FDMT80040DC
MOSFET N-CH 40V 420A 8PQFN
Transistors Fets Mosfets Single
8-PowerVDFN
Active
$11.91 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | onsemi |
| Model | FDMT80040DC |
| Package / Case | 8-PowerVDFN |
| Mounting Type | Surface Mount |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| FET Type | N-Channel |
| Drain to Source Voltage (Vdss) | 40 V |
| Rds On (Max) | 0.56mOhm @ 64A, 10V |
| Vgs(th) (Max) | 4V @ 250µA |
| Gate Charge (Qg) | 338 nC @ 10 V |
| Input Capacitance (Ciss) | 26110 pF @ 20 V |
| Power Dissipation (Max) | 156W (Tc) |
| Drive Voltage | 6V, 10V |
| Supplier Device Package | 8-Dual Cool™88 |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
FDMT80040DC by onsemi is an N-channel power MOSFET rated at 40 V / N/A, commonly used in DC-DC converters, motor drivers, power supplies, and battery protection circuits. The 8-PowerVDFN package offers good thermal performance for SMT mounting. Key spec: Rds(on) max 0.56mOhm @ 64A, 10V. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.
📖 Technical Guides for FDMT80040DC
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All Technical Specifications
| FET Type | N-Channel |
| Vgs (Max) | ±20V |
| Technology | MOSFET (Metal Oxide) |
| Vgs(th) (Max) @ Id | 4V @ 250µA |
| Rds On (Max) @ Id, Vgs | 0.56mOhm @ 64A, 10V |
| Power Dissipation (Max) | 156W (Tc) |
| Gate Charge (Qg) (Max) @ Vgs | 338 nC @ 10 V |
| Drain to Source Voltage (Vdss) | 40 V |
| Input Capacitance (Ciss) (Max) @ Vds | 26110 pF @ 20 V |
| Drive Voltage (Max Rds On, Min Rds On) | 6V, 10V |
| Current - Continuous Drain (Id) @ 25°C | 420A (Tc) |
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