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| Part Number | KSP45BU | KSP75BU | KSP05BU | KSP25BU | KSP42BU | KSP43BU | KSP44BU |
|---|---|---|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Active | Active | Active |
| Transistor Type | NPN | PNP - Darlington | NPN | NPN - Darlington | NPN | NPN | NPN |
| Current - Collector (Ic) (Max) | 300 mA | 500 mA | 500 mA | 500 mA | 500 mA | 500 mA | 300 mA |
| Voltage - Collector Emitter Breakdown (Max) | 350 V | 40 V | 60 V | 40 V | 300 V | 200 V | 400 V |
| Vce Saturation (Max) @ Ib, Ic | 750mV @ 5mA, 50mA | 1.5V @ 100µA, 100mA | 250mV @ 10mA, 100mA | 1.5V @ 100µA, 100mA | 500mV @ 2mA, 20mA | 500mV @ 2mA, 20mA | 750mV @ 5mA, 50mA |
| Current - Collector Cutoff (Max) | 500nA | 500nA | 100nA | 100nA (ICBO) | 100nA (ICBO) | 100nA (ICBO) | 500nA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 50 @ 10mA, 10V | 10000 @ 100mA, 5V | 50 @ 100mA, 1V | 10000 @ 100mA, 5V | 40 @ 30mA, 10V | 40 @ 30mA, 10V | 50 @ 10mA, 10V |
| Power - Max | 625 mW | 625 mW | 625 mW | 625 mW | 625 mW | 625 mW | 625 mW |
| Frequency - Transition | - | - | 100MHz | - | 50MHz | 50MHz | - |
| Operating Temperature | 150°C (TJ) | 150°C (TJ) | 150°C (TJ) | 150°C (TJ) | 150°C (TJ) | 150°C (TJ) | 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) Formed Leads | 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) | 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 | TO-92-3 | TO-92-3 | TO-92-3 |
