IEC TS 63337:2024

IEC TS 63337:2024 addresses the basic qualification of DC-link film capacitors for automotive use, with an emphasis on general requirements, test conditions, and tests. For engineering, sourcing, and compliance teams, it provides a focused technical reference for evaluating whether a capacitor type is suitable for automotive DC-link applications. By defining a structured basis for verification activities and documented evaluation, IEC TS 63337:2024 helps support technical review, procurement comparison, and conformity assessment preparation.

What is IEC TS 63337:2024?

This document is a technical specification for the basic qualification of DC-link film capacitors intended for automotive use. It is centered on the general requirements and test conditions needed to assess whether these components meet expected performance and reliability expectations in vehicle-related electrical systems. In practical terms, it is relevant to design validation, laboratory evaluation, and technical compliance workflows where capacitor qualification must be assessed against a defined engineering specification and testing standard.

Applications of IEC TS 63337:2024

IEC TS 63337:2024 is typically used in automotive electronics and power conversion workflows where DC-link film capacitors are part of energy transfer or filtering functions. It may support component selection for traction-related electronics, onboard power systems, and other electrically demanding vehicle subsystems. Laboratories, OEMs, and suppliers can use it to align test plans, compare product evaluation results, and document operational consistency across qualification programs. It is also useful during supplier review and technical validation of capacitor designs.

Why is IEC TS 63337:2024 important?

This publication matters because qualification of DC-link film capacitors can affect safety, reliability, and long-term performance in automotive environments. A clear basis for test conditions and acceptance-oriented evaluation helps reduce ambiguity in testing workflows and improves consistency between engineering teams, laboratories, and procurement decisions. IEC TS 63337:2024 also supports risk management by giving organizations a common compliance reference for verification activities, quality assurance, and conformity assessment preparation.

• Defines a structured basis for basic qualification of automotive DC-link film capacitors.
• Supports laboratory testing, engineering validation, and documented evaluation.
• Helps align supplier data, procurement review, and technical compliance checks.
• Provides a reference point for reliability-focused assessment in automotive electrical systems.