STB45N40DM2AG The STMicroelectronics STB45N40DM2AG is an N-Channel MOSFET designed for high voltage applications. It offers a 400V drain-source breakdown voltage and a continuous drain current of 38A.
Mfr Part #:

STB45N40DM2AG

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics STB45N40DM2AG is an N-Channel MOSFET designed for high voltage applications. It offers a 400V drain-source breakdown voltage and a continuous drain current of 38A.
✓ Total Stock: 7,073 pcs
$ Price Range: $2.56

STB45N40DM2AG Available from 3 distributors

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6,020 pcs
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1,000 pcs
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53 pcs
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STB45N40DM2AG Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
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

STB45N40DM2AG Description

Short technical summary and product information.

The STMicroelectronics STB45N40DM2AG is an N-Channel MOSFET with a high voltage rating of 400V. It is designed for power applications, capable of handling a continuous drain current of 38A at a case temperature.

 

Key electrical specifications include a low on-resistance of 72mOhm at 19A and 10V, a gate charge of 56nC at 10V, and a gate-source threshold voltage of 5V. The device operates within a temperature range of -55°C to 150°C and has a power dissipation of 250W.

 

This MOSFET utilizes Metal Oxide technology and features an N-Channel enhancement mode. It is qualified under the AEC-Q101 standard, making it suitable for automotive and industrial applications. The device is packaged in a surface-mount TO-263-3, D²Pak (2 Leads + Tab), TO-263AB package and is supplied on a reel.

 

With its robust specifications, the STB45N40DM2AG is well-suited for various power switching and control circuits where high voltage and current handling are required.

STB45N40DM2AG Quick Information

Product Type: MOSFET
Series: STB45N40DM2AG
Canonical Name: STB45N40DM2AG N-Channel MOSFET
Subcategory: MOSFETs

STB45N40DM2AG Compliance

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

STB45N40DM2AG Estimated Pricing

Qty Low High
1+ $2.56 $2.56

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

STB45N40DM2AG Features

  • 400V drain-source breakdown voltage.
  • 38A continuous drain current.
  • 72mOhm maximum on-resistance.
  • AEC-Q101 qualified for reliability.
  • Surface mount D2PAK package.

STB45N40DM2AG Applications

  • Suitable for high voltage power circuits.
  • Used in power supply applications.
  • Ideal for switching applications.
  • Automotive and industrial use.

STB45N40DM2AG FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum drain-source voltage of the STB45N40DM2AG?

The maximum drain-source voltage is 400V.

What is the continuous drain current rating?

The continuous drain current is 38A at case temperature (Tc).

What is the on-resistance?

The maximum on-resistance is 72 milliohms at 19A drain current and 10V gate-source voltage.

What is the operating temperature range?

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

What package is the STB45N40DM2AG available in?

It is available in a TO-263-3, D²Pak (2 leads + tab) surface mount package, with supplier device package D²PAK (TO-263).

Is this MOSFET AEC-Q101 qualified?

Yes, it is qualified to AEC-Q101 for automotive applications.

What is the maximum gate charge?

The maximum gate charge is 56 nC at 10V gate-source voltage.

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