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Littelfuse Inc.
437 Series
Littelfuse Inc.
437A Series
Littelfuse Inc.
438 Series
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437A Series

Board Mount (Cartridge Style Excluded), Surface Mount, 1206 (3216 Metric), Fast Acting Fuses

Littelfuse Inc.

The 437A Series AEC-Q200 compliant fuses specifically tested to cater to secondary circuit protection needs of compact auto electronics applications. The general design ensures excellent temperature stability and performance stability with high inrush current withstand capability.

  • Fast response to faulty current to ensure over current protection for sensitive electronic components
  • AEC-Q200 compliant
  • Li-ion battery
  • LED lighting
  • Automotive navigation system
  • TFT display
  • Battery management system (BMS)
  • Clusters
  • Breaking Capacity @ Rated Voltage:50A
  • Current Rating (Amps):500mA ~ 4A
  • Fuse Type:Board Mount (Cartridge Style Excluded)
  • Melting I²t:.018 ~ 1.024
  • Mounting Type:Surface Mount
  • Package / Case:1206 (3216 Metric)
  • Response Time:Fast Blow
  • Size / Dimension:0.126" L x 0.064" W x 0.033" H (3.20mm x 1.63mm x 0.84mm)
  • Voltage Rating - AC:32V ~ 63V
  • Voltage Rating - DC:35V ~ 63V

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0437002.WRA0437002.WRAFUSE BRD MNT 2A 63VAC/VDC -----RoHS
04371.75WRA04371.75WRAFUSE BRD MNT 1.75A 63VAC/VDC -----RoHS
04371.25WRA04371.25WRAFUSE BRD MNT 1.25A 63VAC/VDC -----RoHS
043703.5WRA043703.5WRAFUSE BRD MNT 3.5A 32VAC/35VDC -----RoHS
0437004.WRA0437004.WRAFUSE BRD MNT 4A 32VAC/35VDC Surface MountBoard Mount (Cartridge Style Excluded)4A32V1206 (3216 Metric)RoHS
0437.750WRA0437.750WRAFUSE BRD MNT 750MA 63VAC/VDC Surface MountBoard Mount (Cartridge Style Excluded)750mA63V1206 (3216 Metric)RoHS
0437.500WRA0437.500WRAFUSE BRD MNT 500MA 63VAC/VDC Surface MountBoard Mount (Cartridge Style Excluded)500mA63V1206 (3216 Metric)RoHS
0437001.WRA0437001.WRAFUSE BRD MNT 1A 63VAC/VDC Surface MountBoard Mount (Cartridge Style Excluded)1A63V1206 (3216 Metric)RoHS
043701.5WRA043701.5WRAFUSE BRD MNT 1.5A 63VAC/VDC Surface MountBoard Mount (Cartridge Style Excluded)1.5A63V1206 (3216 Metric)RoHS
043702.5WRA043702.5WRAFUSE BRD MNT 2.5A 32VAC/35VDC Surface MountBoard Mount (Cartridge Style Excluded)2.5A32V1206 (3216 Metric)RoHS
0437003.WRA0437003.WRAFUSE BRD MNT 3A 32VAC/35VDC Surface MountBoard Mount (Cartridge Style Excluded)3A32V1206 (3216 Metric)RoHS

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