IEC 60747-2:2016

Overview

IEC 60747-2:2016 is an internationally recognized standard published by the International Electrotechnical Commission (IEC) that specifies requirements for discrete semiconductor rectifier diodes. As the second part of the IEC 60747 series, this standard addresses key categories such as line rectifier diodes, avalanche rectifier diodes, fast-switching rectifier diodes, and Schottky barrier diodes. IEC 60747-2:2016 serves to unify definitions, essential ratings, characteristics, measuring and test methods, and marking requirements for rectifier diodes, thereby promoting consistency and reliability in global semiconductor device applications.

Key Topics

IEC 60747-2:2016 covers:

• Categories of rectifier diodes:
  • Line rectifier diodes
  • Avalanche rectifier diodes
  • Fast-switching rectifier diodes
  • Schottky barrier diodes (notably added in this third edition)
• Terms and definitions: Standardized terminology related to diodes, voltages, currents, power dissipation, and switching characteristics.
• Letter symbols: Comprehensive lists of symbols for voltages, currents, and powers relevant to rectifier diodes.
• Essential ratings and characteristics: Guidelines for key ratings such as storage temperature, forward and reverse voltages and currents, surge capabilities, and thermal metrics.
• Measuring and test methods: Standardized procedures for electrical and thermal characteristic measurements, endurance tests, and reliability assessments.
• Marking and identification: Requirements for the proper marking and traceability of rectifier diode products.

Applications

IEC 60747-2:2016 is widely applied in:

• Component specification and procurement: Ensures that rectifier diodes sourced globally meet unified performance and reliability benchmarks.
• Product design and manufacturing: Assists electrical and electronics engineers in selecting and integrating rectifier diodes that conform to international standards and support robust device operation.
• Quality assurance and testing: Provides a clear framework for testing diode characteristics, confirming durability, and executing endurance tests during production and inspection.
• Market access and compliance: Facilitates entry into global markets by verifying that products align with internationally accepted standards, benefiting manufacturers, distributors, and end-users.
• Maintenance and replacement: Supports service professionals in identifying suitable replacement diodes through standardized ratings and markings.

Related Standards

• IEC 60747-1: General requirements for semiconductor devices. IEC 60747-2 is used in conjunction with this foundational part of the series.
• IEC 60749-23: Standards for mechanical and climatic test methods, including high temperature operating life for semiconductor devices.
• IEC 60749-34: Procedures focused on power cycling tests for semiconductor devices.
• IEC 60050-521: International Electrotechnical Vocabulary, providing standardized terminology for semiconductor devices and integrated circuits.

By providing a harmonized approach for specifying, testing, and marking discrete semiconductor diodes, IEC 60747-2:2016 enables higher confidence in the performance, safety, and reliability of power conversion, rectification, and switching applications across industries. This standard is essential for manufacturers, engineers, and procurement professionals striving for compliance and quality in semiconductor devices.