This is one of the transistor types.
Part Number: A1941
Function: Silicon PNP Triple Diffused Type
Package: TO- 3PN
Manufacturer: Toshiba
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Features
1. High breakdown voltage: VCEO = −140 V (min)
2. Complementary to 2SC5198
3. Recommended for 70-W high-fidelity audio frequency amplifier output stage.
Pinout
Absolute Maximum Ratings (Tc = 25°C)
1. Collector-base voltage VCBO −140 V
2. Collector-emitter voltage VCEO −140 V
3. Emitter-base voltage VEBO −5 V
4. Collector current IC −10 A
5. Base current IB −1 A
6. Collector power dissipation (Tc = 25°C) PC 100 W
7. Junction temperature Tj 150 °C
8. Storage temperature range Tstg −55 to 150 °C
Reference PDF : https://www.electronic.it/open2b/var/product-files/567.pdf
