SI4401FDY-T1-GE3 The Vishay Dale SI4401FDY-T1-GE3 is a P-Channel MOSFET featuring TrenchFET Gen III technology. It offers a 40V drain-source voltage and a maximum continuous drain current of 14A.
Mfr Part #:

SI4401FDY-T1-GE3

Available from 3 distributors
Mfr Name: Vishay
Vishay
The Vishay Dale SI4401FDY-T1-GE3 is a P-Channel MOSFET featuring TrenchFET Gen III technology. It offers a 40V drain-source voltage and a maximum continuous drain current of 14A.
✓ Total Stock: 17,908 pcs
$ Price Range: $0.99

SI4401FDY-T1-GE3 Available from 3 distributors

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✓ Non-Authorised
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9,388 pcs
9388 pcs On Request 1 On Request On Request On Request On Request On Request
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5,000 pcs
5000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
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SI4401FDY-T1-GE3 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Drain to Source Voltage (Vdss)
Drive Voltage (Max Rds On, Min Rds On)
FET Type
Gate Charge (Qg) (Max) @ Vgs
Input Capacitance (Ciss) (Max) @ Vds
Mounting Type
Operating Temperature
Power Dissipation (Max)
Rds On (Max) @ Id, Vgs
Supplier Device Package
Technology
Vgs (Max)
Vgs(th) (Max) @ Id

SI4401FDY-T1-GE3 Description

Short technical summary and product information.

The Vishay Dale SI4401FDY-T1-GE3 is a high-performance P-Channel power MOSFET utilizing TrenchFET Gen III technology. It is designed for power switching applications and comes in an 8-SOIC package.

 

Key electrical specifications include a drain-source voltage (Vds) of 40V and a maximum continuous drain current (Id) of 14A at 25°C case temperature. The on-resistance (Rds(on)) is as low as 0.0142 Ohms at 10A and 10V gate-source voltage. The device operates over a wide temperature range from -55°C to 150°C.

 

This MOSFET is suitable for applications such as adapter switches, load switches, battery switches, and motor drive control. Its surface mountable 8-SOIC package facilitates integration into compact electronic designs. The material is RoHS3 compliant.

SI4401FDY-T1-GE3 Quick Information

Product Type: MOSFET
Series: Gen III
Canonical Name: Vishay Dale SI4401FDY-T1-GE3 P-Channel 40V MOSFET
Subcategory: P-Channel

SI4401FDY-T1-GE3 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SI4401FDY-T1-GE3 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

SI4401FDY-T1-GE3 Features

  • P-Channel TrenchFET Gen III MOSFET
  • 40V Drain-Source Voltage
  • 14A Continuous Drain Current
  • Low 0.0142 Ohm On-Resistance
  • 8-SOIC Surface Mount Package

SI4401FDY-T1-GE3 Applications

  • Adapter switch applications
  • Load switch functionality
  • Battery switch circuits
  • Motor drive control

SI4401FDY-T1-GE3 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the drain-source breakdown voltage of the SI4401FDY-T1-GE3?

-40 V minimum at VGS = 0 V, ID = -250 μA.

What is the maximum continuous drain current?

-14 A at case temperature 25°C, -9.9 A at ambient temperature 25°C.

What is the on-resistance?

14.2 mΩ maximum at Vgs = -10 V, Id = 10 A; 18.3 mΩ maximum at Vgs = -4.5 V.

What is the operating temperature range?

-55°C to 150°C (junction).

What package is the device available in?

8-SOIC (0.154", 3.90mm Width) surface mount package.

What is the typical gate charge?

31 nC typical.

What is the input capacitance?

4000 pF maximum at VDS = 20 V.

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