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| Part Number | KST43MTF | KST63MTF | KST93MTF | KST13MTF | KST42MTF | 
|---|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | onsemi | Fairchild Semiconductor | Fairchild Semiconductor | 
| Product Status | Active | Obsolete | Obsolete | Active | Active | 
| Transistor Type | NPN | PNP - Darlington | PNP | NPN - Darlington | NPN | 
| Current - Collector (Ic) (Max) | 500 mA | 500 mA | 500 mA | 300 mA | 500 mA | 
| Voltage - Collector Emitter Breakdown (Max) | 200 V | 30 V | 200 V | 30 V | 300 V | 
| Vce Saturation (Max) @ Ib, Ic | 500mV @ 2mA, 20mA | 1.5V @ 100µA, 100mA | 500mV @ 2mA, 20mA | 1.5V @ 100µA, 100mA | 500mV @ 2mA, 20mA | 
| Current - Collector Cutoff (Max) | 100nA (ICBO) | 100nA (ICBO) | 250nA (ICBO) | 100nA (ICBO) | 100nA (ICBO) | 
| DC Current Gain (hFE) (Min) @ Ic, Vce | 40 @ 30mA, 10V | 10000 @ 100mA, 5V | 25 @ 30mA, 10V | 10000 @ 100mA, 5V | 40 @ 30mA, 10V | 
| Power - Max | 350 mW | 350 mW | 250 mW | 350 mW | 350 mW | 
| Frequency - Transition | 50MHz | 125MHz | 50MHz | 125MHz | 50MHz | 
| Operating Temperature | -55°C ~ 150°C (TJ) | - | -55°C ~ 150°C (TJ) | - | -55°C ~ 150°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | 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 | SOT-23-3 | SOT-23-3 | SOT-23-3 |