The BU208A is a high voltage fast switching power transistor in a TO-3 package.
| Specifications: | |
| Package / Case | TO-3 | 
| Transistor Polarity | NPN | 
| Collector−Emitter Voltage Vceo | 700V | 
| Minimum hfe @ Current Ic @ Vceo | n/a | 
| Minimum Base Current Ib | n/a | 
| Maximum Current Ic | 8A | 
Note: All Specification will vary on manufacture products.