STFN42
TRANS NPN 400V 1A SOT89-3Manufacturer: STMicroelectronics
Categories: Single Bipolar Transistors
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STMicroelectronics STFN42 is a high-voltage NPN bipolar junction transistor designed for power switching applications. This component features a maximum collector-emitter breakdown voltage of 400V and a continuous collector current capability of 1A. The STFN42 is housed in a compact SOT-89-3 surface-mount package, offering a power dissipation of up to 1.4W. Key electrical characteristics include a saturation voltage (Vce(sat)) of 1.5V at 250mA collector current and 750mA base current, and a minimum DC current gain (hFE) of 10 at 400mA collector current and 5V collector-emitter voltage. The operating junction temperature range extends to 150°C. This transistor is suitable for use in various industrial and consumer electronics applications requiring robust voltage handling and efficient power switching.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Datasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| Package / Case | TO-243AA |
| Mounting Type | Surface Mount |
| Transistor Type | NPN |
| Operating Temperature | 150°C (TJ) |
| Vce Saturation (Max) @ Ib, Ic | 1.5V @ 250mA, 750mA |
| Current - Collector Cutoff (Max) | 100µA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 10 @ 400mA, 5V |
| Frequency - Transition | - |
| Supplier Device Package | SOT-89-3 |
| Current - Collector (Ic) (Max) | 1 A |
| Voltage - Collector Emitter Breakdown (Max) | 400 V |
| Power - Max | 1.4 W |
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