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Product Detailed Parameters
- Description：MOSFET N-CH 30V 25A/40A 8DFN
- Series：-
- Mfr：Comchip Technology
- Package：Tape & Reel (TR)
- FET Type：N-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：30 V
- Current - Continuous Drain (Id) @ 25°C：25A (Ta), 40A (Tc)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
- Rds On (Max) @ Id, Vgs：4.8mOhm @ 19A, 10V
- Vgs(th) (Max) @ Id：2.2V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：12 nC @ 4.5 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：1750 pF @ 15 V
- FET Feature：-
- Power Dissipation (Max)：3.8W (Ta), 52W (Tc)
- Operating Temperature：-55°C ~ 150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Supplier Device Package：8-PDFN (SPR-PAK ) (3.3x3.3)
- Package / Case：8-PowerWDFN
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Overview
The CMS40N03V8-HF is an N-channel enhancement mode MOSFET manufactured by Comchip Technology. It features a drain-source voltage (Vdss) of 30 V and supports continuous drain currents of 25 A at ambient temperature and 40 A at case temperature. The device utilizes a PowerWDFN-8 package for surface mount applications. Key electrical characteristics include a maximum power dissipation of 3.8 W at Ta and 52 W at Tc, with an operating temperature range from -55°C to +150°C.
Feature Summary
- N-channel enhancement mode construction
- Surface mount PowerWDFN-8 packaging
- High current handling capability
Applications
- Power management circuits
- DC-DC converters
- Load switching applications
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix and revision level against official datasheets to ensure compatibility with design requirements. Check for obsolescence status as indicated in public records before finalizing procurement plans.
Selection Notes
Select this component for designs requiring low-voltage, high-current switching in compact form factors. Ensure thermal management strategies account for the specified power dissipation limits in both ambient and case conditions. Verify that the 30 V rating aligns with the system's maximum operational voltage peaks.
Part Context
Comchip Technology specializes in semiconductor components including diodes and MOSFETs. The company holds ISO9001 and TS16949 certifications, indicating adherence to quality management standards. Their product portfolio targets automotive, industrial, and consumer electronics markets.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official manufacturer resources for potential cross-references.
