Varistor Metal Oxide Varistor Products Page 21 Varistor Metal-Oxide Varistor Products

2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 09/14/17 Metal-Oxide Varistors (MOVs) AGENCY AND SPECIFICATION NUMBER UL CSA VDE IEC DSSC SERIES UL1449 UL497B 22.2-1 IEC 61051-1 and 61051-2 Annex Q MIL, QPL Surface Mount MOVs: CH X SM7 Note 1 SM20 Note 1 Radial Lead MOVs: TMOV 14mm and 20mm X Note 1 TMOV 25mm X UltraMOV X Note 1 25S UltraMOV X C-III X Note 1 LA X Note 1 ZA Note 1 X Note 1 Industrial / High Energy MOVs: BA X BB DA/DB X HA, HC X TMOV 34mm X HB, HF, HG, DHB X X CA60 Disk Special / Application Speciric MOVs: MA RA Note 1 X Note 1 HI REL, QPL Parts X NOTES: 1) Applies to certain models only, see specific product Data Sheet for details. Not all types within each series are applicable for recognition. Not all Littelfuse Varistors products require safety listing due to their low operating voltage and intended applications. These includes ML, MLN, MLE, MHS surface mount (leadless) devices. The information provided is accurate at the time of printing. Changes can occur based upon new products offered by Littelfuse, revision of an existing standard, or introduction of a new standard or agency requirement. Contact Littelfuse Sales for latest information. Agency Standards (continued)

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