IEC 60191-2W:1999

Overview

IEC 60191-2W:1999 represents the twenty-first supplement to the IEC 60191-2 (1966) standard focused on the mechanical standardization of semiconductor devices. Published by the International Electrotechnical Commission (IEC), this supplement specifically addresses important updates and additions relating to the dimensions of semiconductor devices. The IEC 60191-2 series plays a critical role in defining the mechanical dimensions to ensure international uniformity and interchangeability among semiconductor components.

This supplement is intended to be inserted into the original IEC 60191-2 publication, replacing and expanding existing content with new pages and updates to device outline drawings. It reflects ongoing efforts to maintain up-to-date mechanical standards to support the evolving semiconductor industry.

Key Topics

• Mechanical Standardization for Semiconductors: Ensures consistent mechanical dimensions for semiconductor devices, promoting compatibility and interchangeability worldwide.
• Dimensions Specification: Details updated and new recommended dimension values critical for semiconductor device drawings and outlines.
• Device Outline Drawings: Inclusion and revision of device outline drawings with new and updated shapes and codes to represent semiconductor packages.
• Philosophy of Standardization: Emphasizes international cooperation, precision, and continuous review for eliminating unsupported or obsolete designs.
• Supplement Integration: Instructions for incorporating the new sheets into the existing IEC 60191-2 framework, including replacing the title page and preface.
• Obsolete Drawings Management: Procedures for identifying, transferring, and eventually removing outdated semiconductor device drawings from the standard.
• International Cooperation: Highlights contributions from various national committees and international organizations to ensure a globally accepted standard.
• Voting and Approval Process: Reflects transparent consensus-building mechanisms via IEC technical committees and subcommittees (notably subcommittee 47D).

Applications

• Semiconductor Manufacturing: Provides manufacturers with precise mechanical dimensions for designing and producing standard-compliant semiconductor devices.
• Component Design Engineering: Assists engineers in ensuring that device outlines conform to internationally accepted dimensions, facilitating compatibility in assembly and replacement.
• Quality and Compliance Testing: Enables testing laboratories and quality assurance teams to verify mechanical conformity of semiconductor components.
• Automated Assembly & Handling: Promotes mechanical uniformity, simplifying equipment programming and reducing errors in automated semiconductor device handling.
• International Trade and Standardization: Serves as a critical reference for cross-border semiconductor device specification, fostering trade and reducing technical barriers.
• Regulatory Compliance: Supports compliance with national and regional requirements by adopting IEC standards, aiding manufacturers in meeting legal and market expectations.
• Technical Documentation: Provides content for technical datasheets, product catalogs, and engineering documentation requiring standardized mechanical device references.

Related Standards

IEC 60191-2W:1999 is part of a broader family of standards addressing semiconductor devices, specifically mechanical aspects. Related documents include:

• IEC 60191-2 (1966) - Original standard for mechanical standardization of semiconductor devices covering dimensions.
• Other supplements A to V for IEC 60191-2 - Prior updates and supplements to ensure ongoing standard evolution.
• IEC Technical Committee 47 - Covers semiconductor devices broadly, including electrical and mechanical standardization.
• ISO/IEC Joint Standards - Collaboration agreements ensure harmonization with ISO mechanical and electronic component standards.
• IEC 60191-1 - Addresses the general mechanical requirements for semiconductor devices, complementing Part 2’s focus on dimensions.
• IEC Device Outline and Package Standards - Including other documents describing specific package types and mounting methods.

By adhering to IEC 60191-2W:1999 and the entire IEC 60191-2 series, stakeholders in semiconductor manufacturing and design can rely on updated, internationally recognized mechanical standards to achieve uniformity, reduce costs, and streamline interoperability of semiconductor components worldwide. This alignment of mechanical dimensions supports innovation and consistency across the global electronics industry.