0977010. - 977 Series

Series: 977
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Fuse 977 Image
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Disclaimer Notice

Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

The 977 Series is a ceramic-base 5x20mm-size fuse series with a 500VAC/450VDC rating. It is designed for circuit protection in both high-power AC and power-efficient applications. With its DC and AC characteristics, the 977 Series is sutable for high energy or power efficient applications and 3-phase power supplies protection. 


  • DC interrupting current
  • 100% Lead-Free and RoHS compliant

  • Input of 3-phase power supply
  • Inverter in LCD backlight unit
  • DC side of air-conditioners

Property (Mouseover for details) Value
Body Ceramic
Nominal Melting I2T (A2sec) 249
Nominal Cold Resistance (Ohms) 0.0072
Opening Slo-Blo/Time Lag (T)/Time Delay
VAC (V) 500
VDC (V) 450
Partner ECAD Models 0977010.
Operating Temperature -55° to 125°C

METIicon UL_NBK040609-JP1021D

METIicon UL_NBK040609-JP1021C

cURicon cUR_JDYX8_E10480_104256219

URicon UR_JDYX2_E10480_104256219

pdficon Fuse 977 Datasheet

450Vdc/500Vac rated 5x20mm Time-Lag surge withstand ceramic body cartridge fuse...

pdficon 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...

Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
0977010.MXEP FUSE 500Vac 450Vdc 5x20 TL PT 10A RoHS No 01/01/2001 PbFree No 01/01/2001 No
0977010.MXP FUSE 500Vac 450Vdc 5x20 TL 10A RoHS No 01/01/2001 PbFree No 01/01/2001 No
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