QQ ... sub for 2sc1636 ?

anderslober

Yikes...not again!
Searched the forum....couldn't find any good info.

Specs:Type Designator: 2SC1636

Material of transistor: Si

Polarity: NPN

Maximum collector power dissipation (Pc), W: 0.3

Maximum collector-base voltage |Ucb|, V: 50

Maximum collector-emitter voltage |Uce|, V: 25

Maximum emitter-base voltage |Ueb|, V: 25

Maximum collector current |Ic max|, A: 0.02

Maksimalna temperatura (Tj), °C: 180

Transition frequency (ft), MHz: 15

Collector capacitance (Cc), pF: 8

Forward current transfer ratio (hFE), min: 500

Noise Figure, dB: -


KSC1845......??
 
According the Japanese transistor manual 2008/2009:

2SC732TM
2SC1345 (0.2W though)
2SC1740S
 
That looks like a muting transistor. I think you probably want something like a 2sc2878 which are still floating around out there.
 
Low noise, high Beta (hFE min. 500), MPSA18.

D-MPSA18-1.jpg


For noise figure check:
http://www.datasheet4u.com/share_search.php?sWord=MPSA18
 
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