FM13 High Reliability Solid Body Fuses

FM13 High Reliability Solid Body Fuses

Product Description


AEM, Inc. is the sole U.S. manufacturer of solid body current limiting fuses produced utilizing thick film technology with subsequent screening and qualification for spacecraft/ satellite applications. AEM, Inc.’s Hi-Rel fuses have been selected by most major space programs and have been in orbit for decades with zero failures.

  • Consistent clearing times achieved at overload currents regardless of vacuum conditions
  • Solid body construction without outgassing and not subjected to the de-rating factors of MIL-STD-975
  • Solid body construction capable of withstanding greater vibration and shock exposure without damage
  • Positive temperature coefficient of fuse element causing resistance to increase (prior to opening) thereby preventing absolute short to the power source
  • Internal construction ensuring that arc, plasma and vapor are contained within the fuse package during overload current conditions
  • Groups A/B data supplied with each shipment and Group C inspection optional


  • Used in military and commercial satellites and spacecraft including manned space vehicles
  • Protection of power supplies, batteries and solar arrays
  • Isolation of redundant and branch circuits
  • Short circuit protection from fired squib and jettison circuitry

Product Properties


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