The 2N3771 is a high power switching and amplifier transistor in a TO-3 package.
| Specifications: | |
| Package / Case | TO-3 |
| Transistor Polarity | NPN |
| Collector−Emitter Voltage Vceo | 40V |
| Minimum hfe @ Current Ic @ Vceo | 15 @ 15A @ 4Vdc |
| Minimum Base Current Ib | 7.5A |
| Maximum Current Ic | 30A |
Note: All Specification will vary on manufacture products.