# Human Body Model Classes

**URL:** https://forum.esda.org/t/human-body-model-classes/596
**Category:** General Discussion
**Created:** [November 11, 2023, 1:53pm UTC](https://forum.esda.org/t/human-body-model-classes/596 "2023-11-11T13:53:48Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![RMGJ](https://forum.esda.org/user_avatar/forum.esda.org/rmgj/32/72_2.png) [@RMGJ](https://forum.esda.org/u/RMGJ)
#### Post date: [November 11, 2023, 1:53pm UTC](https://forum.esda.org/t/human-body-model-classes/596/1 "2023-11-11T13:53:48Z")

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Considering we are using a Human Body Model. What is the most common or advisable class range in a typical production area? What standard can we use as a reference for this class range?

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### Author: ![JohnK](https://forum.esda.org/user_avatar/forum.esda.org/johnk/32/24_2.png) [@JohnK](https://forum.esda.org/u/JohnK)
#### Post date: [November 12, 2023, 12:56pm UTC](https://forum.esda.org/t/human-body-model-classes/596/2 "2023-11-12T12:56:09Z")

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To determine the sensitivity of devices to HBM, the ANSI/ESDA/JEDEC JS-001 defines the classifications. For CDM (Charge Device Model) use ANSI/ESDA/JEDEC JS-002.