526 Series - High Current & Voltage Cartridge 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 526 series fuses are specifically designed and tested to meet the circuit protection needs of compact automotive electronics applications. These robust fuses include a 500 Vac/Vdc rating and provide an excellent interrupting rating. AEC-Q200 qualified, the 526 fuses are ideal for the On-Board Chargers (OBCs) and Power Distribution Units (PDUs) in the latest electric vehicle designs. With available through-hole and bolt-down versions, it’s flexible for either PC board or screw assembly.


  • Rated for 500 Vac/Vdc with interrupting rating of 10,000A for 30A-50A nominal current rating, 500Vdc/300Vac for 60A in a small packag
  • AEC-Q200 qualified
  • End caps with integrated stand-off leads & bolt down
  • Compact body size of 10x32mm
  • Operating temperature range from -55°C to 125°C


  • On-Board Charger (OBC)
  • Power Distribution Unit (PDU)

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Access specifications, certifications, check availability and order parts below

Catalog #VAC (V)Nominal Melting I2T (A2sec)Operating TemperaturePartner ECAD ModelsStockSamplesCompare
0526030.P5001070-55° to 125°C0526030.PCheckOrder
0526040.P5002340-55° to 125°C0526040.PCheckOrder
0526050.P5003850-55° to 125°C0526050.PCheckOrder
0526060.P3006290-55° to 125°C0526060.PCheckOrder
Catalog # Certificates
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