The 2N4915 is a general purpose switching and amplifier transistor in a TO-3 package.
| Specifications: | |
| Package / Case | TO-3 | 
| Transistor Polarity | NPN | 
| Collector−Emitter Voltage Vceo | 80V | 
| Minimum hfe @ Current Ic @ Vceo | 25 @ 2.5A @ 2Vdc | 
| Minimum Base Current Ib | 2.5A | 
| Maximum Current Ic | 5A | 
Note: All Specification will vary on manufacture products.
 
    
             
 
  
 