What safety certification considerations exist when replacing HV capacitors?

When migrating from legacy brand HV capacitors to HVC equivalents in safety-critical applications (medical, aerospace, automotive), engineers must reassess three key certification dimensions:

1. Creepage and Clearance Distances: Verify that HVC's body dimensions maintain or exceed the original isolation gaps per IEC 60664 / UL 840 standards

2. Dielectric Withstand Voltage: Confirm HVC's 150%-200% flash test margin meets or exceeds the application's safety factor requirement (typically 1.5x – 2x rated)

3. Partial Discharge (PD) Level: Ensure HVC's ≤5pC PD inception threshold complies with IEC 60385.1 or applicable medical device standard (IEC 60601-1)

For medical device replacements, HVC can provide IEC 60601-1 compliant documentation packages including flash test certificates, PD measurement reports, and biocompatibility declarations where required.

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