0429001.WRM Littelfuse 0429001.WRM is a 1A, 63V fast blow surface mount fuse in a 1206 package. It features a 50A interrupting rating and is UL and CSA recognized.
Mfr Part #:

0429001.WRM

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse 0429001.WRM is a 1A, 63V fast blow surface mount fuse in a 1206 package. It features a 50A interrupting rating and is UL and CSA recognized.
✓ Total Stock: 1,915 pcs
$ Price Range: $0.37

0429001.WRM Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
1,915 pcs
1915 pcs On Request 1 On Request On Request 12+ On Request On Request

0429001.WRM Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Approval Agency
Body Material
Current Rating (Amps)
Fuse Type
Height
Length
Melting I²t
Mounting Type
Operating Temperature
Response Time
Tape & Reel
Voltage Rating
Width

0429001.WRM Description

Short technical summary and product information.

The Littelfuse 0429001.WRM is a 1A, 63V fast-acting surface mount fuse from the 429 series. It is designed for board-level overcurrent protection in a compact 1206 (3216 Metric) package. The fuse has a fast blow response time, opening within 5 seconds at 200% of rated current and within 0.2 seconds at 300% of rated current.

 

This fuse offers a 50A interrupting rating at rated voltage, suitable for protecting sensitive circuits. It features a cold resistance of 0.0995 Ohm and a melting I²t of 0.035 A²s. The operating temperature range is -55°C to 90°C.

 

The 0429001.WRM is constructed with an epoxy substrate body, copper/nickel/tin-lead terminations, and a conformal coating. It is designed for surface mount soldering with a reflow temperature of 260°C for 30 seconds maximum. The fuse is recognized by UL (file E10480) and certified by CSA (file LR 29862).

0429001.WRM Quick Information

Product Type: Surface Mount Fuse
Series: 429
Canonical Name: Littelfuse 429 Series 1A 63V Fast Blow Surface Mount Fuse, 1206 Package
Subcategory: Fast Blow Surface Mount Fuse

0429001.WRM Compliance

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

0429001.WRM Estimated Pricing

Qty Low High
3,000+ $0.37 $0.37

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

0429001.WRM Features

  • Fast blow response time for sensitive circuits.
  • Rated for 1A at 63V AC/DC operation.
  • 50A interrupting rating at rated voltage.
  • Surface mount 1206 (3216 Metric) package.
  • UL and CSA agency approved.

0429001.WRM Applications

  • Overcurrent protection for board-level circuits.
  • Ideal for compact consumer electronics designs.
  • Used in industrial control and automation systems.
  • Suitable for power supply and DC-DC converter protection.

0429001.WRM FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the 0429001.WRM fuse?

The current rating is 1 A.

What is the voltage rating of this fuse?

The voltage rating is 63 V AC/DC.

What is the response time of the 0429001.WRM?

It is a fast blow (very fast-acting) fuse. It opens within 5 seconds maximum at 200% of rated current and within 0.2 seconds maximum at 300% of rated current.

What is the package size of this fuse?

The package is 1206 (3216 Metric), with dimensions 3.18mm x 1.52mm x 1.14mm.

What is the interrupting rating of the 0429001.WRM?

The interrupting rating is 50 A at rated voltage (63 V).

What is the operating temperature range?

The operating temperature range is -55°C to 90°C.

What agency approvals does this fuse have?

It is recognized by UL (file E10480) and certified by CSA (file LR 29862).

Home

Categories