Littelfuse

Littelfuse 04531.25MR 1.25A 125V Very Fast NANO² SMD Fuse

Name: Littelfuse 04531.25MR 1.25A 125V Very Fast NANO² SMD Fuse
Brand: Littelfuse
SKU: 04531.25MR

Part Number: 04531.25MR

● Contact for Availability

Specified for board-level protection, Littelfuse 04531.25MR is a 1.25A 125V very-fast NANO² fuse in a 2410 surface-mount package.

Rated Current1.25A

Rated Voltage125V AC/DC

Breaking Capacity50A @ 125VAC/VDC; 300A @ 32VDC

PackageSMD 2410

Tags

04531.25MR 453 Series Littelfuse NANO2 Fuse SMD Fuse Very Fast

For replacement and selection work, Littelfuse 04531.25MR is a 1.25A, 125V AC/DC NANO² surface-mount fuse with very-fast-acting response. The ceramic 2410 package uses silver-plated end caps, measures 6.10 × 2.69 × 2.69mm, and carries published interruption data of 50A @ 125VAC/VDC; 300A @ 32VDC. Nominal melting I²t for this rating is 0.664 A²s. Confirm the exact package suffix and electrical ratings when replacing an existing fuse. Use the complete ordering code to preserve packaging or lead-format options during replacement.

Technical Specifications

Part Number: 04531.25MR
Manufacturer Part Number: 04531.25MR
Series: 453 Series
Fuse Type: NANO² Very Fast-Acting SMD Fuse
Current Rating: 1.25A
Voltage Rating: 125V AC/DC
AC / DC: AC/DC
Breaking Capacity: 50A @ 125VAC/VDC; 300A @ 32VDC
I²t: Nominal melting I²t: 0.664 A²s
Pre-arcing I²t: 0.664
Operating Temperature: -55°C to +125°C
Package / Dimensions: SMD 2410
Mounting: Surface Mount (SMD)
Application: Board-Level Protection · Industrial electronics · Portable electronics · Power supplies
Standard: IEC 60127-7 · UL/CSA/NMX 248-1 and 248-14
Terminal Type: Silver-Plated End Caps
Fuse Speed: Very Fast Acting
Utilization Class: NANO²
Approvals: CE · CSA · Halogen Free · RoHS · UKCA · UL Recognized
Certifications: UL Recognized · CSA · CE/UKCA · RoHS · Halogen Free
Construction: Ceramic body with silver-plated end caps
Packaging suffix: MR
Tape-and-reel quantity: 1000 pcs
Moisture Sensitivity Level: MSL 1
Nominal melting I²t: 0.664 A²s