804 Series - TE UMF Time-Lag Subminature Fuses

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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 804 Series is a TE UMF, TT time lag type subminiature fuse designed for overcurrent protection. It is 250V rated and designed in accordance to IEC 60127-4.


  • Lead-free and RoHS Compliant
  • Reduced PCB space requirements
  • Direct solderable or plug-in versions
  • Low internal resistance
  • Internally approved
  • Shock safe casing
  • Vibration resistant
  • Halogen Free

  • Battery Charger
  • Consumer Electronics
  • Power Supplies
  • Industrial Controllers

Access specifications, certifications, check availability and order parts below

Catalog #Amps (A)VAC (V)Resistance
Nominal Melting I2T (A2sec)Min Operating Temp (°C)Max Operating Temp (°C)MSLNom
804080000000.82500.188712-40125Contact Littelfuse332218Slo-Blo/Time Lag (T)/Time DelayTE7 12.4x9.2x6.4mmCheckOrder
804080004400.82500.188712-40125Contact Littelfuse332218Slo-Blo/Time Lag (T)/Time DelayTE7 12.4x9.2x6.4mmCheckOrder
8041100000012500.116620-40125Contact Littelfuse324171Slo-Blo/Time Lag (T)/Time DelayTE7 12.4x9.2x6.4mmCheckOrder
8041100044012500.116620-40125Contact Littelfuse324171Slo-Blo/Time Lag (T)/Time DelayTE7 12.4x9.2x6.4mmCheckOrder
804112500001.252500.081630-40125Contact Littelfuse352151Slo-Blo/Time Lag (T)/Time DelayTE7 12.4x9.2x6.4mmCheckOrder
804112504401.252500.081630-40125Contact Littelfuse352151Slo-Blo/Time Lag (T)/Time DelayTE7 12.4x9.2x6.4mmCheckOrder
804116000001.62500.056951-40125Contact Littelfuse464135Slo-Blo/Time Lag (T)/Time DelayTE7 12.4x9.2x6.4mmCheckOrder
804116004401.62500.056951-40125Contact Littelfuse464135Slo-Blo/Time Lag (T)/Time DelayTE7 12.4x9.2x6.4mmCheckOrder
8041200000022500.045880-40125Contact Littelfuse486183Slo-Blo/Time Lag (T)/Time DelayTE7 12.4x9.2x6.4mmCheckOrder
8041200044022500.045880-40125Contact Littelfuse486183Slo-Blo/Time Lag (T)/Time DelayTE7 12.4x9.2x6.4mmCheckOrder
804125000002.52500.0349136-40125Contact Littelfuse675118Slo-Blo/Time Lag (T)/Time DelayTE7 12.4x9.2x6.4mmCheckOrder
804125004402.52500.0349136-40125Contact Littelfuse675118Slo-Blo/Time Lag (T)/Time DelayTE7 12.4x9.2x6.4mmCheckOrder
804131500003.152500.023189-40125Contact Littelfuse818163Slo-Blo/Time Lag (T)/Time DelayTE7 12.4x9.2x6.4mmCheckOrder
804131504403.152500.023189-40125Contact Littelfuse818163Slo-Blo/Time Lag (T)/Time DelayTE7 12.4x9.2x6.4mmCheckOrder
8041400000042500.0174346-40125Contact Littelfuse945128Slo-Blo/Time Lag (T)/Time DelayTE7 12.4x9.2x6.4mmCheckOrder
8041400044042500.0174346-40125Contact Littelfuse945128Slo-Blo/Time Lag (T)/Time DelayTE7 12.4x9.2x6.4mmCheckOrder
8041500000052500.0138748-40125Contact Littelfuse109198Slo-Blo/Time Lag (T)/Time DelayTE7 12.4x9.2x6.4mmCheckOrder
8041500044052500.0138748-40125Contact Littelfuse109198Slo-Blo/Time Lag (T)/Time DelayTE7 12.4x9.2x6.4mmCheckOrder
804163000006.32500.011099-40125Contact Littelfuse112578Slo-Blo/Time Lag (T)/Time DelayTE7 12.4x9.2x6.4mmCheckOrder
804163004406.32500.011099-40125Contact Littelfuse112578Slo-Blo/Time Lag (T)/Time DelayTE7 12.4x9.2x6.4mmCheckOrder

pdf icon Fuse 804 Datasheet

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