NXP Semiconductors

BC638 Transistor
Switching and Amplifier Applications
Complement to BC637

BC639 Transistor
Sostituisce: 2SC1209 , 2SC1210 , 2SC1211 , 2SC1475 , 2SC1781 , 2SC2002 , 2SC2003 , 2SC2274 , 2SC2719 , 2SC366 , 2SD1021 , 2SD355 , 2SD468 , 2SD639 , 2SD655 , 2SD973 , BC431 , BC440 , BC537 , BC538

BC857 Transistor SMD

Transistor Polarity:PNP

Collector-to-Emitter Breakdown Voltage:45V

Typ Gain Bandwidth ft:150MHz

Operating Temperature Range:-65°C to +150°C

No. of Pins:3

Case Style:SOT-23

BC879 Transistor
Sostituisce: BC372 , BC875 , BC877 , BSR51 , BSR52
N-DARLINGTON 100V / 1A / 0.8W TO92

BD137 Transistor
Medium Power Linear and Switching Applications