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0435003.KR Littelfuse 0435003.KR is a 3A, 32VDC, fast-acting surface mount fuse in an 0402 package with 50A interrupting rating.
Mfr Part #:

0435003.KR

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse 0435003.KR is a 3A, 32VDC, fast-acting surface mount fuse in an 0402 package with 50A interrupting rating.
Total Stock: 7,000 pcs

0435003.KR 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
7,000 pcs
7000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16

0435003.KR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Approval Agency
Automotive Grade
Breaking Capacity
Breaking Capacity @ Rated Voltage
Current Rating
Current Rating (Amps)
Fuse Type
Halogen Free
Height
Industrial Grade
Interrupting Rating
Length
Medical Grade
Melting I²t
Military Grade
Mounting Type
Nominal Cold Resistance
Nominal Melting I²t
Operating Temperature
Package / Case
Power Dissipation
Response Time
SVHC Present
Voltage Drop
Voltage Rating
Width

0435003.KR Description

Short technical summary and product information.

The Littelfuse 0435003.KR is a 3 amp, 32 volt DC, fast-acting surface mount fuse from the 435 series. It is designed for overcurrent protection in compact electronic circuits where space is at a premium, packaged in the industry-standard 0402 (1005 metric) footprint.

 

Electrical specifications include an interrupting rating of 50 amperes at 32 VDC, a nominal cold resistance of 0.01701 ohms, and a melting I²t of 0.2032 A²s. The fuse opens consistently within 5 seconds at 200% overload, providing reliable protection for sensitive circuits. Voltage drop at rated current is 60.58 mV, and power dissipation is 0.1874 W.

 

The fuse is RoHS compliant, lead-free, and halogen-free. It is approved by CSA and UL, and supports surface mount soldering processes with MSL Level 1 (unlimited) moisture sensitivity.

0435003.KR Quick Information

Product Type: Surface Mount Fuse
Series: 435
Canonical Name: Littelfuse 435 Series 0435003.KR Fast-Acting Surface Mount Fuse, 3A, 32VDC, 0402
Subcategory: Fast-Acting Fuse

0435003.KR Compliance

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

0435003.KR Features

  • 3A current rating at 32VDC.
  • Fast-acting response time.
  • 50A interrupting rating.
  • 0402 surface mount package.
  • CSA and UL approved.

0435003.KR Applications

  • Overcurrent protection for portable electronics.
  • Ideal for battery management circuits.
  • Protects sensitive ICs in compact designs.
  • Used in industrial control modules.

0435003.KR FAQs

5 frequently asked questions generated from this part’s specifications.
What is the current rating of the Littelfuse 0435003.KR?

The current rating is 3A.

What is the voltage rating of this fuse?

The voltage rating is 32V DC.

What is the breaking capacity of the 0435003.KR?

The interrupting rating is 50A at 32 VDC.

What is the response time of the 0435003.KR fuse?

It is a fast-acting (fast-blow) fuse.

What package does the 0435003.KR come in?

It is a surface mount fuse in an 0402 (1005 metric) package.

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