onsemi8-PowerSFNRoHS
FDBL9403-F085T6
MOSFET N-CH 40V 50A/300A 8HPSOF
Category
Subcategory
Transistors Fets Mosfets Single
Package
8-PowerSFN
Series
Automotive, AEC-Q101
Status
Active
Datasheet
$3.53 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
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Parameters
| Parameter | Value |
|---|---|
| Brand | onsemi |
| Model | FDBL9403-F085T6 |
| Package / Case | 8-PowerSFN |
| Mounting Type | Surface Mount |
| Operating Temperature | -55°C ~ 175°C (TJ) |
| FET Type | N-Channel |
| Drain to Source Voltage (Vdss) | 40 V |
| Rds On (Max) | 0.95mOhm @ 50A, 10V |
| Vgs(th) (Max) | 4V @ 250µA |
| Gate Charge (Qg) | 108 nC @ 10 V |
| Input Capacitance (Ciss) | 6985 pF @ 25 V |
| Power Dissipation (Max) | 4.3W (Ta), 159.6W (Tc) |
| Supplier Device Package | 8-HPSOF |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
FDBL9403-F085T6 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-PowerSFN package offers good thermal performance for SMT mounting. Key spec: Rds(on) max 0.95mOhm @ 50A, 10V. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.
📖 Technical Guides for FDBL9403-F085T6
Alternatives & Replacements
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Toshiba Semiconductor and StorageStock8-PowerSFN
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Infineon TechnologiesStock8-PowerSFN
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All Technical Specifications
| FET Type | N-Channel |
| Vgs (Max) | +20V, -16V |
| Technology | MOSFET (Metal Oxide) |
| Vgs(th) (Max) @ Id | 4V @ 250µA |
| Rds On (Max) @ Id, Vgs | 0.95mOhm @ 50A, 10V |
| Power Dissipation (Max) | 4.3W (Ta), 159.6W (Tc) |
| Gate Charge (Qg) (Max) @ Vgs | 108 nC @ 10 V |
| Drain to Source Voltage (Vdss) | 40 V |
| Input Capacitance (Ciss) (Max) @ Vds | 6985 pF @ 25 V |
| Current - Continuous Drain (Id) @ 25°C | 50A (Ta), 300A (Tc) |
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