BFY51 NPN General Purpose Transistor
BFY51 overview
The BFY51 is an NPN General Purpose Transistor made by Philips Electronics - NXP. Main ratings: Maximum Collector-Base Voltage |Vcb| 60 V; Maximum Collector-Emitter Voltage |Vce| 30 V; Maximum Emitter-Base Voltage |Veb| 6 V; Maximum Collector Current |Ic max| 1 A. The absolute maximum ratings table on this page lists the 7 limits from the manufacturer's datasheet that must not be exceeded. Possible alternatives include BFY50, BFY52; always compare the datasheets before substituting. This page brings together the BFY51 pinout, key specifications and maximum ratings, with the full datasheet PDF to preview below or download.
Key specifications
Maximum Collector-Base Voltage |Vcb|
60 V
Maximum Collector-Emitter Voltage |Vce|
30 V
Maximum Emitter-Base Voltage |Veb|
6 V
Maximum Collector Current |Ic max|
1 A
Transition Frequency (ft):
50 MHz
Datasheet
bfy51.pdf
BFY51 pinout
| Pin | Description |
|---|---|
| 1 | Emitter |
| 2 | Base |
| 3 | Collector |
Absolute maximum ratings
| Parameter | Value | Unit |
|---|---|---|
| BFY50 | 80 | V |
| BFY51 | 60 | V |
| BFY52 | 40 | V |
| Icollector current (DC) | 1 | A |
| Ipeak collector current | 1 | A |
| Ipeak base current | 100 | mA |
| case 25°C<Tcase<100°C | 2.86 | W |
BFY51 alternatives and equivalents
- BFY50, BFY52
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