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STP40NF12 The STP40NF12 is an N-Channel MOSFET from STMicroelectronics designed for power applications. It offers a 120V drain-source voltage and 40A continuous drain current.
Mfr Part #:

STP40NF12

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STP40NF12 is an N-Channel MOSFET from STMicroelectronics designed for power applications. It offers a 120V drain-source voltage and 40A continuous drain current.
✓ Total Stock: 2,000 pcs
$ Price Range: $2.56

STP40NF12 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
2,000 pcs
On Request
2000 pcs On Request 1 On Request On Request 14+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

STP40NF12 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
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STP40NF12 Description

Short technical summary and product information.

The STP40NF12 is a high-performance N-Channel MOSFET manufactured by STMicroelectronics. This component is designed for power switching applications, featuring a robust construction and reliable electrical characteristics.

 

Key electrical specifications include a maximum Drain-to-Source Voltage (Vdss) of 120V and a continuous Drain Current (Id) of 40A at 25°C. The On-Resistance (Rds On) is specified as a maximum of 32mOhm at 20A and 10V gate drive, ensuring efficient power transfer with minimal losses. The device operates within a temperature range of -55°C to 175°C (TJ).

 

Packaged in a standard TO-220-3 through-hole configuration, the STP40NF12 is suitable for various power management circuits. Its technology is based on Metal Oxide Semiconductor Field-Effect Transistor (MOSFET) principles, providing fast switching speeds and low on-state resistance.

 

This MOSFET is designed for applications requiring high current handling and voltage blocking capabilities. Its specifications make it a suitable choice for power supplies, motor control, and other demanding electronic systems.

STP40NF12 Quick Information

Product Type: MOSFET
Canonical Name: STP40NF12 N-Channel MOSFET
Subcategory: Single FETs, MOSFETs

STP40NF12 Compliance

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

STP40NF12 Estimated Pricing

Qty Low High
1+ $2.56 $2.56

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

STP40NF12 Features

  • N-Channel MOSFET technology.
  • 120V Drain-Source Voltage rating.
  • 40A continuous drain current.
  • Low on-resistance: 32mOhm max.
  • TO-220-3 through-hole package.

STP40NF12 Applications

  • Power supply circuits.
  • Motor control applications.
  • Switching power supplies.
  • General power management.

STP40NF12 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the drain-source voltage rating of the STP40NF12?

120V.

What is the continuous drain current rating?

40A at 25°C.

What is the maximum on-resistance?

32mOhm at 20A and 10V gate drive.

What is the operating temperature range?

-55°C to 175°C junction temperature.

What package is the STP40NF12 available in?

TO-220-3 through-hole package.

What is the gate threshold voltage?

4V maximum at 250µA.

What is the gate charge?

80nC maximum at 10V.

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