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The SI1972DH-T1-E3 is a dual P-Channel MOSFET from the Vishay Siliconix SI1 series, utilizing TrenchFET technology. It features a -20V drain-source voltage and a continuous drain current of 4.5A. The device offers a low on-resistance of 28mΩ at Vgs=-4.5V. Packaged in an SC-70-6 (SOT-363) surface-mount case, it supports operation between -55°C and +150°C junction temperature with a power dissipation of 1.25W.
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for obsolescence notices. Ensure storage conditions meet semiconductor handling standards to prevent moisture sensitivity issues prior to soldering.
Evaluate thermal resistance characteristics against PCB copper area constraints. Compare gate charge requirements with available driver capabilities. Verify that the -20V rating exceeds maximum circuit voltages including transient spikes. Consider the SC-70-6 footprint compatibility during layout design.
This component belongs to the Vishay SI1 series of small-signal MOSFETs. It shares the SC-70-6 package form factor with other parts in the family but differs in electrical ratings. The part number suffix indicates tape and reel packaging with lead-free termination.
Check for SI1972DH-E3 as a potential non-reel variant. Verify pinout compatibility before substituting with other dual P-Channel MOSFETs in similar packages.