| Part Number | KSC2258ASTU | KSC2258STU |
|---|---|---|
| Manufacturer | Fairchild Semiconductor | 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) | 100 mA | 100 mA |
| Voltage - Collector Emitter Breakdown (Max) | 300 V | 250 V |
| Vce Saturation (Max) @ Ib, Ic | 1.2V @ 5mA, 50mA | 1.2V @ 5mA, 50mA |
| Current - Collector Cutoff (Max) | - | - |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 40 @ 40mA, 20V | 40 @ 40mA, 20V |
| Power - Max | 4 W | 4 W |
| Frequency - Transition | 100MHz | 100MHz |
| Operating Temperature | 150°C (TJ) | 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | TO-225AA, TO-126-3 | TO-225AA, TO-126-3 |
| Supplier Device Package | TO-126-3 | TO-126-3 |