IEC 60191-6-1:2001
(Main)Mechanical standardization of semiconductor devices - Part 6-1: General rules for the preparation of outline drawings of surface mounted semiconductor device packages - Design guide for gull-wing lead terminals
Mechanical standardization of semiconductor devices - Part 6-1: General rules for the preparation of outline drawings of surface mounted semiconductor device packages - Design guide for gull-wing lead terminals
Covers the requirements for the design rule of terminal shape plastic packages with gull-wing leads (e.g. QFP, SOP, SSOP, TSOP, etc.)
General Information
- Status
- Published
- Publication Date
- 29-Oct-2001
- Technical Committee
- SC 47D - Semiconductor devices packaging
- Drafting Committee
- WG 2 - TC 47/SC 47D/WG 2
- Current Stage
- PPUB - Publication issued
- Start Date
- 30-Oct-2001
- Completion Date
- 15-Dec-2001
Overview
IEC 60191-6-1:2001 specifies the general rules for the preparation of outline drawings for surface mounted semiconductor device packages with gull-wing lead terminals. Developed by the International Electrotechnical Commission (IEC), this standard aims to unify the design practices for terminal shape plastic semiconductor packages such as QFP (Quad Flat Package), SOP (Small Outline Package), SSOP (Shrink Small Outline Package), TSOP (Thin Small Outline Package), and others. By establishing consistent mechanical design criteria, the standard ensures improved compatibility and reliability in the manufacturing and integration of these electronic components.
Key Topics
- Scope of Application: IEC 60191-6-1 applies to terminal shape plastic packages with gull-wing leads, classified as Form E in the IEC 60191-4 standard.
- Gull-Wing Lead Definition: The standard defines a gull-wing lead as a compliant lead bent down from the package body with a foot extending away from the package, a common form for surface mount devices.
- Outline Dimensions: Specifies dimensional requirements, including package height, stand-off height, terminal width, and thickness across various package pitches.
- Terminal Shape Guidance: Offers standard dimensions and range guidelines for lead formation, length of soldered portions, flat regions, and terminal angle.
- Tolerances: Provides limits for the position and coplanarity of terminal centers to ensure proper mounting and soldering during assembly.
- References to Related Standards: The document is closely aligned with IEC 60191-4 and IEC 60191-6, supporting consistent classification and outline drawing across semiconductor device packages.
Applications
IEC 60191-6-1 is vital for the following stakeholders in the electronics and semiconductor industries:
- Component Manufacturers: Ensures uniformity in the mechanical design of gull-wing leads, streamlining mass production and improving quality control for packages like QFP, SOP, SSOP, and TSOP.
- PCB Designers & Assemblers: Provides essential guidance for printed circuit board (PCB) layout and component placement, ensuring compatibility and solderability of surface mounted devices.
- Equipment Suppliers: Facilitates the development of automated assembly and inspection systems by defining standardized lead geometries and tolerances.
- Quality Assurance: Supports industry best practices for mechanical reliability, reducing the risk of soldering defects and mechanical stress during product operation.
Typical use cases include
- High-density PCBs for consumer electronics, computing, and telecommunications devices
- Automated production lines requiring precise component shape and placement
- International trade and procurement, where compatibility with global standards is essential
Related Standards
Several international standards complement and support IEC 60191-6-1:
- IEC 60191-4: Classification and coding system for semiconductor device package outlines; provides the package form references.
- IEC 60191-6: General rules for the preparation of outline drawings for surface mounted packages, of which IEC 60191-6-1 is a specific extension for gull-wing leads.
- JIS and JEDEC Standards: Regional and industry-specific standards often harmonized with or derived from IEC 60191, facilitating global interoperability.
- ISO/IEC Directives: Ensure that the preparation and maintenance of IEC 60191-6-1 follow internationally accepted consensus and procedures.
Practical Value
Adherence to IEC 60191-6-1 promotes global compatibility, reduces design discrepancies, and enables more reliable and efficient manufacturing, assembly, and operation of surface mounted semiconductor devices. This standard is crucial for companies targeting international markets and seeking consistent mechanical quality for gull-wing lead packages across diverse applications. By relying on these standardized rules, organizations can minimize risks and costs associated with non-standard designs, boosting competitiveness in the rapidly evolving electronics industry.
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IEC 60191-6-1:2001 - Mechanical standardization of semiconductor devices - Part 6-1: General rules for the preparation of outline drawings of surface mounted semiconductor device packages - Design guide for gull-wing lead terminals
Frequently Asked Questions
IEC 60191-6-1:2001 is a standard published by the International Electrotechnical Commission (IEC). Its full title is "Mechanical standardization of semiconductor devices - Part 6-1: General rules for the preparation of outline drawings of surface mounted semiconductor device packages - Design guide for gull-wing lead terminals". This standard covers: Covers the requirements for the design rule of terminal shape plastic packages with gull-wing leads (e.g. QFP, SOP, SSOP, TSOP, etc.)
Covers the requirements for the design rule of terminal shape plastic packages with gull-wing leads (e.g. QFP, SOP, SSOP, TSOP, etc.)
IEC 60191-6-1:2001 is classified under the following ICS (International Classification for Standards) categories: 31.080.01 - Semiconductor devices in general. The ICS classification helps identify the subject area and facilitates finding related standards.
IEC 60191-6-1:2001 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
INTERNATIONAL IEC
STANDARD
60191-6-1
First edition
2001-10
Mechanical standardization of semiconductor
devices –
Part 6-1:
General rules for the preparation of outline
drawings of surface mounted semiconductor
device packages –
Design guide for gull-wing lead terminals
Normalisation mécanique des dispositifs à semi-conducteurs –
Partie 6-1:
Règles générales pour la préparation des dessins
d'encombrement des dispositifs à semiconducteurs pour
montage en surface –
Guide de conception pour les boîtiers à broches
en forme d'ailes de mouette
Reference number
Publication numbering
As from 1 January 1997 all IEC publications are issued with a designation in the
60000 series. For example, IEC 34-1 is now referred to as IEC 60034-1.
Consolidated editions
The IEC is now publishing consolidated versions of its publications. For example,
edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the base publication, the
base publication incorporating amendment 1 and the base publication incorporating
amendments 1 and 2.
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INTERNATIONAL IEC
STANDARD
60191-6-1
First edition
2001-10
Mechanical standardization of semiconductor
devices –
Part 6-1:
General rules for the preparation of outline
drawings of surface mounted semiconductor
device packages –
Design guide for gull-wing lead terminals
Normalisation mécanique des dispositifs à semi-conducteurs –
Partie 6-1:
Règles générales pour la préparation des dessins
d'encombrement des dispositifs à semiconducteurs pour
montage en surface –
Guide de conception pour les boîtiers à broches
en forme d'ailes de mouette
IEC 2001 Copyright - all rights reserved
No part of this publication may be reproduced or utilized in any form or by any means, electronic or
mechanical, including photocopying and microfilm, without permission in writing from the publisher.
International Electrotechnical Commission 3, rue de Varembé Geneva, Switzerland
Telefax: +41 22 919 0300 e-mail: inmail@iec.ch IEC web site http://www.iec.ch
Commission Electrotechnique Internationale
PRICE CODE
G
International Electrotechnical Commission
For price, see current catalogue
– 2 – 60191-6-1 IEC:2001(E)
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
MECHANICAL STANDARDIZATION OF SEMICONDUCTOR DEVICES –
Part 6-1: General rules for the preparation of outline drawings
of surface mounted semiconductor device packages –
Design guide for gull-wing lead terminals
FOREWORD
1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of the IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
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International Standard IEC 60191-6-1 has been prepared by subcommittee 47D: Mechanical
standardization of semiconductor devices, of
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