IEC 61189-3:2007

Overview

IEC 61189-3:2007 is the IEC catalogue of standardized test methods for interconnection structures (printed boards / PCBs). Edition 2.0 (2007) provides a self-contained set of methodologies and procedures to test materials and assemblies used to manufacture printed boards and other interconnection structures. The document groups methods for consistent, reproducible testing and incorporates 25 new tests in this edition to address evolving industry needs.

Key topics

The standard organizes test methods by functional groups (group code + number) and includes detailed procedures, figures and worked examples to ensure repeatability:

• Preparation / Conditioning (P) – specimen handling and conditioning prior to testing.
• Visual (V) – surface and appearance inspections (new tests: 3V01, 3V02, 3V03).
• Dimensional (D) – geometry and feature measurements (new test: 3D03).
• Chemical (C) – chemical analyses and flux/surface-chemistry methods (new tests: 3C02, 3C13, 3C14).
• Mechanical (M) – mechanical integrity, peel, bend and related tests (new tests: 3M01, 3M03, 3M04, 3M07, 3M09).
• Electrical (E) – continuity, insulation, contact and high-voltage methods (new tests: 3E03, 3E04, 3E05, 3E11, 3E12, 3E13, 3E16, 3E17, 3E18).
• Environmental (N) – thermal, humidity and stress testing (new tests: 3N03, 3N07, 3N12).
• Miscellaneous (X) – other test types (new test: 3X01).

The standard emphasizes accuracy, precision and resolution, and contains diagrams (glow wire, flame tests, peel fixtures, waveforms, etc.) and an informative annex with worked examples.

Applications

IEC 61189-3 is practical for professionals and organizations involved in PCB and interconnection structure development, testing and qualification:

• PCB designers specifying testable features and reliability criteria.
• Test engineers & laboratories implementing standard test procedures for acceptance and qualification.
• Quality assurance / compliance teams preparing vendor specs and production inspections.
• Manufacturers and assemblers assessing materials, surface finishes, solderability, and environmental robustness.
• R&D teams validating new materials or processes against established methods.

Using IEC 61189-3 helps ensure reproducible results, consistent pass/fail evaluation, and alignment with international best practice for PCB testing.

Related standards

Use IEC 61189-3 alongside other parts of the IEC 61189 series (Part 1: general methodology; Part 2: materials for interconnection structures; Part 5: printed board assemblies; Part 6: materials for electronic assemblies) and established environmental test standards such as IEC 60068.

Keywords: IEC 61189-3, PCB test methods, printed board testing, interconnection structures, electrical materials, mechanical tests, environmental testing, chemical tests, visual inspection, dimensional measurement.