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0448.500MR Board mount surface mount fuse rated 500mA at 125VAC/VDC with fast blow response. Features 50A breaking capacity and CSA/UL approvals.
Mfr Part #:

0448.500MR

Available from 2 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Board mount surface mount fuse rated 500mA at 125VAC/VDC with fast blow response. Features 50A breaking capacity and CSA/UL approvals.
Total Stock: 1,812 pcs
$ Price Range: $0.95 - $2.49

0448.500MR Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
1,086 pcs
1086 pcs On Request 1 On Request On Request N/A On Request On Request
Non-Authorised Inventory information
726 pcs
726 pcs On Request 1 On Request On Request On Request On Request On Request

0448.500MR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Approval Agency
Breaking Capacity @ Rated Voltage
Current Rating (Amps)
Fuse Type
Halogen Free
Height
Length
Melting I²t
Mounting Type
Operating Temperature
Response Time
SVHC Present
Tape & Reel
Voltage Rating
Width

0448.500MR Description

Short technical summary and product information.

The Littelfuse 0448.500MR is a 500mA fast blow surface mount fuse designed for board-level circuit protection. It is rated for 125VAC/VDC and offers a breaking capacity of 50A at rated voltage. The fuse features a melting I²t of 0.1 A²s, ensuring reliable overcurrent protection in compact designs.

 

This fuse is housed in a 2-SMD square end block package with dimensions 6.10mm x 2.69mm x 2.69mm, suitable for surface mount assembly. It operates over a wide temperature range of -55°C to 125°C, making it suitable for demanding environments. The fast blow response time provides quick interruption of fault currents.

 

Applications include general purpose circuit protection in consumer electronics, industrial controls, and power supplies. The fuse is approved by CSA and UL, meeting safety standards. Its compact size and surface mount format enable high-density PCB designs.

0448.500MR Quick Information

Product Type: Fuse
Series: 448
Canonical Name: Littelfuse 0448.500MR 500mA Fast Blow Surface Mount Fuse
Subcategory: Surface Mount Fuse

0448.500MR Compliance

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

0448.500MR Estimated Pricing

Qty Low High
1+ $2.49 $2.49
5+ $2.18 $2.18
10+ $1.91 $1.91
50+ $1.60 $1.60
100+ $1.47 $1.47
250+ $1.28 $1.28
500+ $1.12 $1.12
1,000+ $0.95 $0.95

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

0448.500MR Features

  • Rated 500mA at 125VAC/VDC.
  • Fast blow response time for quick protection.
  • 50A breaking capacity at rated voltage.
  • Surface mount 2-SMD square end block package.
  • CSA and UL approved for safety.

0448.500MR Applications

  • General circuit protection in consumer electronics.
  • Overcurrent protection in industrial control systems.
  • Power supply input protection for DC circuits.
  • Board-level protection in compact designs.

0448.500MR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the 0448.500MR?

500 mA.

What is the voltage rating?

125 V.

What is the breaking capacity?

50 A at rated voltage.

What is the response time?

Fast Blow.

What is the package/case?

2-SMD, Square End Block.

What is the operating temperature range?

-55°C to 125°C.

What approvals does this fuse have?

CSA and UL.

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