229 Series - 2AG Slo-Blo® Subminiature Glass Body Fuse

229 Series - 2AG Slo-Blo® Subminiature Glass Body 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 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
0229.2500.252500.3392.4310000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
0229.3500.352500.641.3110000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
0229.3750.3752500.821.168510000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
0229.5000.52501.640.693510000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
0229.6000.62501.750.480510000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
0229.7500.752502.950.34310000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
0229.8000.82503.450.30610000A@125VDCGlass BodyMXContact Littelfuse-60125CheckOrder
0229001.12505.640.21210000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
0229002.2250300.0697510000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
0229003.3250770.038310000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
0229004.41251480.0258400A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
0229005.51252670.0186400A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
0229006.61253800.0141400A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
0229007.71254640.011595400A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
022901.51.5250200.107710000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
022902.52.5250500.0501510000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
022903.53.52501100.031210000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
02291.251.2525016.80.14610000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder
02292.252.25250390.0566510000A@125VDCGlass BodyVXSContact Littelfuse-60125CheckOrder

229 230 Series Time Curve

Littelfuse_Suzhou_CQCISO14001icon Suzhou CQC ISO 14001

Littelfuse_Suzhou_CQCISO9001 2000icon Suzhou CQC ISO 90012000 GBT 19001 2000

Littelfuse_Suzhou_ISOTS16949icon Suzhou ISOTS 16949

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