688 Series - 6X25mm High Current Fuses

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A 70Vdc rated ceramic fuse with remarkable interrupting rating in a compact 6x25mm package, which is well suited for circuit protection in telecom applications.


  • In accordance with Underwriter’s Laboratories Standard UL 248-14
  • Available in cartridge version
  • RoHS compliant and Lead-free


  • PDU in Telecom Datacenter
  • Wireless Transmission Base Station

Access specifications, certifications, check availability and order parts below

Catalog #Amps (A)VDC (V)Nominal Melting I2T (A2sec)Resistance
BodyMin Operating Temp °CMax Operating Temp (°C)Marking CodeMSLOpeningStockSamples
688030307042000.0021Ceramic Body-55125VXContact LittelfuseSlo-Blo/Time Lag (T)/Time DelayCheckOrder
Catalog # Certificates
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688030 URUL_JDYX8iconLittelfuse_TUV_R50119583icon

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

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