SI4840BDY-T1-E3 The Vishay Dale SI4840BDY-T1-E3 is an N-Channel MOSFET with a 40V drain-source voltage and a continuous drain current of 19A. It features a low on-resistance of 9mOhm at 10V gate-source voltage and comes in an 8-SOIC package.
Mfr Part #:

SI4840BDY-T1-E3

Available from 3 distributors
Mfr Name: Vishay
Vishay
The Vishay Dale SI4840BDY-T1-E3 is an N-Channel MOSFET with a 40V drain-source voltage and a continuous drain current of 19A. It features a low on-resistance of 9mOhm at 10V gate-source voltage and comes in an 8-SOIC package.
✓ Total Stock: 77,840 pcs
$ Price Range: $0.99

SI4840BDY-T1-E3 Available from 3 distributors

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75,000 pcs
75000 pcs On Request 1 On Request On Request On Request On Request On Request
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1,804 pcs
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1,036 pcs
1036 pcs On Request 1 On Request On Request 1038+ On Request On Request

SI4840BDY-T1-E3 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Configuration
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
Lead Spacing
Lead Style
Mounting Type
Number of Channels
Operating Temperature
Power Dissipation (Max)
Rds On (Max) @ Id, Vgs
Supplier Device Package
Supplier Package
Tape & Reel
Technology
Transistor Type
Vgs (Max)
Vgs(th) (Max) @ Id

SI4840BDY-T1-E3 Description

Short technical summary and product information.

The Vishay Dale SI4840BDY-T1-E3 is a single N-Channel MOSFET designed for power applications. It offers a 40V drain-source breakdown voltage and a maximum continuous drain current of 19A at 25°C case temperature.

 

Key electrical characteristics include a low on-resistance of 9mOhm at 10V gate-source voltage and 12.4A drain current, and a maximum gate charge of 50nC at 10V. The device operates within a junction temperature range of -55°C to 150°C.

 

This MOSFET is housed in an 8-SOIC package, suitable for surface mounting. Its applications include synchronous rectification and secondary side power applications like POL and IBC.

 

The device is built using TrenchFET® technology and is 100% Rg and UIS tested. It is available in lead (Pb)-free and halogen-free options.

SI4840BDY-T1-E3 Quick Information

Product Type: MOSFET
Series: Si4
Canonical Name: Vishay Dale SI4840BDY-T1-E3 N-Channel MOSFET
Subcategory: Single

SI4840BDY-T1-E3 Compliance

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

SI4840BDY-T1-E3 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

SI4840BDY-T1-E3 Features

  • 40V drain-source breakdown voltage.
  • 19A maximum continuous drain current.
  • Low 9mOhm on-resistance at 10V.
  • 8-SOIC surface mount package.
  • TrenchFET® power MOSFET technology.

SI4840BDY-T1-E3 Applications

  • Used for synchronous rectification.
  • Suitable for POL converters.
  • Ideal for IBC secondary side.
  • Power management applications.

SI4840BDY-T1-E3 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the drain-source breakdown voltage for the SI4840BDY-T1-E3?

The drain-source breakdown voltage is 40V.

What is the maximum continuous drain current?

The maximum continuous drain current is 19A at 25°C case temperature.

What is the typical on-resistance at Vgs = 10V?

The typical on-resistance at Vgs = 10V is 9mOhm.

What is the operating temperature range?

The operating junction and storage temperature range is -55°C to 150°C.

What package type is the SI4840BDY-T1-E3 available in?

It is available in an 8-SOIC package.

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