| Part Number | KSD1943TU | KSD1944TU |
|---|---|---|
| Manufacturer | onsemi | onsemi |
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single |
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| Product Status | Obsolete | Obsolete |
| Transistor Type | NPN | NPN |
| Current - Collector (Ic) (Max) | 3 A | 3 A |
| Voltage - Collector Emitter Breakdown (Max) | 60 V | 60 V |
| Vce Saturation (Max) @ Ib, Ic | 1V @ 50mA, 2A | 1V @ 50mA, 2A |
| Current - Collector Cutoff (Max) | 100µA (ICBO) | 100µA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 400 @ 500mA, 4V | 400 @ 500mA, 4V |
| Power - Max | 40 W | 30 W |
| Frequency - Transition | - | - |
| Operating Temperature | 150°C (TJ) | 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | TO-220-3 | TO-220-3 Full Pack |
| Supplier Device Package | TO-220-3 | TO-220F-3 |