STF4N90K5 The STMicroelectronics STF4N90K5 is an N-Channel MOSFET designed for high voltage applications. It offers a 900V drain-source voltage and a 4A continuous drain current.
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STF4N90K5

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Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics STF4N90K5 is an N-Channel MOSFET designed for high voltage applications. It offers a 900V drain-source voltage and a 4A continuous drain current.
✓ Total Stock: 3,550 pcs
$ Price Range: $2.56

STF4N90K5 Available from 1 distributor

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✓ Non-Authorised
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3,550 pcs
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STF4N90K5 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
Supplier Package
Technology
Vgs (Max)
Vgs(th) (Max) @ Id

STF4N90K5 Description

Short technical summary and product information.

The STMicroelectronics STF4N90K5 is a single N-Channel MOSFET from the MOSFET (Metal Oxide) technology family. It is designed for applications requiring high voltage switching capabilities, featuring a maximum drain-to-source voltage (Vdss) of 900V and a continuous drain current of 4A (Tc).

 

Key electrical characteristics include a maximum on-resistance (Rds On) of 2.1 Ohm at 1A and 10V, a maximum gate charge (Qg) of 5.3 nC at 10V, and an input capacitance (Ciss) of 173 pF at 100V. The gate threshold voltage (Vgs(th)) is 5V at 100µA, with a maximum gate-source voltage (Vgs) of ±30V.

 

This MOSFET operates within a temperature range of -55°C to 150°C (TJ) and has a maximum power dissipation of 20W (Tc). It is housed in a TO-220FP package and utilizes a through-hole mounting type.

 

The STF4N90K5 is specified as RoHS3 Compliant, with an MSL of 1 Unlimited, and REACH Unaffected. However, these compliance statuses are unverified.

STF4N90K5 Quick Information

Product Type: MOSFET
Canonical Name: STMicroelectronics STF4N90K5 N-Channel MOSFET
Subcategory: N-Channel

STF4N90K5 Compliance

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

STF4N90K5 Estimated Pricing

Qty Low High
1+ $2.56 $2.56

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

STF4N90K5 Features

  • 900V drain-source voltage rating.
  • 4A continuous drain current capability.
  • 2.1 Ohm maximum Rds On.
  • TO-220FP package with through-hole mounting.
  • N-Channel MOSFET technology.

STF4N90K5 Applications

  • Used in high-voltage power supplies.
  • Suitable for switching converters.
  • Ideal for motor control circuits.
  • Applicable in inverter designs.
  • Used in lighting ballasts.

STF4N90K5 FAQs

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

900V maximum.

What is the continuous drain current?

4A maximum at Tc.

What is the on-resistance?

2.1 Ohms maximum at 1A and 10V.

What is the gate charge?

5.3 nC maximum at 10V.

What is the input capacitance?

173 pF maximum at 100V.

What is the operating temperature range?

-55°C to 150°C junction temperature.

What package does the STF4N90K5 come in?

TO-220FP (TO-220-3) through-hole package.

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