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AOB442

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AOB442

AOB442

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

SKU:daef38fcf716 Category: Brand:

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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

How to buy
Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.
Payment Method
Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.
Delivery time
In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.
Freight calculation
Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.
Mode of Transportation
We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.
Return and Refund
Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.

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Buying Guide
Summary

Alpha & Omega Semiconductor Inc. AOB442 is an electronic component in Single FETs, MOSFETs category. Key specs: description: MOSFET N-CH 40V 21A/105A TO263; series: SDMOS™; packaging: Tape & Reel (TR); temperature: -55°C ~ 175°C (TJ); package/case: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB; mounting: Surface Mount.

Selection Notes
  • For AOB442, confirm package/case TO-263-3, D2PAK (2 Leads + Tab), TO-263AB, mounting Surface Mount to ensure footprint compatibility.
  • For AOB442, validate the operating temperature range (-55°C ~ 175°C (TJ)) against your environment.
  • For AOB442, for replacements, match pinout/footprint first, then verify min/max ratings and timing margins (temperature -55°C ~ 175°C (TJ); series SDMOS™).
FAQ

What information do you need to quote AOB442?
Send the part number (AOB442), quantity, target delivery date, and any required packaging or documentation.

Who is the manufacturer/brand for AOB442?
Alpha & Omega Semiconductor Inc.

What is the mounting type of AOB442?
Surface Mount

What is the supply current of AOB442?
21A (Ta), 105A (Tc)

Application Scenarios
In the Single FETs, MOSFETs category, Alpha & Omega Semiconductor Inc. AOB442 is often evaluated by how well it fits electrical, thermal, and mechanical constraints in the target system. They are essential when a design must handle inductive loads, fast edges, or high current in compact footprints. Good discrete choices improve efficiency and robustness while keeping BOM cost and thermal design manageable. In power adapters, MOSFET choices influence efficiency, heat, and audible noise during burst-mode operation. In robotics, motor switching stages must handle stalls and rapid reversals without entering unsafe SOA conditions. Overall, it supports long-term maintainability by using clear selection criteria and repeatable validation practices.
AOB442AOB442

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