AOTF4185

$0.43

Description：MOSFET P-CH 40V 34A TO220FL
Series：-
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tube

SKU:ba13cf526302 Category: Single FETs, MOSFETs Brand: Alpha & Omega Semiconductor Inc.

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Product introduction

AOTF4185 is listed in the Single FETs, MOSFETs range at ChipApex. The manufacturer field lists Alpha & Omega Semiconductor Inc.. Its product description is MOSFET P-CH 40V 34A TO220FL. Review the specifications below when checking this part for your BOM.

Single FETs, MOSFETs specifications for AOTF4185

Description：MOSFET P-CH 40V 34A TO220FL
Series：-
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tube
FET Type：P-Channel
Technology：MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)：40 V
Current - Continuous Drain (Id) @ 25°C：34A (Tc)
Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
Rds On (Max) @ Id, Vgs：16mOhm @ 20A, 10V
Vgs(th) (Max) @ Id：2.5V @ 250µA
Gate Charge (Qg) (Max) @ Vgs：55 nC @ 10 V
Vgs (Max)：±20V
Input Capacitance (Ciss) (Max) @ Vds：2550 pF @ 20 V
FET Feature：-
Power Dissipation (Max)：33W (Tc)
Operating Temperature：-55°C ~ 175°C (TJ)
Grade：-
Qualification：-
Mounting Type：Through Hole
Supplier Device Package：TO-220FL
Package / Case：TO-220-3 Full Pack

Single FETs, MOSFETs datasheet and documents for AOTF4185

AOTF4185

Single FETs, MOSFETs Overview

The AOTF4185 is a 40V P-Channel MOSFET manufactured by Alpha & Omega Semiconductor Inc. It features a maximum continuous drain current of -34A at TC=25°C and a pulsed drain current of -100A. The device exhibits an on-state resistance (RDS(ON)) of less than 16mΩ at VGS=-10V and less than 20mΩ at VGS=-4.5V. Key electrical parameters include a gate threshold voltage ranging from -1.7V to -2.5V, a total gate charge of 55nC at 10V, and an input capacitance of 2550pF. The component supports a junction temperature range of -55°C to 175°C and utilizes a TO-220F package.

Single FETs, MOSFETs Feature Summary

Advanced trench MOSFET technology combined with low resistance packaging for extremely low RDS(ON).
Validated reliability through 100% Unclamped Inductive Switching (UIS) testing.
Verified gate resistance via 100% Rg testing during manufacturing.

Single FETs, MOSFETs Applications

Load switch circuits
Battery protection systems

Single FETs, MOSFETs Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm exact package variations or tape-and-reel specifications. Ensure that the procurement channel provides traceability to Alpha & Omega Semiconductor Inc. to guarantee authenticity. Cross-reference the part number with the latest datasheet revision to confirm compliance with current RoHS standards and material declarations before finalizing orders.

Single FETs, MOSFETs Selection Notes

Select this component for applications requiring low-voltage P-channel switching with high current handling capabilities. The TO-220F package facilitates effective thermal management for power dissipation up to 50W under specific conditions. Consider the gate drive voltage requirements, as RDS(ON) varies between 16mΩ and 20mΩ depending on whether VGS is -10V or -4.5V. Evaluate the thermal impedance characteristics to ensure adequate heatsinking for continuous operation within the specified temperature limits.

Single FETs, MOSFETs Part Context

The AOTF4185 belongs to the P-Channel MOSFET category within Alpha & Omega Semiconductor's portfolio. It is designed using advanced trench technology to optimize performance in low-voltage environments. The device is distinct from N-channel variants and higher voltage series, specifically targeting load switching and battery protection roles where low on-resistance and robust avalanche capability are critical design factors.

Single FETs, MOSFETs Replacement Considerations

Direct substitutes must match the 40V rating, P-channel configuration, and TO-220F package. Verify pinout compatibility and thermal resistance values. No specific alternative part numbers are confirmed in the provided source material.