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| Part Number | KSA1242YTU | KSA1243YTU | KSA1244YTU | KSA1241YTU | KSA1242OTU |
|---|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | onsemi | onsemi | onsemi | Fairchild Semiconductor |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Transistor Type | PNP | PNP | PNP | PNP | PNP |
| Current - Collector (Ic) (Max) | 5 A | 3 A | 5 A | 2 A | 5 A |
| Voltage - Collector Emitter Breakdown (Max) | 20 V | 30 V | 50 V | 50 V | 20 V |
| Vce Saturation (Max) @ Ib, Ic | 1V @ 100mA, 4A | 800mV @ 200mA, 2A | 500mV @ 150mA, 3A | 500mV @ 50mA, 1A | 1V @ 100mA, 4A |
| Current - Collector Cutoff (Max) | 100µA (ICBO) | 1µA (ICBO) | 1µA (ICBO) | 1µA (ICBO) | 100µA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 160 @ 500mA, 2V | 120 @ 500mA, 2V | 120 @ 1A, 1V | 120 @ 500mA, 2V | 100 @ 500mA, 2V |
| Power - Max | 10 W | 1 W | 1 W | 1 W | 10 W |
| Frequency - Transition | 180MHz | 100MHz | 60MHz | 100MHz | 180MHz |
| Operating Temperature | 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 |
| Package / Case | TO-251-3 Short Leads, IPak, TO-251AA | TO-251-3 Short Leads, IPak, TO-251AA | TO-251-3 Short Leads, IPak, TO-251AA | TO-251-3 Short Leads, IPak, TO-251AA | TO-251-3 Short Leads, IPak, TO-251AA |
| Supplier Device Package | I-PAK | I-PAK | I-PAK | I-PAK | I-PAK |
