429.125 - 429 Series

Series: 429      Obsolete: 2009-03-18      Replaced By: 0466.125NR0466.125 Questions? Contact Littelfuse Support
429
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OBSOLETE with the exception of the 7A RoHS device.

The 429 Series Fast-Acting SMF is a small (1206 size) thinfilm device designed for secondary protection of circuits 
used in space constrained applications such as hand-held 
portable electronic devices. 
This series is Halogen-Free, Lead-Free and meets the 
requirements of the RoHS directive


Features:

  • RoHS compliant andLead-Free 7A device available-add ‘L’ suffix to part number.
  • Halogen-Free 7Adevice available-add ‘HF’ suffix to the part number
  • For new designs up to 5A please consult the 433 or 466 Series
Property (Mouseover for details) Value
Ampere Rating (A) 0.125
Body Epoxy Substrate
Nominal Melting I2T (A2sec) 0.0002
Interrupting Rating 50A@125VDC
Min Operating Temp °C -55
Max Operating Temp (°C) 90
Nominal Cold Resistance (Ohms) 2.3
Opening Very Fast-Acting (FF)
Package Size 1206 (3216)

PCN EFU100 3_PCN Obs_Non RoHS_Thin Film fuse_032708icon Non RoHS Thin Film Fuse Obsoletion

PCN# EFU100-3 Littelfuse Inc. would like to inform customers that it will cease production of its Non-RoHS compliant and lead based Surface Mount Thin Film Fuses products on December 31 2008. The product series impacted are the following. Thin Film Fuse Series - 0430, 0433, 0434 and the 0429xxx.WRM series. The final date for which orders will be taken is September 30, 2008. In all cases Littelfuse has RoHS and Lead-Free alternative series now available . The most up to date information on these series can be found on the Littelfuse website, http://www.littelfuse.com/. Littelfuse Inc is implementing this change so that it can continue to pursue a policy of manufacturing and selling "Green" products.

Littelfuse_Phils_ISO9001_102407icon Philipines ISO 90012000

PhilsISO14001Certificateicon Phils ISO 14001 2004

csa CSA_1422-01_029862

429icon Fuse 429 Datasheet

The 429 Series Fast-Acting SMF is a small (1206 size) thinfilm device designed for secondary protection of circuits used in space constrained applications such as hand-held portable electronic devices...

EC611 Circuit Protection for Lithium Ion and Lithium Polymer Rechargeable Battery Applications

This application note summarizes how the increased use of Lithium-Ion and Lithium Polymer battery packs in applications where user safety is critical, the implementation of secondary protection circuits will ensure an unsurpassed level of safety with minimal cost impact.

429 Series Time Curve Data

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