◎ Global Shippingϟ Fast RFQ Response◇ Multi-Brand Supply
Request a Quote
Littelfuse

Littelfuse 0454012.MR 12A 75V NANO2 SMD Time-Delay Fuse

Part Number: 0454012.MR

● Contact for Availability

0454012.MR is a 12A Littelfuse 454 Series part for time-delay surface-mount protection for power supplies, computing, networking, telecom and industrial electronics; this ordering code uses 12 mm tape and reel, 1000 pcs.

Rated Current12A
Rated Voltage75 V AC/DC
Breaking Capacity50 A @ 72 VAC / 60 VDC; 100 A @ 75 VDC
PackageNANO²

0454012.MR is a Littelfuse 454 Series ordering option rated 12A. It is designed for time-delay surface-mount protection for power supplies, computing, networking, telecom and industrial electronics. NANO²® Slo-Blo® ceramic SMD fuse with silver-plated caps; nominal melting I²t 260.46 A²s; operating temperature -55°C to +125°C. The selected ordering configuration is 12 mm tape and reel, 1000 pcs. Verify coordination, ambient derating and the exact ordering code against the current Littelfuse datasheet before design-in.

Technical Specifications

Part Number
0454012.MR
Manufacturer Part Number
0454012.MR
Series
454 Series
Fuse Type
Surface-Mount Chip Fuse
Current Rating
12A
Voltage Rating
75 V AC/DC
AC / DC
AC/DC
Breaking Capacity
50 A @ 72 VAC / 60 VDC; 100 A @ 75 VDC
I²t
260.46 A²s
Pre-arcing I²t
260.46
Operating Temperature
-55°C to +125°C
Package / Dimensions
NANO²
Mounting
Surface Mount (SMD)
Application
Battery charging systems · Computing · Industrial electronics · Networking · Power supplies · Telecom
Standard
EN 60127-1/-7 · UL/CSA/NMX 248-1 and 248-14
Terminal Type
Silver-plated caps
Fuse Speed
Time-Delay / Slo-Blo
Approvals
Agency approvals vary by rating · CSA · UL
Certifications
UL Recognized; CSA; CE; UKCA; PSE by rating

Downloads