AOI4185

$0.24

Description：MOSFET P-CH 40V 40A TO251A
Series：-
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tube

SKU:02781e9a5ab9 Category: Single FETs, MOSFETs Brand: Alpha & Omega Semiconductor Inc.

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

AOI4185 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 40A TO251A. Review the specifications below when checking this part for your BOM.

Single FETs, MOSFETs specifications for AOI4185

Description：MOSFET P-CH 40V 40A TO251A
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：40A (Tc)
Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
Rds On (Max) @ Id, Vgs：15mOhm @ 20A, 10V
Vgs(th) (Max) @ Id：3V @ 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)：2.5W (Ta), 62.5W (Tc)
Operating Temperature：-55°C ~ 175°C (TJ)
Grade：-
Qualification：-
Mounting Type：Through Hole
Supplier Device Package：TO-251A
Package / Case：TO-251-3 Stub Leads, IPAK

Single FETs, MOSFETs datasheet and documents for AOI4185

AOI4185

Single FETs, MOSFETs Overview

The AOI4185 is a P-Channel MOSFET manufactured by Alpha & Omega Semiconductor Inc. It features a Drain-Source Voltage (VDS) of -40V and a continuous Drain Current (ID) of -40A at TC=25°C. The device exhibits a maximum On-Resistance (RDS(ON)) of 15mΩ at VGS=-10V and 20mΩ at VGS=-4.5V. Total Gate Charge (Qg) is 55nC at VGS=-10V. Thermal resistance from Junction-to-Case (RθJC) is 2.4°C/W, with a maximum Junction Temperature range of -55°C to 175°C.

Single FETs, MOSFETs Feature Summary

Advanced trench technology providing low on-resistance and gate charge
Suitable for high current applications due to excellent thermal resistance
100% Unclamped Inductive Switching (UIS) tested

Single FETs, MOSFETs Applications

High current power management circuits
Power switching applications requiring robust thermal performance

Single FETs, MOSFETs Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct package type and electrical tolerances. Confirm RoHS compliance status and environmental declarations via the latest datasheet revision. Cross-reference part numbers carefully as AOD4185 and AOI4185 share identical specifications but may differ in packaging or regional distribution channels.

Single FETs, MOSFETs Selection Notes

Select this component for designs requiring a -40V P-Channel MOSFET capable of handling -40A continuous current. Ensure the gate drive voltage supports the specified RDS(ON) thresholds of -4.5V or -10V. Evaluate thermal management requirements based on the 2.4°C/W junction-to-case resistance and derating curves provided in the datasheet for steady-state and pulsed operations.

Single FETs, MOSFETs Part Context

The AOI4185 belongs to the AOD/AOI4185 family from Alpha & Omega Semiconductor. It utilizes advanced trench technology to optimize conduction losses and switching speeds. The device is housed in a TO-252 (DPAK) or TO-251A (IPAK) package, designed for surface mount applications where high current density and thermal efficiency are critical.