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JEDEC

STANDARD

Temperature Range and

Measurement Standards for

Components and Modules

JESD402-1A

March 2022

JEDEC SOLID STATE TECHNOLOGY ASSOCIATION

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JEDEC

JEDEC Standard No. 402-1A

-i-

TEMPERATURE RANGE AND MEASUREMENT STANDARDS FOR COMPONENTS AND

MODULES

Contents

Page

Foreword ...................................................................................................................................................... iii

Introduction .................................................................................................................................................. iii

1 Scope ..................................................................................................................................................... 1

2 Normative Reference ............................................................................................................................ 1

3 Terms and Definitions .......................................................................................................................... 2

3.1 Terms ................................................................................................................................................ 2

3.2 Keywords .......................................................................................................................................... 2

3.3 Abbreviations .................................................................................................................................... 3

3.4 Conventions ...................................................................................................................................... 3

4 Temperature Definitions ....................................................................................................................... 4

4.1 Package Case Surface Temperature .................................................................................................. 4

4.2 Operating Case Temperature ............................................................................................................ 4

4.3 Package Ambient Temperature ......................................................................................................... 4

4.4 Operating Ambient Temperature ...................................................................................................... 4

4.5 Storage Temperature ......................................................................................................................... 4

5 Operating Temperature Ranges and Abbreviations .............................................................................. 5

5.1 Examples of Operating Case Temperature ....................................................................................... 7

5.2 Examples of Operating Ambient Temperature ................................................................................. 8

6 Storage Temperature Ranges and Abbreviations .................................................................................. 9

6.1 Examples of Storage Temperature .................................................................................................. 10

Annex A - (Informative) Differences Between JESD402-1 and JESD402-1A .......................................... 12