SI4914DY-T1-E3

$2.04

Description：MOSFET 2N-CH 30V 5.5A/5.7A 8SOIC
Series：LITTLE FOOT®

SKU:0323658aff81 Category: FET, MOSFET Arrays Brand: Vishay Siliconix

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Product introduction

Product Detailed Parameters

Description：MOSFET 2N-CH 30V 5.5A/5.7A 8SOIC
Series：LITTLE FOOT®
Mfr：Vishay Siliconix
Package：Tape & Reel (TR),Cut Tape (CT)
Technology：MOSFET (Metal Oxide)
Configuration：2 N-Channel (Half Bridge)
FET Feature：Logic Level Gate
Drain to Source Voltage (Vdss)：30V
Current - Continuous Drain (Id) @ 25°C：5.5A, 5.7A
Rds On (Max) @ Id, Vgs：23mOhm @ 7A, 10V
Vgs(th) (Max) @ Id：2.5V @ 250µA
Gate Charge (Qg) (Max) @ Vgs：8.5nC @ 4.5V
Input Capacitance (Ciss) (Max) @ Vds：-
Power - Max：1.1W, 1.16W
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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SI4914DY-T1-E3

Overview

The Vishay Siliconix Si4914DY-T1-E3 is a dual N-channel MOSFET with an integrated Schottky diode in an SO-8 package. It features a 30 V drain-source voltage rating. Channel-1 on-resistance is 0.023 Ω at 10 V gate drive and 7.0 A, or 0.032 Ω at 4.5 V and 5.6 A. Channel-2 on-resistance is 0.020 Ω at 10 V and 7.4 A, or 0.027 Ω at 4.5 V and 6.4 A. The integrated Schottky diode has a forward voltage of 0.40 V at 1.0 A. Maximum power dissipation is 1.9 W for Channel-1 and 2.0 W for Channel-2 at 25 °C ambient.

Feature Summary

Integrates two N-channel MOSFETs with a common source/drain pin and a separate Schottky diode within a single LITTLE FOOT Plus package.

Applications

Logic DC/DC converters
Notebook PC power management

Procurement Notes

Verify the component against the official Vishay datasheet Document Number 72938 to confirm electrical parameters and pinout compatibility. Ensure that the SO-8 surface mount package meets the thermal requirements of the target application design.

Selection Notes

Select this component when a compact solution combining dual low-voltage MOSFETs and a fast-recovery Schottky barrier diode is required. Evaluate the specific on-resistance values at the intended gate drive voltage to ensure adequate efficiency for the load current.

Part Context

This device belongs to the Vishay Siliconix LITTLE FOOT Plus family, which integrates multiple semiconductor functions into small surface-mount packages to reduce board space. The Si4914DY specifically combines dual N-channel enhancement mode field-effect transistors with a monolithic Schottky diode.