Quality and Certifications

“Simple Perfection” is the goal of Ametherm’s Total Quality Management program, and everyone at Ametherm is encouraged to simplify processes to achieve perfection. Upper management champions quality, and the Quality Manager is on the board of directors of Ametherm.  The quality personnel’s main function at Ametherm is as a facilitator and liaison for the various functional areas of Ametherm, its vendors, and customers.

Questions or inquiries can be sent to Ametherm here.

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Ametherm’s components are either RoHS Compliant or Compliant with Exemptions           7a and 7c-I as indicated below.

7a: Lead in high melting temperature solders –



7c-I: Electrical and electronic components containing lead in a glass or ceramic other than dielectric ceramic in capacitors –

The element is made up of oxides (Manganese, Copper, Nickel) and those are considered ceramic material. Material breakdowns are available upon request.

Third party testing done by Integrated Service Technology (Renewed July 2018) with documentation available:






Dodd-Frank Act/EICC

We ensure that our Tin and Solder do not come from conflict areas. (CMRT Revision 5.12 is available – last updated on April 26, 2019).

CMRT Declaration

Smelter List


ISO 9001:2015

Please see the certificate below (Recertified on April 5, 2021).

Ametherm ISO 9001:2015

Ametherm is committed to providing its customers with quality products and

services that continually meet and exceed customer expectations.

Ametherm strives to be a zero-defect manufacturer of our thermistor products.

It is our endeavor to provide an ever-improving level of quality products

and services to satisfy our customers.

We take pride in being an ISO-9001 registered company.


UL (File #E209153)

Please see the below link for a full list of UL Certified Ametherm  components:

Ametherm UL Certified Parts


CSA (Ametherm File #CA110861/RTI File #204620)

Please see the below link for a full list of Ametherm’s CSA Certified components:
Ametherm CSA Certified Parts

* RTI CSA File cancelled May 2013, former RTI CSA Part Numbers are broken down below:




We do not use substances on the Global Automotive Declarable Substance List:

GADSL Substances



Ametherm’s components do not contain any of the substances on the SVHC-211 (List last updated on January 19, 2021). List of substances available:



Halogen Free

Cl, Br, F, I, At

All Ametherm Thermistors are Halogen Free.



Mercury Free

Hg All Ametherm Thermistors are Mercury Free per Canadian Regulation SOR/2014-254 which took effect in November 2015.