AO4840E The AO4840E is a 40V Dual N-Channel MOSFET from Alpha & Omega Semiconductor. It features low RDS(ON) and is suitable for various power applications.
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AO4840E

Available from 1 distributors
Mfr Name: AOS3K
AOS3K
The AO4840E is a 40V Dual N-Channel MOSFET from Alpha & Omega Semiconductor. It features low RDS(ON) and is suitable for various power applications.
✓ Total Stock: 4,190 pcs
$ Price Range: $1.58

AO4840E Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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4,190 pcs
4190 pcs On Request 1 On Request On Request 21+ On Request On Request

AO4840E Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Halogen Free
Input Capacitance
Mounting Type
Power Dissipation
Tape & Reel

AO4840E Description

Short technical summary and product information.

The AO4840E is a 40V Dual N-Channel MOSFET manufactured by Alpha & Omega Semiconductor. It utilizes advanced trench technology, offering low on-resistance (RDS(ON)) and low gate charge, making it efficient for power switching applications.

 

Key electrical characteristics include a Drain-Source Breakdown Voltage (BVDSS) of 40V and a maximum continuous drain current (ID) of 6A at 25°C. The static drain-source on-resistance is as low as 28mΩ at VGS=10V and 35mΩ at VGS=4.5V. The device also features a typical total gate charge (Qg) of 9nC at VGS=10V.

 

This MOSFET is designed for applications such as buck converters, DC motor drives, and load switches. It comes in a compact SO-8 package suitable for surface mounting.

 

The AO4840E is RoHS and Halogen-Free compliant, meeting environmental standards for modern electronic designs.

AO4840E Quick Information

Product Type: MOSFET
Series: AO4840E
Canonical Name: AO4840E Dual N-Channel MOSFET
Subcategory: Dual N-Channel

AO4840E Compliance

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

AO4840E Estimated Pricing

Qty Low High
1+ $1.58 $1.58

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

AO4840E Features

  • 40V Drain-Source Breakdown Voltage.
  • Low RDS(ON) of 28mΩ at 10V.
  • 6A Continuous Drain Current.
  • Low Gate Charge for efficient switching.
  • SO-8 package for surface mounting.

AO4840E Applications

  • Suitable for buck converter designs.
  • Ideal for DC motor drive circuits.
  • Used in load switch applications.
  • General industrial power applications.

AO4840E FAQs

6 frequently asked questions generated from this part’s specifications.
What is the drain-source breakdown voltage of the AO4840E?

The drain-source breakdown voltage is 40V minimum at ID=250μA.

What package is the AO4840E available in?

The AO4840E is available in an SO-8 surface mount package.

What is the operating temperature range of the AO4840E?

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

What is the typical gate threshold voltage?

The typical gate threshold voltage is 2.1V at VDS=40V.

What is the maximum continuous drain current?

The maximum continuous drain current is 6A at TA=25°C.

What is the on-resistance at 10V gate drive?

The maximum static drain-source on-resistance is 28mΩ at VGS=10V, ID=6A.

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