| Part Number | MJD31CT4 | MJD41CT4 | 
|---|---|---|
| Manufacturer | STMicroelectronics | onsemi | 
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single | 
|   |   | |
| Product Status | Active | Obsolete | 
| Transistor Type | NPN | NPN | 
| Current - Collector (Ic) (Max) | 3 A | 6 A | 
| Voltage - Collector Emitter Breakdown (Max) | 100 V | 100 V | 
| Vce Saturation (Max) @ Ib, Ic | 1.2V @ 375mA, 3A | 1.5V @ 600mA, 6A | 
| Current - Collector Cutoff (Max) | 50µA | 50µA | 
| DC Current Gain (hFE) (Min) @ Ic, Vce | 10 @ 3A, 4V | 15 @ 3A, 4V | 
| Power - Max | 15 W | 20 W | 
| Frequency - Transition | - | 3MHz | 
| Operating Temperature | 150°C (TJ) | -65°C ~ 150°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | TO-252-3, DPak (2 Leads + Tab), SC-63 | TO-252-3, DPak (2 Leads + Tab), SC-63 | 
| Supplier Device Package | DPAK | DPAK |