97-252 datasheet(26/64 Pages) LSTD

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FINGERSTOCK GASKETS AND METAL GROUNDING PRODUCTS

LOW PROFILE HOOK-ON GASKET

2.13

www.lairdtech.com

FINGERSTOCK GASKETS AND METAL GROUNDING PRODUCTS

LOW PROFILE GASKET

All dimensions shown are in inches (millimeters) unless otherwise specified.

Laird Technologies offers its line of low profile beryllium copper shielding

fingerstock. Simple installation is accomplished by hooking one end of

the gasket onto the edge of the housing. The other end is secured with

pressure sensitive adhesive (PSA) with extra-wide release liner and designed

with a teardrop feature to improve surface contact. Ideally suited for low

profile, bi-directional applications such as the rack mounting of linecards in

telecommunications equipment. The gaskets offer high shielding performance

in applications where space may be limited.

• Dual attachment provides a no snag gasket with secure retention, which

allows bi-directional wiping action

• Incorporates extra wide release liner to facilitate easy installation

• Wide variety of plating finishes are available to meet your galvanic

compatibility requirements

• Offered in standard lengths of 16.200 in. (411.480 mm) or cut to your

desired length

• Available in UltraSoft

® (-78) low force version

• Extra wide release liner of pressure sensitive tape provides for easy,

cost-effective installation

• Low compression force

• Available in a wide variety of plated finishes to meet your galvanic

compatibility needs

• Available in UltraSoft (-78) low force version

• Offered in standard lengths of 16.000 in. (406.400 mm), or cut to your

desired length

Approximate Length

Shielding Effectiveness Per MIL-STD-285 (Mod.)

(60% Compression)

1000

10000

Frequency (MHz)

130

120

110

100

77-71

77-72

FIGURE 1

77-071/77-072

Double

Adhesive

Transfer

Tape

Transfer Impedance Per SAE ARP 1705

P/N 0077-0043-02

I 25% Compression

140

120

100

500

700

kHz

MHz

GHz

77-043

SERIES

APPROX. NO. OF

LENGTH FINGERS

77-071

0.450

0.060

0.004

0.125

0.018

0.267

0.200

0.062

16.200

130

(11.430)

(1.524)

(0.102)

(3.175)

(0.457)

(6.782)

(5.080)

(1.575)

(411.480)

77-072

0.600

0.090

0.004

0.125

0.018

0.329

0.200

0.062

16.200

130

(15.240)

(2.286)

(0.102)

(3.175)

(0.457)

(8.357)

(5.080)

(1.575)

(411.480)

DIMENSIONS

SERIES

77-043

0.450

0.080

0.121

0.262

(11.430)

(2.032)

(3.073)

(6.665)

77-049

0.600

0.120

0.162

0.347

(15.240)

(3.048)

(4.115)

(8.814)

LOW PROFILE SERIES

Laird Technologies offers its line of low profile beryllium copper shielding

fingerstock. The gaskets are provided with pressure sensitive adhesive tape

with an extra wide release liner to facilitate secure placement and ease

of application.

• Ideally suited for limited space applications as low as 0.060 in. (1.524 mm)

• Works well in both compression and bi-directional applications

• High shielding effectiveness; average 90dB from 10 kHz to 1GHz

Compression Deflection

Part #0077-0043-02

Low Profile Gasket

1020304050

100

16.000

(406.400)

0.125 Pitch (3.175)

0.018 Slot (0.457)

0.0035

(0.089)

77-043/77-049

Double Adhesive

Transfer Tape with

Extra Wide Liner

LT-3034 Metals_catalog

10/8/04

10:30 AM

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