FQB4N90TM The FQB4N90TM is a 900V N-Channel QFET MOSFET from On Semiconductor, capable of 4.2A continuous drain current with a maximum on-resistance of 3.3 Ohm.
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FQB4N90TM

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Mfr Name: On Semiconductor
On Semiconductor
The FQB4N90TM is a 900V N-Channel QFET MOSFET from On Semiconductor, capable of 4.2A continuous drain current with a maximum on-resistance of 3.3 Ohm.
✓ Total Stock: 800 pcs

FQB4N90TM Available from 1 distributor

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FQB4N90TM 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
Lead Style
Mounting Type
Operating Temperature
Power Dissipation (Max)
Rds On (Max) @ Id, Vgs
Storage Temperature
Supplier Device Package
Technology
Termination Style
Vgs (Max)
Vgs(th) (Max) @ Id

FQB4N90TM Description

Short technical summary and product information.

The FQB4N90TM is a high-voltage N-Channel enhancement mode power MOSFET manufactured using Fairchild Semiconductor's proprietary planar stripe DMOS technology, now part of On Semiconductor. This device is designed for applications requiring high efficiency and reliable switching performance. It offers a drain-source voltage rating of 900V and continuous drain current of 4.2A at 25°C.

 

Key electrical characteristics include a low typical gate charge of 24 nC and low reverse transfer capacitance of 9.5 pF, enabling fast switching transitions. The device is 100% avalanche tested and features a single pulsed avalanche energy rating of 570 mJ. The maximum drain-source on-resistance is 3.3 Ohm at Vgs = 10V.

 

The MOSFET is housed in a D2PAK (TO-263) surface mount package, suitable for automated assembly. The operating junction temperature range is -55°C to 150°C.

FQB4N90TM Quick Information

Product Type: MOSFET
Series: QFET
Canonical Name: FQB4N90TM 900V N-Channel QFET MOSFET
Subcategory: N-Channel MOSFET

FQB4N90TM Compliance

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

FQB4N90TM Features

  • 900V drain-source voltage rating.
  • 4.2A continuous drain current.
  • 3.3 Ohm maximum on-resistance.
  • Surface mount D2PAK package.

FQB4N90TM Applications

  • Suitable for switch mode power supplies.
  • Used in high efficiency power conversion.
  • Applicable for AC/DC converters.

FQB4N90TM FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum drain-source voltage of the FQB4N90TM?

The maximum drain-source voltage is 900V.

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

The continuous drain current is 4.2A at Tc=25°C.

What is the maximum on-resistance of the FQB4N90TM?

The maximum drain-source on-resistance is 3.3 Ohm at Vgs=10V and Id=2.1A.

What is the package type of the FQB4N90TM?

The package is D2PAK (TO-263), a surface mount package.

What is the operating temperature range of the FQB4N90TM?

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

Is the FQB4N90TM RoHS compliant?

The device is listed as RoHS3 Compliant, though this status is unverified.

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