| Part Number | BD537J | BD538J | 
|---|---|---|
| Manufacturer | onsemi | onsemi | 
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Transistor Type | NPN | PNP | 
| Current - Collector (Ic) (Max) | 8 A | 8 A | 
| Voltage - Collector Emitter Breakdown (Max) | 80 V | 80 V | 
| Vce Saturation (Max) @ Ib, Ic | 800mV @ 200mA, 2A | 800mV @ 600mA, 6A | 
| Current - Collector Cutoff (Max) | 100µA | 100µA | 
| DC Current Gain (hFE) (Min) @ Ic, Vce | 30 @ 2A, 2V | 30 @ 2A, 2V | 
| Power - Max | 50 W | 50 W | 
| Frequency - Transition | 12MHz | 12MHz | 
| Operating Temperature | 150°C (TJ) | 150°C (TJ) | 
| Mounting Type | Through Hole | Through Hole | 
| Package / Case | TO-220-3 | TO-220-3 | 
| Supplier Device Package | TO-220-3 | TO-220-3 |