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Product Detailed Parameters
- Description：MOSFET P-CH 40V 8A/22A PWRDI3333
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- FET Type：P-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：40 V
- Current - Continuous Drain (Id) @ 25°C：8A (Ta), 22A (Tc)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
- Rds On (Max) @ Id, Vgs：29mOhm @ 3A, 10V
- Vgs(th) (Max) @ Id：3V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：34 nC @ 10 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：1626 pF @ 20 V
- FET Feature：-
- Power Dissipation (Max)：1.2W (Ta)
- Operating Temperature：-55°C ~ 175°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Supplier Device Package：POWERDI3333-8
- Package / Case：8-PowerVDFN
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Overview
The DMPH4029LFG-7 is a P-channel enhancement mode MOSFET manufactured by Diodes Incorporated. It features a -40V drain-source voltage rating and operates within a junction temperature range of -55°C to +175°C. The device utilizes the PowerDI3333-8 surface-mount package. Key electrical parameters include a maximum on-resistance of 29mΩ at VGS=-10V and 45mΩ at VGS=-4.5V, with a continuous drain current of -8.0A at TA=+25°C. Total gate charge is specified as 34nC at VGS=-10V.
Feature Summary
- Rated for operation up to +175°C junction temperature
- Low on-state resistance minimizes conduction losses
- PowerDI3333-8 package occupies 33% less board area than SO-8
- Qualified to AEC-Q101 automotive reliability standards
Applications
- Backlighting circuits
- Power management functions
- DC-DC converters
Procurement Notes
Verify component authenticity through authorized distribution channels. Confirm RoHS compliance and halogen-free status against specific manufacturing batches. Ensure storage conditions adhere to J-STD-020 moisture sensitivity level 1 requirements prior to soldering. Validate that the ordering suffix matches the required tape and reel quantity specifications.
Selection Notes
Select this component for high-density designs requiring thermal efficiency in small form factors. Consider the -40V rating and low RDS(ON) characteristics for power management applications. Evaluate the +175°C operating limit for high ambient temperature environments. Compare switching performance metrics against alternative packages if board space constraints are critical.
Part Context
This part belongs to the DMPH series of P-channel MOSFETs from Diodes Incorporated. It shares the PowerDI3333-8 footprint with other devices in the family but differs in voltage and current ratings. The product summary indicates optimization for minimizing on-state resistance while maintaining superior switching performance.
Replacement Considerations
The datasheet notes an automotive-compliant variant available under a separate document (DMPH4029LFGQ). Verify pinout compatibility and thermal resistance values when substituting with similar P-channel MOSFETs in the same package type.
