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The DMP1555UFA-7B is a single P-channel enhancement mode MOSFET manufactured by Diodes Incorporated. It features a maximum drain-source voltage (VDS) of -12 V and a continuous drain current (ID) of -0.2 A at +25°C. The device offers a maximum on-resistance (RDS(on)) of 0.8 Ω at VGS = -4.5 V, with higher resistance values at lower gate voltages. Total gate charge (Qg) is 0.84 nC, and input capacitance (Ciss) is 55.4 pF. It operates within a junction temperature range of -55°C to +150°C and dissipates up to 0.36 W.
Verify component authenticity through authorized distribution channels. Confirm RoHS compliance status and check for specific halogen-free certifications required by your manufacturing standards. Ensure the ordering suffix matches the tape and reel packaging specifications provided in the official datasheet.
Select this component for circuits requiring low-profile surface-mount integration. Evaluate thermal management requirements against the specified power dissipation limits. Verify that the driving circuit provides sufficient gate voltage to achieve the desired on-resistance levels for optimal efficiency.
This part belongs to the DMP1555 series from Diodes Incorporated. It utilizes an X2-DFN0806-3 case configuration. The product is designed to minimize on-state resistance while maintaining high switching efficiency for power management tasks.
No officially confirmed substitute part numbers are documented in the source material.