438 Series - 0603 Size Lead-Free, Halogen Free, High Temperature Very Fast-Acting Ceramic Fuse

Roll Over to Zoom
The 438 Series is a 100% Lead-free, RoHS compliant and Halogen-free fuse series designed specifically to provide over-current protection to circuits that operate under high working ambient temperature up to 150°C. The general design ensures excellent temperature stability and performance reliability. The high I²t values which is typical in the Littelfuse Ceramic Fuse family ensure high inrush current withstand capability.

  • Operating Temperature from -55°C to +150°C
  • 100% Lead-free, RoHS compliant and Halogenfree
  • Suitable for both leaded and lead-free reflow / wave soldering
  • Handheld Electronics
  • LCD Displays
  • Battery Packs
  • Hard Disk Drives
  • SD Memory Cards

Access specifications, certifications, check availability and order parts below

Catalog #Amps (A)VDC (V)VAC (V)Nominal Melting I2T (A2sec)Resistance
Interrupting RatingBodyMin Operating Temp °CMax Operating Temp (°C)Marking CodeStockSamplesCompare
0438.2500.2563320.00172.21850A@63VDCCeramic Body-55150CheckOrder
0438.3750.37563320.00411.24750A@63VDCCeramic Body-55150CheckOrder
0438.5000.563320.010.82950A@63VDCCeramic Body-55150CheckOrder
0438.7500.7563320.02810.46650A@63VDCCeramic Body-55150CheckOrder
0438001.163320.05930.3150A@63VDCCeramic Body-55150CheckOrder
0438002.2320.1490.05150A@32VDCCeramic Body-55150NCheckOrder
0438003.3320.29220.025550A@32VDCCeramic Body-55150PCheckOrder
0438004.4320.6920.01750A@32VDCCeramic Body-55150SCheckOrder
0438005.5320.73980.011550A@32VDCCeramic Body-55150TCheckOrder
0438006.6241.38380.008550A@24VDCCeramic Body-55150UCheck
043801.51.563320.09020.17450A@63VDCCeramic Body-55150KCheckOrder
043802.52.532320.19770.032450A@32VDCCeramic Body-55150OCheck
043803.53.532320.47520.020550A@32VDCCeramic Body-55150RCheck
04381.251.2532320.0510.250A@63VDCCeramic Body-55150JCheckOrder
04381.751.7563320.1441.40550A@63VDCCeramic Body-55150LCheckOrder

Littelfuse Fuse 438 Series Data Sheet

pdf icon Littelfuse Fuse Accessories Selection Guide

A quick reference guide to selecting holders, blocks and clips for fuse applications...

pdf icon Fuse Selection Guide

A quick reference guide to selecting fuses for electronic applications...

pdf icon Product Selection Guide

Electronics Circuit Protection Product Selection Guide - A guide to selecting Littelfuse circuit protection components for electronic applications...

pdf icon Circuit Protection Technology Application Matrix

Littelfuse is the world leader in the design and manufacturing of fuses for the automotive, industrial, handheld, computer and telecom markets...

pdf icon Electronic Fuse Products Catalog

Littelfuse Electronic Fuse Products Catalog -- Miniature Fuse Products for Overcurrent Protection of Small Electrical and Electrical Applications...

pdf icon Fuseholder Selection Guide

pdf icon Fuseology Selection Guide

Littelfuse Fuseology Selection Guide