STB11NK40ZT4
MOSFET N-CH 400V 9A D2PAK
Transistors Fets Mosfets Single
TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
SuperMESH™
Active
Price available on request
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | STMicroelectronics |
| Model | STB11NK40ZT4 |
| Package / Case | TO-263-3, D²Pak (2 Leads + Tab), TO-263AB |
| Mounting Type | Surface Mount |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| FET Type | N-Channel |
| Drain to Source Voltage (Vdss) | 400 V |
| Rds On (Max) | 550mOhm @ 4.5A, 10V |
| Vgs(th) (Max) | 4.5V @ 100µA |
| Gate Charge (Qg) | 32 nC @ 10 V |
| Input Capacitance (Ciss) | 930 pF @ 25 V |
| Power Dissipation (Max) | 110W (Tc) |
| Drive Voltage | 10V |
| Supplier Device Package | D2PAK |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
STB11NK40ZT4 by STMicroelectronics is an N-channel power MOSFET rated at 400 V / N/A, commonly used in DC-DC converters, motor drivers, power supplies, and battery protection circuits. The TO-263-3, D²Pak (2 Leads + Tab), TO-263AB package offers good thermal performance for SMT mounting. Key spec: Rds(on) max 550mOhm @ 4.5A, 10V. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.
📖 Technical Guides for STB11NK40ZT4
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All Technical Specifications
| FET Type | N-Channel |
| Vgs (Max) | ±30V |
| Technology | MOSFET (Metal Oxide) |
| Vgs(th) (Max) @ Id | 4.5V @ 100µA |
| Rds On (Max) @ Id, Vgs | 550mOhm @ 4.5A, 10V |
| Power Dissipation (Max) | 110W (Tc) |
| Gate Charge (Qg) (Max) @ Vgs | 32 nC @ 10 V |
| Drain to Source Voltage (Vdss) | 400 V |
| Input Capacitance (Ciss) (Max) @ Vds | 930 pF @ 25 V |
| Drive Voltage (Max Rds On, Min Rds On) | 10V |
| Current - Continuous Drain (Id) @ 25°C | 9A (Tc) |
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