General view

SF129

IPRS Băneasa

Year
Unknown
Category
Components
Type
Transistors
Documentation score
1/5
Last edited
05 OCT 2026

Specifications

Material
Si
Polarity
NPN
Max. power dissipation (Pc, Ptot, Pd)
0.6 W
Max. collector–base voltage |Vcb|
120 V
Max. collector–emitter voltage |Vce|
80 V
Max. emitter–base voltage |Veb|
7 V
Max. collector current |Ic|
0.5 A
Max. junction temperature (Tj)
175 °C
Transition frequency (ft)
100 MHz
DC current gain (hFE), min
18
DC current gain (hFE), max
1120
Collector–emitter saturation voltage (Vce sat)
0.5 V
Turn-on time (ton)
550 ns
Turn-off time (toff)
1300 ns
Package
TO-39
Application
switching

Sources: [1]

Description

The SF129 is a silicon NPN switching transistor listed in the Agenda radioelectronistului (2nd edition, 1989) among the bipolar transistors made in Romania by IPRS Băneasa, in a TO-39 package [1].

hFE (h21E) measured at IC = 50 mA, VCE = 2 V; Vce sat at IC = 150 mA [1].

Documents

No documents available yet.

References

  1. [1]N. Drăgulănescu – „Agenda radioelectronistului”, 2nd edition, Editura Tehnică, 1989, section 28.2.18 „Tranzistoare cu siliciu, NPN, de comutație”, p. 540