SI4124DY-T1-E3

$0.72

Description：MOSFET N-CH 40V 20.5A 8SO
Series：TrenchFET®
Mfr：Vishay Siliconix
Package：Tape & Reel (TR)

SKU:b3cee522480f Category: Single FETs, MOSFETs Brand: Vishay Siliconix

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Product introduction

SI4124DY-T1-E3 is listed in the Single FETs, MOSFETs range at ChipApex. The manufacturer field lists Vishay Siliconix. Its product description is MOSFET N-CH 40V 20.5A 8SO. Review the specifications below when checking this part for your BOM.

Single FETs, MOSFETs specifications for SI4124DY-T1-E3

Description：MOSFET N-CH 40V 20.5A 8SO
Series：TrenchFET®
Mfr：Vishay Siliconix
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：20.5A (Tc)
Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
Rds On (Max) @ Id, Vgs：7.5mOhm @ 14A, 10V
Vgs(th) (Max) @ Id：3V @ 250µA
Gate Charge (Qg) (Max) @ Vgs：77 nC @ 10 V
Vgs (Max)：±20V
Input Capacitance (Ciss) (Max) @ Vds：3540 pF @ 20 V
FET Feature：-
Power Dissipation (Max)：2.5W (Ta), 5.7W (Tc)
Operating Temperature：-55°C ~ 150°C (TJ)
Grade：-
Qualification：-
Mounting Type：Surface Mount
Supplier Device Package：8-SOIC
Package / Case：8-SOIC (0.154", 3.90mm Width)

Single FETs, MOSFETs datasheet and documents for SI4124DY-T1-E3

SI4124DY-T1-E3

Single FETs, MOSFETs Overview

The Vishay Siliconix SI4124DY-T1-E3 is a lead-free N-channel power MOSFET utilizing TrenchFET technology. It features a 40 V drain-source voltage rating and supports a continuous drain current of 20.5 A at a case temperature of 25 °C. The device offers a maximum on-state resistance of 7.5 mΩ at VGS = 10 V and 9.0 mΩ at VGS = 4.5 V. Packaged in an SO-8 surface-mount housing, it operates within a junction temperature range of -55 °C to +150 °C.

Single FETs, MOSFETs Feature Summary

TrenchFET power MOSFET architecture for optimized performance
100% gate resistance tested during manufacturing
Lead-free construction with halogen-free material compliance

Single FETs, MOSFETs Applications

Synchronous rectification circuits
DC/DC converter topologies

Single FETs, MOSFETs Procurement Notes

Verify the specific ordering suffix against official documentation to confirm package type and environmental compliance status. Confirm that the requested variant matches the required lead-free or halogen-free specifications. Ensure the component source aligns with authorized distribution channels to maintain product integrity and traceability throughout the supply chain.

Single FETs, MOSFETs Selection Notes

Evaluate thermal management requirements based on the specified junction-to-ambient and junction-to-foot thermal resistances. Verify that the application's gate drive voltage meets the minimum threshold for the desired on-resistance level. Consider the operating temperature range and derating curves to ensure reliable performance under steady-state and pulsed load conditions.

Single FETs, MOSFETs Part Context

This component belongs to the Si4124 series of N-channel MOSFETs from Vishay Siliconix. It is designed as a general-purpose power switching device suitable for low-voltage applications. The part integrates advanced trench gate technology to achieve high current density and low conduction losses within a compact surface-mount footprint.