BC639 NPN Audio GP Transistor
Series BC
BC639 overview
The BC639 is an NPN Audio GP Transistor. Main ratings: Maximum Collector-Base Voltage |Vcb| 80 V; Maximum Collector-Emitter Voltage |Vce| 80 V; Maximum Emitter-Base Voltage |Veb| 5 V; Transition Frequency 50 MHz. The absolute maximum ratings table on this page lists the 5 limits from the manufacturer's datasheet that must not be exceeded. This page brings together the BC639 pinout, key specifications and maximum ratings, with the full datasheet PDF to preview below or download.
Key specifications
Maximum Collector-Base Voltage |Vcb|
80 V
Maximum Collector-Emitter Voltage |Vce|
80 V
Maximum Emitter-Base Voltage |Veb|
5 V
Transition Frequency (ft)
50 MHz
Datasheet
bc639.pdf
BC639 pinout
| Pin | Name |
|---|---|
| 1 | Emitter |
| 2 | Collector |
| 3 | Base |
Absolute maximum ratings
| Parameter | Value | Unit |
|---|---|---|
| Emitter-Base Voltage | 5.0 | V |
| Collector Current - Continuous | 0.5 | A |
| Total Device Dissipation @ T | 625 | mW |
| Derate above 25°C | 5.0 | mW/°C |
| Operating and Storage Junction | -55 to +150 | °C |
BC639 applications
- Driver Stages of Audio/Video Amplifier
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