MOV Standards and Approvals: IEC 61051, IEC 61643 and UL 1449
“Compliant MOV” can mean very different things depending on whether the subject is a component, a complete piece of equipment...
Standards
IEC 61000-4-5 Surge Test Explained: Waveforms, Coupling and Interpretation
IEC 61000-4-5 is an electromagnetic compatibility (EMC) immunity test for equipment exposed to surge transients. It defines a repeatable laboratory...
MOV Surge Waveforms Explained: 8/20 μs, 10/1000 μs and IEC 61000-4-5
Understand how common surge waveforms differ, why MOV ratings cannot be transferred between them, and how component pulse ratings relate...
