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0449.750MR - LITTELFUSE

Description: 750 mA 125 V 125 V Fuse Board Mount (Cartridge Style Excluded) Surface Mount 2-SMD, Square End Block

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Symbol

0449.750MR - LITTELFUSE - PCB symbol

PCB Footprints

0449.750MR - LITTELFUSE PCB footprint - Other - Other - 0449.750MR-1

3D Models

0449.750MR - LITTELFUSE - 3D model - Other - 0449.750MR-1

Datasheet Download Datasheet
Stock & Prices Price & Stock for 0449.750MR
Part Number 0449.750MR
Manufacturer LITTELFUSE
Pin Count 2
Part Category Fuse
Package Category Other
Footprint Name Other - 0449.750MR-1
Released Date Jan 30, 2026
Last Modified Date Feb 13, 2026 9:08 AM UTC
Pinout / Pin List Click Here (Member Only)

0449.750MR Details

Manufacturer Part Number:
0449.750MR
Rohs Code:
Yes
Part Life Cycle Code:
Active
ECCN Code:
EAR99
HTS Code:
8536.10.00.40
Manufacturer:
Littelfuse Inc
YTEOL:
7.15
Blow Characteristic:
SLOW
Body Breadth:
2.69 mm
Body Height:
2.69 mm
Body Length or Diameter:
6.1 mm
Circuit Protection Type:
ELECTRIC FUSE
Fuse Size:
NANO2
JESD-609 Code:
e4
Mounting Feature:
SURFACE MOUNT
Operating Temperature-Max:
125 °C
Operating Temperature-Min:
-55 °C
Packing Method:
TR
Rated Breaking Capacity:
50 A
Rated Current:
0.75 A
Rated Voltage(DC):
125 V
Reference Standard:
CE; CUL; UKCA; UL
Surface Mount:
YES
Terminal Finish:
Gold (Au)
Terminal Shape:
WRAPAROUND
Trip Time or Delay:
0.002 s

0449.750MR Frequently Asked Questions (FAQs)

The recommended soldering temperature for the 0449.750MR is between 250°C to 260°C for a maximum of 5 seconds.
Yes, the 0449.750MR is compatible with lead-free soldering processes, making it suitable for RoHS-compliant applications.
The maximum surge current rating for the 0449.750MR is 100A for 8.3ms, as per the IEC 61000-4-5 standard.
Yes, the 0449.750MR is designed for high-reliability applications, with a failure rate of < 1% per 1,000 hours, as per the MIL-HDBK-217F standard.
Yes, the 0449.750MR meets the requirements of the AEC-Q200 standard, making it suitable for use in automotive applications.

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0449.750MR Overview

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