IPC 7351B PDF

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DRM is included at the request of the publisher, as it helps them protect their copyright by restricting file sharing. Visit FileOpen to see the full list. Our policy towards the use of cookies Techstreet, a Clarivate Analytics brand, uses cookies to improve your online experience.

They were placed on your computer when you launched this website. You can change your cookie settings through your browser. Request Free Trial. Language: English Chinese. Full Description Please note: This publication formerly included a land pattern calculator. As of , IPC has discontinued this calculator from purchase. The standard provides printed board designers with an intelligent land pattern naming convention, zero component rotations for CAD systems and three separate land pattern geometries for each component that allow the user to select a land pattern based on desired component density.

Revision B now includes land pattern design guidance and rules for component families such as resistor array packages, aluminum electrolytic capacitors, column and land grid arrays, flat lead devices SOFL and SOTFL and dual flat no-lead DFN devices. The revision also discusses the usage of thermal tabs and provides a new padstack naming convention that addresses the shape and dimensions of lands on different layers of printed boards.

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IPC-7351B Generic Requirements for Surface Mount Design and Land Pattern Standard

Manage My Account. The recently-released IPCB brings a number of enhancements for surface mount designs, making it simpler for developers to create land patterns for both active and passive components. The standard comes with an enhanced Land Pattern Calculator that simplifies the task of creating mounting platforms that match component terminal arrangement and configuration. Designers can create land patterns for more than 5, popular parts included in the component family descriptions explained in the standard as well as for a vast array of other customized component packages. One of the major new aspects of the specification is its enhanced Land Pattern Calculator. Version The volume will vary for J-leads, gull wings and other styles.

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The tool also allows for modification of dimensional attributes of IPC approved land patterns. The standard provides printed board designers with an intelligent land pattern naming convention, zero component rotations for CAD systems and three separate land pattern geometries for each component that allow the user to select a land pattern based on desired component density. The revision also discusses the usage of thermal tabs and provides a new padstack naming convention that addresses the shape and dimensions of lands on different layers of printed boards. Released June

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