42:08 -0700, Joerg
wrote:

Hansjoerg wrote:
Hello,

I'm looking for the datasheet of the TP9788
http://img686.imageshack.us/img686/1032/tp9788.jpg but it wasn't
anywhere to be found.
Doe's anybody knows the dates of this transistor?

Please do not double-post in English and German speaking groups. Someone
already gave you the answer in a German NG.

Which was......


quote

Am 17.07.2010 12:43, schrieb Hansjoerg:
Hallo,

was mach ich falsch? zu diesem Tansistor
http://img686.imageshack.us/img686/1032/tp9788.jpg finde ich nirgends
ein Datenblatt.
Wer kennt da die Grenzwerte?

Danke
Hansjörg
PT9788

Si NPN Power BJT
Various

V(BR)CEO (V)=40
V(BR)CBO (V)=70
I(C) Abs.(A) Collector Current=4.0
Absolute Max. Power Diss. (W)=70
h(FE) Min. Static Current Gain=10
h(FE) Max. Current gain.=100
@I(C) (A) (Test Condition)=200m
@V(CE) (V) (Test Condition)=5.0
f(T) Min. (Hz) Transition Freq=30M
Package=N/A
Military=N


73

unquote

Right; a four-lead body .380" OD, on a 0.25"W isolated flange, with
mounting holes on 0.75' centres ~ SOT123. For 28MHz CW; was originally
from TRW.

RL