527 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 527 series fuses are specifically designed and tested to meet the circuit protection needs of compact automotive electronics applications. These robust fuses include a 500Vac rating and provide an excellent interrupting rating. AEC-Q200 qualified, the 527 fuses are ideal for the On-Board Chargers (OBCs) in the latest electric vehicle designs. With available through-hole, it’s flexible for PC board.


  • Rated for 500Vac with interrupting rating of 10,000A for 30A-40A, and 305Vac for 50A nominal current rating in a small package
  • AEC-Q200 qualified
  • End caps with integrated stand-off leads
  • Very compact body size of 6x32mm
  • Operating temperature range from -55°C to 125°C


  • On-Board Charger (OBC)

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Access specifications, certifications, check availability and order parts below

Catalog #VAC (V)Nominal Melting I2T (A2sec)Operating TemperaturePartner ECAD ModelsStockSamplesCompare
0527030.P500700-55° to 125°C0527030.PCheckOrder
0527040.P5001090-55° to 125°C0527040.PCheckOrder
0527050.P5002460-55° to 125°C0527050.PCheckOrder
To request product environmental information, please complete the Product Environmental Information Request Form.
Catalog # Certificates
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