FJT44KTF
TRANS NPN 400V 300MA SOT223-4
Transistors Bipolar Bjt Single
TO-261-4, TO-261AA
Active
$0.54 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | onsemi |
| Model | FJT44KTF |
| Package / Case | TO-261-4, TO-261AA |
| Mounting Type | Surface Mount |
| Operating Temperature | 150°C (TJ) |
| Power Dissipation (Max) | 2 W |
| Supplier Device Package | SOT-223-4 |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
FJT44KTF by onsemi is an N-channel power MOSFET rated at N/A / N/A, commonly used in DC-DC converters, motor drivers, power supplies, and battery protection circuits. The TO-261-4, TO-261AA package offers good thermal performance for SMT mounting. Key spec: Rds(on) max N/A. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.
📖 Technical Guides for FJT44KTF
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All Technical Specifications
| Power - Max | 2 W |
| Transistor Type | NPN |
| Vce Saturation (Max) @ Ib, Ic | 750mV @ 5mA, 50mA |
| Current - Collector (Ic) (Max) | 300 mA |
| Current - Collector Cutoff (Max) | 500nA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 50 @ 10mA, 10V |
| Voltage - Collector Emitter Breakdown (Max) | 400 V |
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