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279.400 The Littelfuse Inc. 279.400 is a board mount fuse with a 400 mA current rating and 125 V AC/DC voltage rating. It features a fast blow response time.
Mfr Part #:

279.400

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. 279.400 is a board mount fuse with a 400 mA current rating and 125 V AC/DC voltage rating. It features a fast blow response time.
✓ Total Stock: 385 pcs
$ Price Range: $0.99

279.400 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
385 pcs
On Request
385 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 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.

279.400 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Approval Agency
Current Rating
Dimensions
Fuse Type
Melting I²t
Mounting Type
Operating Temperature
Response Time
SVHC Present
Voltage Rating
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279.400 Description

Short technical summary and product information.

The Littelfuse Inc. 279.400 is a fast-acting fuse designed for board mounting. It has a current rating of 400 mA and a voltage rating of 125 V AC and 125 V DC.

 

This fuse is suitable for applications requiring a breaking capacity of 10 kA at its rated voltage. It operates within a temperature range of -55°C to 85°C and has a melting I²t value of 0.0251.

 

The component is mounted through the hole and has a radial, can, vertical package style. Its dimensions are 0.250" diameter by 0.350" height. The fuse is approved by CSA, QPL, and UL agencies.

279.400 Quick Information

Product Type: Fuse
Series: MICRO™ 279
Canonical Name: Littelfuse Inc. 279.400 Fuse
Subcategory: Fuses

279.400 Compliance

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

279.400 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

279.400 Features

  • 400 mA current rating at 125 V AC/DC.
  • Fast blow response time for quick circuit protection.
  • Through-hole mounting with radial, can, vertical package.
  • Approved by CSA, QPL, and UL agencies.
  • Wide operating temperature range of -55°C to 85°C.

279.400 Applications

  • Ideal for general circuit protection.
  • Suitable for board-level applications.
  • Used in systems requiring fast-acting fuses.
  • Designed for reliable operation in various environments.

279.400 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the Littelfuse 279.400?

The current rating is 400 mA.

What is the voltage rating of the 279.400 fuse?

It is rated for 125V AC and 125V DC.

What is the breaking capacity of the 279.400?

The breaking capacity is 10 kA at rated voltage.

What is the response time of the 279.400 fuse?

It is a fast blow fuse.

What is the package type of the 279.400?

It comes in a radial, can, vertical package with through hole mounting.

What is the operating temperature range?

The operating temperature range is -55°C to 85°C.

What are the dimensions of the 279.400 fuse?

The fuse has a diameter of 0.250 inches and a height of 0.350 inches (6.35mm x 8.89mm).

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