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FDMS3660S-F121 is listed in the FET, MOSFET Arrays range at ChipApex. The manufacturer field lists onsemi. Its product description is MOSFET 2N-CH 30V 13A/30A POWER56. Review the specifications below when checking this part for your BOM.
The FDMS3660S-F121 is a dual N-channel PowerTrench MOSFET from onsemi, housed in an 8-lead Power-56-8 (PQFN) surface-mount package. It features asymmetric channel configurations with a drain-source breakdown voltage of 30 V. The device supports continuous drain currents of 13 A and 30 A for its respective channels, with corresponding on-resistances of 8 mΩ and 1.8 mΩ. Gate-source voltage limits range from -20 V to +20 V, with a threshold voltage of 1.1 V. Total gate charge values are specified as 29 nC and 87 nC. The component operates within a temperature range of -55 °C to +150 °C and dissipates up to 2.5 W.
Verify the specific suffix F121 against official manufacturer documentation to confirm tape-and-reel specifications and marking codes. Ensure compatibility with PCB footprint dimensions for the Power-56-8 package during procurement planning.
Select this component for designs requiring a compact dual-NMOS solution with low Rds(on). Compare the asymmetric current ratings against load requirements to ensure adequate thermal headroom. Verify that the 30 V rating exceeds the maximum circuit voltage including transients.
This part belongs to the FDMS3660 series of asymmetric dual MOSFETs. It shares the same core die and electrical characteristics as the FDMS3660S, differing primarily in packaging or reel configuration indicated by the suffix. It is distinct from single-channel variants like the FDMS3662.
Direct substitutes include the FDMS3660S. Verify pinout and thermal pad connectivity when replacing with other 30V dual N-channel PQFN devices.
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