BUK663R2-40C,118
NEXPERIA BUK663R2-40C - 100A, 40
Transistors Fets Mosfets Single
TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
Automotive, AEC-Q101, TrenchMOS™
Active
Price available on request
MOQ: 724 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | BUK663R2-40C,118 |
| Package / Case | TO-263-3, D²Pak (2 Leads + Tab), TO-263AB |
| 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) | 3.2mOhm @ 25A, 10V |
| Vgs(th) (Max) | 2.8V @ 1mA |
| Gate Charge (Qg) | 125 nC @ 10 V |
| Input Capacitance (Ciss) | 8020 pF @ 25 V |
| Power Dissipation (Max) | 204W (Tc) |
| Drive Voltage | 10V |
| Supplier Device Package | D2PAK |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
BUK663R2-40C,118 by Rochester Electronics, LLC 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 TO-263-3, D²Pak (2 Leads + Tab), TO-263AB package offers good thermal performance for SMT mounting. Key spec: Rds(on) max 3.2mOhm @ 25A, 10V. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.
📖 Technical Guides for BUK663R2-40C,118
Alternatives & Replacements
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MOSFET N-CH 30V 80A TO263-3
All Technical Specifications
| FET Type | N-Channel |
| Vgs (Max) | ±16V |
| Technology | MOSFET (Metal Oxide) |
| Vgs(th) (Max) @ Id | 2.8V @ 1mA |
| Rds On (Max) @ Id, Vgs | 3.2mOhm @ 25A, 10V |
| Power Dissipation (Max) | 204W (Tc) |
| Gate Charge (Qg) (Max) @ Vgs | 125 nC @ 10 V |
| Drain to Source Voltage (Vdss) | 40 V |
| Input Capacitance (Ciss) (Max) @ Vds | 8020 pF @ 25 V |
| Drive Voltage (Max Rds On, Min Rds On) | 10V |
| Current - Continuous Drain (Id) @ 25°C | 100A (Tc) |
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