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IRC / Welwyn / TT Electronics CHP Series End of Life Alternatives

With end of life announcements, DMTL look to find suitable alternatives and have highlighted the below series types from Firstohm as viable replacements for the IRC / Welwyn / TT Electronics CHP Series.

CHP Metal Glaze Resistor Substitute

Products we can offer include  CHP1/8, CHP1/2, CHP1, CHP2 equivalents and many more.

DMTL is a fully franchised, authorised Firstohm distributor and have enjoyed a successful relationship for many years. 

Whilst every effort has been employed to ensure the accuracy of these suggested alternatives, the information contained within is for the purpose of consideration only. It’s solely the user’s responsibility to determine the suitability of any suggested device for the intended application. In every instance DMTL recommends full validation of any suggested device, via the assessment of samples

We would suggest that these CHP Series resistor alternatives are sampled so please do get in touch if you would like more information or request free of charge samples!

Referenced Series


Style Referenced

Firstohm Series



CHP General IRC / TT Same style MM Series MELF


CHP Low Resistance IRC / TT Same style CSM Series MELF / Low Resistance Download
CHP Power IRC / TT Same style EFP/SFP Series MELF / High Power Download
CHP Surge IRC / TT Same style SRM/MRM Series MELF / Anti-surge Download