| Part Number | KST4401MTF | KST5401MTF |
|---|---|---|
| Manufacturer | onsemi | onsemi |
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single |
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| Product Status | Active | Obsolete |
| Transistor Type | NPN | PNP |
| Current - Collector (Ic) (Max) | 600 mA | 500 mA |
| Voltage - Collector Emitter Breakdown (Max) | 40 V | 150 V |
| Vce Saturation (Max) @ Ib, Ic | 750mV @ 50mA, 500mA | 500mV @ 5mA, 50mA |
| Current - Collector Cutoff (Max) | 100nA | 50nA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 100 @ 150mA, 1V | 60 @ 50mA, 5V |
| Power - Max | 350 mW | 350 mW |
| Frequency - Transition | 250MHz | 300MHz |
| Operating Temperature | - | - |
| 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 |