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Littelfuse

Littelfuse 0453.630NR 0.63A 125V Very Fast NANO² SMD Fuse

Part Number: 0453.630NR

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Selected for board-level protection, Littelfuse 0453.630NR is a 0.63A 125V very-fast NANO² fuse in a 2410 surface-mount package.

Rated Current0.63A
Rated Voltage125V AC/DC
Breaking Capacity50A @ 125VAC/VDC; 300A @ 32VDC
PackageSMD 2410

As a cataloged protection device, Littelfuse 0453.630NR is a 0.63A, 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 0.1381 A²s. Match the current, voltage and interrupting level to the protected circuit before installation. Use the complete ordering code to preserve packaging or lead-format options during replacement.

Technical Specifications

Part Number
0453.630NR
Manufacturer Part Number
0453.630NR
Series
453 Series
Fuse Type
NANO² Very Fast-Acting SMD Fuse
Current Rating
0.63A
Voltage Rating
125V AC/DC
AC / DC
AC/DC
Breaking Capacity
50A @ 125VAC/VDC; 300A @ 32VDC
I²t
Nominal melting I²t: 0.1381 A²s
Pre-arcing I²t
0.1381
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
NR
Tape-and-reel quantity
5000 pcs
Moisture Sensitivity Level
MSL 1
Nominal melting I²t
0.1381 A²s

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