97-520 datasheet(59/64 Pages) LSTD

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CONTACTS

CUSTOM DESIGN CONTACTS

4.1

www.lairdtech.com

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

GAIN MAXIMUM ELECTRICAL AND CARRYING PERFORMANCE

From concept to placement, Laird Technologies has the expertise to deliver

custom precision surface mount contacts. Using the latest computer simulation

techniques, we provide properly designed contacts that ground, carry current

and signals, and interconnect boards and devices. We do this by using basic

geometric parameters (length, width, uncompressed height, compressed height,

contact force) to conduct Finite Element Analysis (FEA) on your prospective

design. With the FEA results, we can then identify the best design to optimize

your product's operational performance. We also incorporate features to provide

for placement and soldering of the contact onto the circuit board.

Laird Technologies offers a wide range of plating options to allow for maximum

electrical current carrying performance. We have exclusive processes such as our

innovative Mako process, which selectively plates contacts with precious metals

only in the necessary areas. This eliminates bare edges and reduces costs.

Our automated packaging allows for complex and small designs with lower

installed costs.

Contact base materials include beryllium copper, phosphor bronze, nickel and

stainless steel. All contacts are fully solderable as required.

TYPE

Thickness IN (mm)

Heat Treatment

COATING

Comments

Beryllium-copper alloys:

0.0035 to 0.080

Heat treatable in all tempers

Tin, palladium, nickel, gold, silver

Pre-tempered & pre-plated

C17200, 190, 174

(0.089 to 2.032)

ASTM

Nickel-silver alloys:

0.004 to 0.060

Stress annealed

Varies

Fully solderable

770, 760, 752

(0.102 to 1.524)

(if used with LT proprietary process)

ASTM

Copper-based alloys: 110, 102,

0.006 to 0.090

N/A

Tin, palladium, nickel, gold, silver

Pre-plated or post-plated

122, 1093

(0.152 to 2.286)

Brass

0.006 to 0.090

N/A

Tin, palladium, nickel, gold, silver

Pre-plated or post-plated

CDA 260

(0.152 to 2.286)

CDA 220

Steel

0.008 to 0.080

Austemper

Tin, nickel, black oxide

Post-plated

High carbon

(0.203 to 2.032)

Spring steel

Stainless steel series:

0.004 to 0.012

Heat treatable

Tin

Pre-plated or post-plated

410, 300, 301, 302

(0.102 to 0.305)

Gold

Special alloys,

0.0031 to 0.080

Heat treatable

Tin, palladium, nickel,

Pre-plated or post-plated

Clad metals, BeCu base

(0.079 to 2.032)

gold, palladium/silver

or other metal base

Post-plating

Any thickness required

N/A

Tin, nickel, gold, zinc, silver cadmium,

N/A

black oxide, black zinc, phosphate

CUSTOM PRECISION ELECTRONIC CONTACTS MATERIAL VARIATIONS

Additional material choices are available upon request. Material properties are for reference only. Product testing by purchaser is recommended to confirm.

Laird Technologies assumes no liability for product failure unless specifically stated in writing.

LT-3034 Metals_catalog

10/8/04

10:31 AM

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