| Part Number | KST42MTF | KST43MTF |
|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor |
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single |
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| Product Status | Active | Active |
| Transistor Type | NPN | NPN |
| Current - Collector (Ic) (Max) | 500 mA | 500 mA |
| Voltage - Collector Emitter Breakdown (Max) | 300 V | 200 V |
| Vce Saturation (Max) @ Ib, Ic | 500mV @ 2mA, 20mA | 500mV @ 2mA, 20mA |
| Current - Collector Cutoff (Max) | 100nA (ICBO) | 100nA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 40 @ 30mA, 10V | 40 @ 30mA, 10V |
| Power - Max | 350 mW | 350 mW |
| Frequency - Transition | 50MHz | 50MHz |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package | SOT-23-3 | SOT-23-3 |