422A Series - 2410 Fast Acting Fuse

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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 422A is a 250 V rated Wire-in-Air Surface Mount AECQ-compliant fuse are specifically tested to cater to secondary circuit protection needs of compact auto electronics applications. The wire-in-air design of the 422A Series results in a relatively high I²t in a 2410 size.


  • Operating Temperature from -55° C to 125° C
  • 100% Lead-free, Halogen-free and RoHS compliant
  • Fast acting
  • Meets Littelfuse's automotive qualification*
  • Recognized to UL/CSA/NMX 248-1 and UL/CSA/NMX 248-14
  • Conforms to EN/IEC 60127-1 and EN/IEC 60127-7
  • Conforms to J60127-1 and J60127-7

* Largely based on Littelfuse internal AEC-Q200 test plan for DC application.


  • Li-Ion Battery
  • LED Lighting Automotive Navigation System
  • Battery Management System (BMS)
  • Cluster

Access specifications, certifications, check availability and order parts below

Catalog #VDC (V)VAC (V)Nominal Melting I2T (A2sec)Resistance
BodyOpeningOperating TemperaturePartner ECAD ModelsStockSamplesCompare
422_75A2502500.2820.137Epoxy SubstrateFast-Acting (F)-55° to 125°C422-75ACheckOrder
422001A2502500.6110.0994Epoxy SubstrateFast-Acting (F)-55° to 125°C422001ACheckOrder
422002A2502502.850.0453Epoxy SubstrateFast-Acting (F)-55° to 125°C422002ACheckOrder
422003A1251252.090.0223Epoxy SubstrateFast-Acting (F)-55° to 125°C422003ACheckOrder
422004A1251253.60.0168Epoxy SubstrateFast-Acting (F)-55° to 125°C422004ACheckOrder
422005A1251255.90.0137Epoxy SubstrateFast-Acting (F)-55° to 125°C422005ACheckOrder
42201_5A2502501.620.0589Epoxy SubstrateFast-Acting (F)-55° to 125°C42201-5ACheckOrder
42202_5A1251251.290.0278Epoxy SubstrateFast-Acting (F)-55° to 125°C42202-5ACheckOrder
42203_5A1251252.820.0192Epoxy SubstrateFast-Acting (F)-55° to 125°C42203-5ACheckOrder
4221_25A2502501.090.0734Epoxy SubstrateFast-Acting (F)-55° to 125°C4221-25ACheckOrder
4223_15A1251252.40.0213Epoxy SubstrateFast-Acting (F)-55° to 125°C4223-15ACheckOrder
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