BC557 PNP General Purpose Transistor
Series BC
BC557 overview
The BC557 is a PNP General Purpose Transistor. Main ratings: Maximum Collector-Base Voltage |Vcb| 50 V; Maximum Collector-Emitter Voltage |Vce| 45 V; Transition Frequency 75 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 BC557 pinout, key specifications and maximum ratings, with the full datasheet PDF to preview below or download.
Key specifications
Maximum Collector-Base Voltage |Vcb|
50 V
Maximum Collector-Emitter Voltage |Vce|
45 V
Transition Frequency (ft)
75 MHz
Datasheet
bc557.pdf
BC557 features
- Low current (max. 100 mA)
- Low voltage (max. 65 V).
BC557 pinout
| Pin | Name |
|---|---|
| 1 | Collector |
| 2 | Base |
| 3 | Emitter |
Absolute maximum ratings
| Parameter | Value | Unit |
|---|---|---|
| Emitter-Base Voltage | -5.0 | V |
| Collector Current - Continuous | -100 | mA |
| Total Device Dissipation @ T | 625 | mW |
| Derate above 25°C | 5.0 | mW/°C |
| Operating and Storage Junction | -55 to +150 | °C |
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