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The SQ4937EY-T1_BE3 is an automotive-grade dual P-channel MOSFET from Vishay Siliconix, utilizing TrenchFET technology. It features a -30 V drain-source voltage and supports continuous drain currents of -5 A per leg. The device offers low on-state resistance, typically 0.075 Ω at VGS = -10 V and 0.145 Ω at VGS = -4.5 V. Qualified under AEC-Q101 standards, it operates within a junction temperature range of -55 °C to +175 °C. Packaged in an SO-8 surface-mount format, the component includes integrated body diodes with a pulsed current rating of -20 A.
Verify the specific ordering suffix against official documentation before procurement. The BE3 suffix indicates lead-free and halogen-free compliance. Confirm that the required package variant matches the design specifications, as manufacturing locations may vary while maintaining parametric consistency.
Select this component for designs requiring dual isolated channels in a small footprint. Ensure the gate drive voltage meets the threshold requirements for the desired on-resistance level. Evaluate thermal management strategies based on the specified junction-to-ambient resistance values for the target PCB layout.
This part belongs to the SQ4937EY family of automotive dual P-channel MOSFETs. The SQ4937EY-T1_GE3 represents the standard commercial version of this component. Both variants share identical electrical characteristics and packaging, differing primarily in their specific ordering suffixes and associated compliance markings.
The SQ4937EY-T1_GE3 serves as a direct functional equivalent. Verify pinout compatibility and ensure the replacement meets the same AEC-Q101 qualification standards if automotive reliability is required.