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| Part Number | ZTX749 | ZTX949 | ZTX749A | ZTX849 | ZTX649 |
|---|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Diodes Incorporated | Fairchild Semiconductor | Diodes Incorporated | Diodes Incorporated |
| Product Status | Obsolete | Active | Obsolete | Active | Active |
| Transistor Type | PNP | PNP | PNP | NPN | NPN |
| Current - Collector (Ic) (Max) | 2 A | 4.5 A | 2 A | 5 A | 2 A |
| Voltage - Collector Emitter Breakdown (Max) | 25 V | 30 V | 35 V | 30 V | 25 V |
| Vce Saturation (Max) @ Ib, Ic | 500mV @ 200mA, 2A | 320mV @ 300mA, 5A | 500mV @ 200mA, 2A | 220mV @ 200mA, 5A | 500mV @ 200mA, 2A |
| Current - Collector Cutoff (Max) | 100nA (ICBO) | 50nA (ICBO) | 100nA (ICBO) | 50nA (ICBO) | 100nA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 100 @ 1A, 2V | 100 @ 1A, 1V | 100 @ 1A, 2V | 100 @ 1A, 1V | 100 @ 1A, 2V |
| Power - Max | 1 W | 1.58 W | 1 W | 1.2 W | 1 W |
| Frequency - Transition | 100MHz | 100MHz | 100MHz | 100MHz | 240MHz |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 200°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 200°C (TJ) | -55°C ~ 200°C (TJ) |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) | E-Line-3 | TO-226-3, TO-92-3 (TO-226AA) | E-Line-3 | E-Line-3 |
| Supplier Device Package | TO-226 | E-Line (TO-92 compatible) | TO-226 | E-Line (TO-92 compatible) | E-Line (TO-92 compatible) |
