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| Part Number | KSC1674OBU | KSC1674YBU | KSC1674RBU | KSC1674COBU |
|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | onsemi | Fairchild Semiconductor |
| Product Status | Obsolete | Active | Obsolete | Obsolete |
| Transistor Type | NPN | NPN | NPN | NPN |
| Voltage - Collector Emitter Breakdown (Max) | 20V | 20V | 20V | 20V |
| Frequency - Transition | 600MHz | 600MHz | 600MHz | 600MHz |
| Noise Figure (dB Typ @ f) | 3dB ~ 5dB @ 100MHz | 3dB ~ 5dB @ 100MHz | 3dB ~ 5dB @ 100MHz | 3dB ~ 5dB @ 100MHz |
| Gain | - | - | - | - |
| Power - Max | 250mW | 250mW | 250mW | 250mW |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 70 @ 1mA, 6V | 120 @ 1mA, 6V | 40 @ 1mA, 6V | 70 @ 1mA, 6V |
| Current - Collector (Ic) (Max) | 20mA | 20mA | 20mA | 20mA |
| Operating Temperature | 150°C (TJ) | 150°C (TJ) | 150°C (TJ) | 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) | TO-226-3, TO-92-3 (TO-226AA) | TO-226-3, TO-92-3 (TO-226AA) | TO-226-3, TO-92-3 (TO-226AA) |
| Supplier Device Package | TO-92-3 | TO-92-3 | TO-92-3 | TO-92-3 |
