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Beryllium Copper Fingerstock

T | Twist

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T | Twist:

The Twist series gaskets are designed for demanding compression applications. This series can
compress to material thickness and provide excellent shielding performance. Profiles include
standard flat, right angle, double twist, and clip-on.

Options

PP = plating code from plating code table below
X.XXX = Desired length
Lengths greater than 24 inches are only available in the following finishes: BD, NI, SN, ST, SNPB, SU

Imperial
Metric

Leader Tech Part Number	A (in)	B (in)	C (in)	F (in)	G (in)	T (in)	Max Length (in)	Fingers at Max Length	Adhesive
Leader Tech Part Number	A (in)	B (in)	C (in)	F (in)	G (in)	T (in)	Max Length (in)	Fingers at Max Length	Adhesive
3-20T-PP-X.XXX	0.030	0.200	0.110	0.080	0.015	0.0030	300	3158	Y
3-23T-PP-X.XXX	0.030	0.230	0.140	0.080	0.015	0.0030	300	3158	Y
3-S-23T-PP-X.XXX	0.030	0.230	0.140	0.080	0.015	0.0020	300	3158	Y
6-30T-PP-X.XXX	0.070	0.300	0.150	0.150	0.015	0.0030	300	1818	Y
6-S-30T-PP-X.XXX	0.070	0.300	0.150	0.150	0.015	0.0020	300	1818	Y
6-34T-PP-X.XXX	0.070	0.340	0.180	0.150	0.015	0.0030	300	1818	Y
6-S-34T-PP-X.XXX	0.070	0.340	0.180	0.150	0.015	0.0020	300	1818	Y

Leader Tech Part Number	A (mm)	B (mm)	C (mm)	F (mm)	G (mm)	T (mm)	Max Length (mm)	Fingers at Max Length	Adhesive
Leader Tech Part Number	A (mm)	B (mm)	C (mm)	F (mm)	G (mm)	T (mm)	Max Length (mm)	Fingers at Max Length	Adhesive
3-20T-PP-X.XXX	0.762	5.080	2.794	2.032	0.381	0.0762	7620	3158	Y
3-23T-PP-X.XXX	0.762	5.842	3.556	2.032	0.381	0.0762	7620	3158	Y
3-S-23T-PP-X.XXX	0.762	5.842	3.556	2.032	0.381	0.0508	7620	3158	Y
6-30T-PP-X.XXX	1.778	7.620	3.810	3.810	0.381	0.0762	7619	1818	Y
6-S-30T-PP-X.XXX	1.778	7.620	3.810	3.810	0.381	0.0508	7619	1818	Y
6-34T-PP-X.XXX	1.778	8.636	4.572	3.810	0.381	0.0762	7619	1818	Y
6-S-34T-PP-X.XXX	1.778	8.636	4.572	3.810	0.381	0.0508	7619	1818	Y

Plating Code	Plating	Specification
BD	As Heat treated	As Heat Treated with Nitrogen
AU	Gold	ASTM B488, TYPE I, CODE C, CLASS 1.25
AG	Silver, Bright	ASTM B700, TYPE 2, GRADE B, CLASS N
MAG	Silver, Matte	ASTM B700, TYPE 2, GRADE A, CLASS N
CDC	Cadmium Chromate, Clear	ASTM B766, CLASS 5, TYPE III
CDY	Cadmium Chromate, Yellow	ASTM B766, CLASS 5, TYPE II
NI	Electroless Nickel RoHS	ASTM B733, SC1, CLASS 1
SN	Tin, Bright	ASTM B545, CLASS A
ST	Tin, Matte	ASTM B545, CLASS A
SNPB	Tin Lead	ASTM B579, SC2
SU	Solderable Unplated	-
ZINC	Zinc, Clear	ASTM B633, SC1, TYPE III
ZNY	Zinc, Yellow	ASTM B633, SC1, TYPE II

Leader Tech Inc.

Leader Tech is a world leading innovator and manufacturer of EMI shielding products for circuit boards, electronic enclosures, thermal products, microwave absorbers and interconnect cables.

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