SI4942DY-T1-E3

$2.36

Description：MOSFET 2N-CH 40V 5.3A 8SOIC
Series：TrenchFET®

SKU:c0b51b4c47ca Category: FET, MOSFET Arrays Brand: Vishay Siliconix

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Product introduction

Product Detailed Parameters

Description：MOSFET 2N-CH 40V 5.3A 8SOIC
Series：TrenchFET®
Mfr：Vishay Siliconix
Package：Tape & Reel (TR),Cut Tape (CT)
Technology：MOSFET (Metal Oxide)
Configuration：2 N-Channel (Dual)
FET Feature：Logic Level Gate
Drain to Source Voltage (Vdss)：40V
Current - Continuous Drain (Id) @ 25°C：5.3A
Rds On (Max) @ Id, Vgs：21mOhm @ 7.4A, 10V
Vgs(th) (Max) @ Id：3V @ 250µA
Gate Charge (Qg) (Max) @ Vgs：32nC @ 10V
Input Capacitance (Ciss) (Max) @ Vds：-
Power - Max：1.1W
Operating Temperature：-55°C ~ 150°C (TJ)
Mounting Type：Surface Mount
Package / Case：8-SOIC (0.154", 3.90mm Width)
Supplier Device Package：8-SOIC
Grade：-
Qualification：-

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SI4942DY-T1-E3

Overview

The SI4942DY-T1-E3 is a silicon N-channel Power MOSFET manufactured by Vishay Siliconix, utilizing TrenchFET technology. It is housed in an SOIC-8 surface-mount package and operates with a drain-source voltage (Vds) of 40V and a gate-source voltage (Vgs) of 20V. The device is designed for efficient power switching applications within the specified voltage range.

Feature Summary

Utilizes TrenchFET technology for optimized performance
Designed for surface-mount installation via SOIC-8 package

Applications

Power switching circuits requiring 40V capability
DC-DC converter topologies
Load switching applications

Procurement Notes

This component is officially listed as obsolete or end-of-life by the manufacturer. Availability is restricted, and standard distribution channels may not stock new units. Verification of current lifecycle status and sourcing from authorized distributors or surplus suppliers is required before integration into designs.

Selection Notes

Engineers should evaluate alternative components from the same series or newer generations due to the obsolescence status. Ensure that replacement parts maintain compatibility with the 40V Vds and 20V Vgs specifications while considering updated thermal and electrical characteristics.

Part Context

The SI4942DY-T1-E3 belongs to the SI4 series of MOSFETs from Vishay Siliconix. This series typically features TrenchFET technology for improved efficiency. The part number suffix indicates tape-and-reel packaging and RoHS compliance.

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.