1903646-1 datasheet(3/6 Pages) MACOM

Part #	1903646-1

Description	Spring Fingers

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Manufacturer	MACOM [Tyco Electronics]

Direct Link	http://www.macom.com

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Pre-loaded spring ﬁngers are

recommended when a stable electrical

contact with minimal deﬂection is

needed. The force change is minimized

over working range of the spring ﬁnger.

Pick-and-place area

for

Φ 0.75mm nozzle

pre-load function

Locking for prevention of

overstretching due to sideways

force

Contact can deﬂect to

the bottom of spring

ﬁnger without

permanent deformation

Spring ﬁnger family with a common footprint

in scalable heights.

Box

C

Y

The scalable family of spring ﬁngers

oers the same beneﬁts as pre-loaded

spring ﬁngers, but with a common

footprint.

Scalable Pre-loaded

Pre-loaded

Radius on both sides of tip

to remove sharp edges

Standard Box or C type

spring ﬁngers both have

simple geometry for

easy application.

Ultra low proﬁle, Y type spring ﬁngers, are used

in applications where low eective heights are

needed.

Types of Spring Fingers

Scalable Spring Finger Key Features

Spring Fingers

TE Connectivity

te.com/products/Spring-Fingers

Standard-ﬂat contact

Ultra low proﬁle

Pre-Loaded-Round or Flat Contact

Pre-loaded Scalable

Tip bent backwards to prevent hooking

Holes provide

increased soldering

strength and reduce

solder wicking

Dimple on the

contact to enhance

the contact force

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1903646-1 Datasheet(PDF) 3 Page - Tyco Electronics

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