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0452003.MR Surface mount slow blow fuse rated 3A at 125VAC/VDC with 50A breaking capacity. 2-SMD square end block package.
Mfr Part #:

0452003.MR

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Surface mount slow blow fuse rated 3A at 125VAC/VDC with 50A breaking capacity. 2-SMD square end block package.
Total Stock: 270 pcs

0452003.MR Available from 1 distributor

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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270 pcs
270 pcs On Request 1 On Request On Request On Request On Request On Request

0452003.MR 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
Lead Style
Length
Medical Grade
Melting I²t
Military Grade
Mounting Type
Operating Temperature
Package / Case
Response Time
Tape & Reel
Voltage Rating
Width

0452003.MR Description

Short technical summary and product information.

The Littelfuse 0452003.MR is a 3A, 125VAC/VDC surface mount slow blow fuse from the NANO2 Slo-Blo series. It is designed for board mount applications requiring inrush current tolerance. The fuse features a slow blow response time, making it suitable for circuits with capacitive or inductive loads.

 

Electrical specifications include a breaking capacity of 50A at rated voltage and a melting I²t of 20.16 A²s. The operating temperature range is -55°C to 125°C. The fuse is housed in a 2-SMD, square end block package with dimensions 6.10mm x 2.69mm x 2.69mm.

 

Approvals include CSA, PSE, and UR. Environmental compliance includes RoHS3 and REACH unaffected. The fuse is surface mount, ideal for automated assembly. Typical applications include notebook PCs, LCD TVs, power supplies, and industrial equipment as referenced in the datasheet.

0452003.MR Quick Information

Product Type: Fuse
Series: Slo-Blo
Canonical Name: 0452003.MR Littelfuse NANO2 Slo-Blo Surface Mount Fuse
Subcategory: Board Mount Fuses

0452003.MR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: No

0452003.MR Features

  • Rated current of 3 amperes at 125 volts.
  • Slow blow response for inrush current tolerance.
  • Surface mount 2-SMD square end block package.
  • 50 amp breaking capacity at rated voltage.
  • Operating temperature range from -55°C to 125°C.

0452003.MR Applications

  • Used in notebook PC power supply protection.
  • Ideal for LCD TV and monitor backlight circuits.
  • Suitable for networking and telecom equipment.
  • Applied in battery charging circuit protection.
  • Used in industrial control systems.

0452003.MR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the 0452003.MR?

3 A.

What is the voltage rating?

125 V.

What is the breaking capacity?

50 A at rated voltage.

What is the response time?

Slow blow.

What package does this fuse come in?

2-SMD, square end block.

What is the operating temperature range?

-55°C to 125°C.

What approvals does this fuse have?

CSA, PSE, UR.

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