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FQS4901TF FQS4901TF is a dual N-Channel MOSFET from ON Semiconductor. It features a 400V drain-source voltage, 450mA drain current, and 4.2 Ohm on-resistance.
Mfr Part #:

FQS4901TF

Available from 4 distributors
Mfr Name: On Semiconductor
On Semiconductor
FQS4901TF is a dual N-Channel MOSFET from ON Semiconductor. It features a 400V drain-source voltage, 450mA drain current, and 4.2 Ohm on-resistance.
✓ Total Stock: 142,629 pcs

FQS4901TF Available from 4 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
129,143 pcs
On Request
129143 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
7,386 pcs
On Request
7386 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
6,000 pcs
On Request
6000 pcs On Request 1 On Request On Request 15+ On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
100 pcs
On Request
100 pcs On Request 1 On Request On Request 15+ 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.

FQS4901TF Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Configuration
Current
Drain to Source Voltage (Vdss)
Gate Charge (Qg) (Max) @ Vgs
Input Capacitance (Ciss) (Max) @ Vds
Medical Grade
Mounting Type
Operating Temperature
Power
Rds On (Max) @ Id, Vgs
Supplier Device Package
Technology
Vgs(th) (Max) @ Id
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FQS4901TF Description

Short technical summary and product information.

The FQS4901TF is a dual N-Channel MOSFET manufactured by ON Semiconductor, designed for high-voltage switching and amplification applications. This device features a maximum drain-source voltage of 400V and a continuous drain current of 450mA, making it suitable for low-power circuits requiring voltage isolation. The on-resistance is specified at 4.2 Ohms maximum when driven with 10V at 225mA, ensuring efficient operation in saturation mode.

 

Key electrical characteristics include a maximum gate threshold voltage of 4V, input capacitance of 210pF at 25V, and a total gate charge of 7.5nC at 10V. The device can dissipate up to 2W of power and operates over a junction temperature range of -55°C to 150°C. These parameters support moderate switching speeds and thermal stability in compact designs.

 

Packaged in an 8-SOIC surface mount package (0.154" width, 3.90mm), the FQS4901TF is suitable for automated assembly and space-constrained layouts. The dual MOSFET configuration allows for simplified circuit design in applications such as half-bridge converters, push-pull stages, and high-side load switches. The device is RoHS3 compliant (unverified) and REACH unaffected (unverified).

FQS4901TF Quick Information

Product Type: MOSFET Array
Series: FQS4901
Canonical Name: FQS4901TF Dual N-Channel MOSFET
Subcategory: Arrays

FQS4901TF Compliance

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

FQS4901TF Features

  • Dual N-Channel MOSFET configuration.
  • 400V drain-source voltage rating.
  • 450mA continuous drain current.
  • Surface mount 8-SOIC package.
  • 4.2 Ohm on-resistance at 225mA.

FQS4901TF Applications

  • High-voltage DC-DC converter circuits.
  • Low-power motor control applications.
  • Switching power supplies.
  • Load switch for high-voltage rails.
  • Gate drive circuits for high-side switching.

FQS4901TF FAQs

7 frequently asked questions generated from this part’s specifications.
What is the package type of the FQS4901TF?

8-SOIC (0.154", 3.90mm Width) surface mount package.

What is the operating temperature range?

-55°C to 150°C (TJ).

Is the FQS4901TF RoHS compliant?

It is listed as RoHS3 compliant, but this status is unverified.

What is the drain-source voltage rating?

400V maximum.

What is the continuous drain current?

450mA.

What is the MOSFET configuration?

2 N-Channel (Dual).

What is the on-resistance?

4.2 Ohm maximum at 225mA and 10V gate drive.

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