AOB442

Description：MOSFET N-CH 40V 21A/105A TO263
Series：SDMOS™
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR)

SKU:daef38fcf716 Category: Single FETs, MOSFETs Brand: Alpha & Omega Semiconductor Inc.

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Product introduction

Product Detailed Parameters

Description：MOSFET N-CH 40V 21A/105A TO263
Series：SDMOS™
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR)
FET Type：N-Channel
Technology：MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)：40 V
Current - Continuous Drain (Id) @ 25°C：21A (Ta), 105A (Tc)
Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
Rds On (Max) @ Id, Vgs：4.2mOhm @ 20A, 10V
Vgs(th) (Max) @ Id：2.3V @ 250µA
Gate Charge (Qg) (Max) @ Vgs：90 nC @ 10 V
Vgs (Max)：±20V
Input Capacitance (Ciss) (Max) @ Vds：5600 pF @ 20 V
FET Feature：-
Power Dissipation (Max)：3.5W (Ta), 150W (Tc)
Operating Temperature：-55°C ~ 175°C (TJ)
Grade：-
Qualification：-
Mounting Type：Surface Mount
Supplier Device Package：TO-263 (D2PAK)
Package / Case：TO-263-3, D2PAK (2 Leads + Tab), TO-263AB

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AOB442

Overview

The AOB442 is a 40V N-Channel MOSFET manufactured by Alpha & Omega Semiconductor Inc. It utilizes advanced trench technology to achieve low on-resistance and gate charge, making it suitable for load switch and PWM applications. The device is housed in a TO-263 package with a maximum continuous drain current of 21A and a peak pulsed current of 105A. It operates within a junction temperature range of -55°C to 150°C.

Feature Summary

Advanced trench technology for excellent RDS(ON) and low gate charge
Suitable for use as a load switch or in PWM applications

Applications

Load switching circuits
Pulse Width Modulation (PWM) applications

Procurement Notes

Verify the specific datasheet version and manufacturer documentation to confirm electrical characteristics and pinout compatibility before integration. Ensure that the TO-263 package thermal management requirements are met in the final design. Confirm RoHS compliance status through official manufacturer channels.

Selection Notes

Select this component for applications requiring a 40V N-Channel MOSFET with high current handling capabilities in a surface-mount package. Consider the trade-off between on-resistance and gate charge for efficiency optimization in switching circuits.

Part Context

The AOB442 belongs to the single FETs family from Alpha & Omega Semiconductor Inc. It is an N-Channel Enhancement Mode Field Effect Transistor designed for general-purpose switching applications. The product lifecycle status should be verified as some sources indicate it may be obsolete.