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STN3N40K3] The STN3N40K3 is an N-Channel MOSFET from STMicroelectronics with a 400V drain-to-source voltage and 1.8A continuous drain current. It is designed for surface mounting.
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STN3N40K3]

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STN3N40K3 is an N-Channel MOSFET from STMicroelectronics with a 400V drain-to-source voltage and 1.8A continuous drain current. It is designed for surface mounting.
✓ Total Stock: 150,667 pcs
$ Price Range: $2.81

STN3N40K3] Available from 1 distributor

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✓ Non-Authorised
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Romaks Technologies ✓
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150,667 pcs
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150667 pcs On Request 1 On Request On Request On Request On Request On Request
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STN3N40K3] Specifications Quick View

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STN3N40K3] Description

Short technical summary and product information.

The STN3N40K3 is a high-performance N-Channel MOSFET manufactured by STMicroelectronics. It features a maximum drain-to-source voltage (Vdss) of 400V and a continuous drain current (Id) of 1.8A at 25°C.

 

This MOSFET has a gate-to-source threshold voltage (Vgs(th)) of 4.5V at 50µA and a maximum gate charge (Qg) of 11nC at 10V. The input capacitance (Ciss) is 165pF at 50V, and the maximum on-resistance (Rds(on)) is 3.4 Ohms at 600mA and 10V.

 

Packaged in a TO-261-4, TO-261AA (SOT-223) surface mount package, the STN3N40K3 operates within a temperature range of -55°C to 150°C. Its metal oxide technology and SuperMESH3™ series designation highlight its suitability for demanding applications requiring reliable power switching.

 

This component is suitable for various electronic designs where efficient power management and high voltage handling are critical. Its surface mount capability allows for integration into compact PCB layouts.

STN3N40K3] Quick Information

Product Type: MOSFET
Series: SuperMESH3™
Canonical Name: STN3N40K3 N-Channel MOSFET
Subcategory: N-Channel

STN3N40K3] Compliance

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

STN3N40K3] Estimated Pricing

Qty Low High
1+ $2.81 $2.81

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

STN3N40K3] Features

  • 400V drain-to-source voltage rating.
  • 1.8A continuous drain current.
  • N-Channel MOSFET technology.
  • Surface mount SOT-223 package.
  • Wide operating temperature range.

STN3N40K3] Applications

  • Power supply switching circuits.
  • Motor control applications.
  • General purpose power switching.
  • High voltage applications.

STN3N40K3] FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum drain-source voltage of the STN3N40K3?

400V.

What is the package type of the STN3N40K3?

SOT-223 (with TO-261-4 and TO-261AA case outlines).

What is the operating temperature range?

-55°C to 150°C (junction temperature).

What is the maximum continuous drain current at 25°C?

1.8A.

What is the maximum on-resistance?

3.4Ω at 600mA drain current and 10V gate drive.

What is the gate charge?

11nC at 10V gate-to-source voltage.

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