| Part Number | KSP42BU | KSP45BU |
|---|---|---|
| Manufacturer | onsemi | Fairchild Semiconductor |
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single |
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| Product Status | Active | Obsolete |
| Transistor Type | NPN | NPN |
| Current - Collector (Ic) (Max) | 500 mA | 300 mA |
| Voltage - Collector Emitter Breakdown (Max) | 300 V | 350 V |
| Vce Saturation (Max) @ Ib, Ic | 500mV @ 2mA, 20mA | 750mV @ 5mA, 50mA |
| Current - Collector Cutoff (Max) | 100nA (ICBO) | 500nA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 40 @ 30mA, 10V | 50 @ 10mA, 10V |
| Power - Max | 625 mW | 625 mW |
| Frequency - Transition | 50MHz | - |
| Operating Temperature | 150°C (TJ) | 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) | TO-226-3, TO-92-3 (TO-226AA) Formed Leads |
| Supplier Device Package | TO-92-3 | TO-92-3 |