430 Series - 1206 Slo-Blo® Thin-Film Fuse

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Disclaimer Notice

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 430 series time-lag (Slo-Blo) surface mount fuse series is a small (1206 size) thin-film device designed for secondary protection of circuits used in space constrained applications such as hand-held portable electronic devices.

For RoHS compliant and lead-free design, please refer to the Littelfuse 468 series thin film fuse. 


  • For RoHS compliant and Lead-Free designs use 468 series
  • Time delay feature withstands high in-rush currents and prevents nuisance openings
  • Package is visually distinct from fast-acting version for easy identification
  • Top side marking allows visual verification of amperage rating

Access specifications, certifications, check availability and order parts below

Catalog #VDC (V)VAC (V)Nominal Melting I2T (A2sec)Resistance
BodyOpeningOperating TemperaturePartner ECAD ModelsCompare
Obsolete: 2008 -11-16
Replaced By: 0468.500
63630.03050.25Epoxy SubstrateSlo-Blo/Time Lag (T)/Time Delay-55° to 90°C0430.500
Obsolete: 2008 -11-16
Replaced By: 0468001.
63630.1440.097Epoxy SubstrateSlo-Blo/Time Lag (T)/Time Delay-55° to 90°C0430001.
Obsolete: 2008 -11-16
Replaced By: 0468002.
63630.4940.039Epoxy SubstrateSlo-Blo/Time Lag (T)/Time Delay-55° to 90°C0430002.
Obsolete: 2008 -11-16
Replaced By: 0468003.
32321.330.02Epoxy SubstrateSlo-Blo/Time Lag (T)/Time Delay-55° to 90°C0430003.
Obsolete: 2008 -11-16
Replaced By: 046801.5
63630.2980.056Epoxy SubstrateSlo-Blo/Time Lag (T)/Time Delay-55° to 90°C043001.5
To request product environmental information, please complete the Product Environmental Information Request Form.

tc-icon 430 Series Time Curve Data

pdficon Non RoHS Thin Film Fuse Obsoletion

PCN# EFU100-3

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