97-252 datasheet(3/64 Pages) LSTD

3 / 64 page

TABLE OF CONTENTS

1.1

www.lairdtech.com

IMPORTANT SHIELDING SELECTION CONSIDERATIONS

VISUAL PART NUMBER REFERENCE GUIDE . . . . . . . . . 1-2

PART NUMBER CROSS REFERENCE. . . . . . . . . . . . . . . . 1-4

MOUNTING METHODS . . . . . . . . . . . . . . . . . . . . . . . . . 1-10

ORDERING INFORMATION. . . . . . . . . . . . . . . . . . . . . . 1-11

FINGERSTOCK GASKETS AND METAL

GROUNDING PRODUCTS

Slot Mount Series. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Dual Slot Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

Compact PCI Symmetrical Mount . . . . . . . . . . . . . . . . . . . . 2-4

Alternate Slot Series. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

Variable Slot Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

No Snag Gasket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

Symmetrical (S3) Slotted Shielding. . . . . . . . . . . . . . . . . . . . 2-7

Solid Top (S3) Symmetrical Slotted Shielding . . . . . . . . . . . . 2-8

Clip-On Symmetrical Shielding . . . . . . . . . . . . . . . . . . . . . . 2-9

All-Purpose Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10

Clip-On Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11

Low Profile Hook-On Gasket. . . . . . . . . . . . . . . . . . . . . . . 2-13

Low Profile Gasket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13

Large Enclosure Series . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14

Double-Sided Contact Strips . . . . . . . . . . . . . . . . . . . . . . . 2-14

Foldover Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15

Flexible Low Compression Series . . . . . . . . . . . . . . . . . . . 2-15

Twist Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16

Clip-On Twist Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17

Divider Edge Shielding . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18

Card Guide Clip-On . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18

Clip-On Perpendicular Shielding . . . . . . . . . . . . . . . . . . . . 2-19

Clip-On Perpendicular Grounding Strip . . . . . . . . . . . . . . . 2-19

Clip-On Longitudinal Grounding Strip . . . . . . . . . . . . . . . . 2-20

Mini-Longitudinal Grounding Gasket . . . . . . . . . . . . . . . . 2-20

Longitudinal Grounding Series . . . . . . . . . . . . . . . . . . . . . 2-21

UltraSoft® Gasket Series . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21

Battery Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22

Custom Stamping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24

Drawn Can Board Level Shields . . . . . . . . . . . . . . . . . . . . 2-27

Contact Strips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-28

Contact Rings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-32

Load/Deflection Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-33

Shielding Effectiveness Charts . . . . . . . . . . . . . . . . . . . . . 2-38

METAL CONNECTOR SHIELDS

Stainless Steel I/O Shielding. . . . . . . . . . . . . . . . . . . . . . . . 3-1

“D” Connector Shielding . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Slotted D Connector Shielding . . . . . . . . . . . . . . . . . . . . . . 3-2

DIN Connector Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

USB Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

IEEE 1394 Horizontal Connector Gasket . . . . . . . . . . . . . . 3-4

Fiber Optic Shield . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

GBIC Fiber Optic Shield . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

CONTACTS

Custom Design Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Standard Design Contacts . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

CORROSION OF EMI GASKETS . . . . . . . . . . . . . . . . . . . 5-1

As the world’s leading fabricator of fingerstock, Laird Technologies has developed

highly sophisticated, and often proprietary, shielding and grounding technology.

Our innovations are necessary to achieve outstanding combinations of

performance parameters. From a vast selection of product configurations,

platings and mounting techniques, to a full range of low compression

force requirements and high transfer impedance characteristics, there is a

Laird Technologies gasket or grounding product just right for the job.

Depending upon the manufacturing process, some parts will be

supplied with holes for cleaning and plating purposes. These holes

will not affect the overall performance of the product.

Consider these important factors in

the selection of appropriate shielding

products for your design:

Operating Frequency

Materials Compatibility

Corrosive Considerations

Commercial or Military

Worldwide Compliance

Operating Environment

Load/Forces

Cost

Attenuation Performance

Fastening/Mounting Methods

Storage Environment

Nuclear, Biological, Chemical (NBC)

Cycle Life

Shielding/Grounding/Other

Electrical Requirements

Materials Thickness/Alloy

Space/Weight Considerations

Product Safety

Recyclability

Visit www.lairdtech.com’s knowledge base for downloadable PDF’s of all other Laird Technologies catalogs, tech notes, application notes and more!

LT-3034 Metals_catalog

10/8/04

10:30 AM

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