MMBF4391LT1G
JFET N-CH 30V 0.225W SOT23-3
Transistors Jfets
TO-236-3, SC-59, SOT-23-3
Active
$0.40 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | onsemi |
| Model | MMBF4391LT1G |
| Package / Case | TO-236-3, SC-59, SOT-23-3 |
| Mounting Type | Surface Mount |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| FET Type | N-Channel |
| Drain to Source Voltage (Vdss) | 30 V |
| Input Capacitance (Ciss) | 14pF @ 15V |
| Power Dissipation (Max) | 225 mW |
| Supplier Device Package | SOT-23-3 (TO-236) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
MMBF4391LT1G by onsemi is an N-channel power MOSFET rated at 30 V / N/A, commonly used in DC-DC converters, motor drivers, power supplies, and battery protection circuits. The TO-236-3, SC-59, SOT-23-3 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 MMBF4391LT1G
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N-CH JFET SWITCHES
SMMBF4391LT1G
JFET N-CH 30V 0.225W SOT23
All Technical Specifications
| FET Type | N-Channel |
| Power - Max | 225 mW |
| Resistance - RDS(On) | 30 Ohms |
| Drain to Source Voltage (Vdss) | 30 V |
| Voltage - Breakdown (V(BR)GSS) | 30 V |
| Voltage - Cutoff (VGS off) @ Id | 4 V @ 10 nA |
| Current - Drain (Idss) @ Vds (Vgs=0) | 50 mA @ 15 V |
| Input Capacitance (Ciss) (Max) @ Vds | 14pF @ 15V |
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