| Part Number | ZTX857STOA | ZTX957STOA |
|---|---|---|
| Manufacturer | Diodes Incorporated | Diodes Incorporated |
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single |
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| Product Status | Obsolete | Obsolete |
| Transistor Type | NPN | PNP |
| Current - Collector (Ic) (Max) | 3 A | 1 A |
| Voltage - Collector Emitter Breakdown (Max) | 300 V | 300 V |
| Vce Saturation (Max) @ Ib, Ic | 250mV @ 600mA, 3A | 200mV @ 300mA, 1A |
| Current - Collector Cutoff (Max) | 50nA (ICBO) | 50nA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 100 @ 500mA, 10V | 100 @ 500mA, 10V |
| Power - Max | 1.2 W | 1.2 W |
| Frequency - Transition | 80MHz | 85MHz |
| Operating Temperature | -55°C ~ 200°C (TJ) | -55°C ~ 200°C (TJ) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | E-Line-3 | E-Line-3, Formed Leads |
| Supplier Device Package | E-Line (TO-92 compatible) | E-Line (TO-92 compatible) |