230 Series - 2AG Slo-Blo® Subminiature Axial Leaded Glass Body Fuse

230 Series - 2AG Slo-Blo® Subminiature Axial Leaded Glass Body Fuse
Roll Over to Zoom
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.

Littelfuse 229/230 series Slo-Blo® Fuses are available in 2AG size cartridge or axial lead form, offer tripped fuse indicating option, and offer features designed to meet rigorous Telecom industry requirements. 229/230 series product ordered with the tripped fuse indicating option show discoloration of the glass body immediately after trip. They offer the same performance characteristics as standard product, and help to reduce time locating the tripped fuse and troubleshooting circuit issues. The 229/230 series 0.25A - 1.25A range combines conventional overcurrent protection with ability to withstand high current, short duration pulses which complies to short circuit requirements of UL 60950 for telephone equipment. Insulating sleeve option is also available. Please refer to the Surge Withstand Specifications section of this document for additional information.


  • Available in cartridge and axial lead form, and a wide range of lead forming dimension and packaging options
  • In accordance with UL Standard 248-14
  • RoHS compliant and Lead-free
  • Tripped fuse indicating option (add suffix ‘S’ to part number)
  • Fuses are available for board washable with the additional sealing process (add suffix ‘A’ to part number)
  • Sleeved fuse option available (contact Littelfuse for additional information)

Access specifications, certifications, check availability and order parts below

Catalog #Amps (A)VAC (V)Nominal Melting I2T (A2sec)Resistance
Interrupting RatingBodyMarking CodeMSLMin Operating Temp °CMax Operating Temp (°C)StockSamplesCompare
0230.2500.252500.3392.4310000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
0230.3500.352500.641.3110000A@125VDCGlass BodyMXSContact Littelfuse-60125CheckOrder
0230.3750.3752500.821.168510000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
0230.5000.52501.640.693510000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
0230.6000.62501.750.480510000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
0230.7500.752502.950.34310000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
0230.8000.82503.450.30610000A@125VDCGlass BodyMXSContact Littelfuse-60125CheckOrder
0230001.12505.640.21210000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
0230002.2250300.0697510000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
0230003.3250770.038310000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
0230004.41251480.0258400A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
0230005.51252670.0186400A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
0230006.61253800.0141400A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
0230007.71254640.01159560A@600VACGlass BodyVXSContact Littelfuse-60125CheckOrder
023001.51.5250200.107710000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
023002.52.5250500.0501510000A@125VDCGlass BodyVXContact Littelfuse-60125CheckOrder
023003.53.52501100.031210000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
02301.251.2525016.80.14610000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
02302.252.25250390.0566510000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder

229 230 Series Time Curve

Littelfuse_Suzhou_CQCISO14001icon LF Suzhou_ISO 14001_2015_Nov. 12-2020

Littelfuse_Suzhou_CQCISO9001 2000icon LF Suzhou_ISO_9001_2015_Nov. 12-2020

Littelfuse_Suzhou_ISOTS16949icon 2021-06-25_IATF16949-2016_Suzhou Site

pdf icon Fuse 229 and 230 Datasheet

The 2AG Slo-Blo® Fuses are available in cartridge form or with axial leads...

pdf icon Littelfuse Fuse Accessories Selection Guide

A quick reference guide to selecting holders, blocks and clips for fuse applications...

pdf icon Fuse Selection Guide

A quick reference guide to selecting fuses for electronic applications...

pdf icon Product Selection Guide

Electronics Circuit Protection Product Selection Guide - A guide to selecting Littelfuse circuit protection components for electronic applications...

pdf icon Circuit Protection Technology Application Matrix

Littelfuse is the world leader in the design and manufacturing of fuses for the automotive, industrial, handheld, computer and telecom markets...

pdf icon Electronic Fuse Products Catalog

Littelfuse Electronic Fuse Products Catalog -- Miniature Fuse Products for Overcurrent Protection of Small Electrical and Electrical Applications...