| Part Number | ZTX949 | ZTX749 |
|---|---|---|
| Manufacturer | Diodes Incorporated | Fairchild Semiconductor |
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single |
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| Product Status | Active | Obsolete |
| Transistor Type | PNP | PNP |
| Current - Collector (Ic) (Max) | 4.5 A | 2 A |
| Voltage - Collector Emitter Breakdown (Max) | 30 V | 25 V |
| Vce Saturation (Max) @ Ib, Ic | 320mV @ 300mA, 5A | 500mV @ 200mA, 2A |
| Current - Collector Cutoff (Max) | 50nA (ICBO) | 100nA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 100 @ 1A, 1V | 100 @ 1A, 2V |
| Power - Max | 1.58 W | 1 W |
| Frequency - Transition | 100MHz | 100MHz |
| Operating Temperature | -55°C ~ 200°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | E-Line-3 | TO-226-3, TO-92-3 (TO-226AA) |
| Supplier Device Package | E-Line (TO-92 compatible) | TO-226 |