What is a C Clip-On Fingerstock Gasket?

A C Clip-On Fingerstock Gasket is a beryllium copper EMI shielding gasket designed to clip securely onto enclosure edges, panels, and conductive surfaces. It provides reliable EMI/RFI shielding and electrical grounding without requiring adhesives or mechanical fasteners.

What are C Clip-On Fingerstock Gaskets used for?

C Clip-On Fingerstock Gaskets are used in electronic enclosures, cabinets, access panels, telecommunications equipment, military systems, and industrial electronics where effective EMI shielding and grounding are required.

How do C Clip-On Fingerstock Gaskets provide EMI shielding?

C Clip-On Fingerstock Gaskets create a continuous conductive path between mating metal surfaces. This electrical connection helps contain electromagnetic interference and maintain shielding integrity across enclosure openings.

What material is used in C Clip-On Fingerstock Gaskets?

C Clip-On Fingerstock Gaskets are typically manufactured from high-performance beryllium copper alloy, which offers excellent spring properties, conductivity, corrosion resistance, and long-term durability.

Can C Clip-On Fingerstock Gaskets be used for grounding applications?

Yes. C Clip-On Fingerstock Gaskets provide both EMI shielding and electrical grounding by maintaining consistent contact between conductive surfaces throughout repeated compression cycles.

What are the advantages of C Clip-On Fingerstock Gaskets compared to adhesive-mounted gaskets?

C Clip-On Fingerstock Gaskets can be installed without adhesives, making them easy to remove, replace, and maintain. They also provide reliable mechanical retention and consistent electrical contact in demanding environments.

Are C Clip-On Fingerstock Gaskets suitable for repeated access panels?

Yes. The spring properties of beryllium copper allow C Clip-On Fingerstock Gaskets to withstand repeated opening and closing cycles while maintaining shielding effectiveness and contact force.

Can C Clip-On Fingerstock Gaskets be customized?

Yes. C Clip-On Fingerstock Gaskets are available in various sizes, plating options, lengths, and configurations to meet specific EMI shielding, grounding, and enclosure design requirements.

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C | Clip-On

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C Clip-On Fingerstock Gasket

C Clip-On Fingerstock Gaskets are high-performance EMI shielding solutions designed to provide reliable electrical grounding, conductive contact, and electromagnetic interference protection in electronic systems. Manufactured from premium beryllium copper, these gaskets offer exceptional spring properties, long-term durability, and consistent conductivity.

The clip-on design allows for fast and secure installation onto enclosure edges, chassis components, circuit card assemblies, and shielded cabinets without the need for adhesives or complex mounting hardware. This convenient mounting method simplifies assembly while ensuring dependable electrical continuity and EMI shielding performance.

C Clip-On Fingerstock Gaskets are commonly used in aerospace, defense, telecommunications, industrial electronics, medical equipment, and data communication systems where effective EMI/RFI shielding and grounding are essential. Their resilient spring finger construction maintains consistent contact force through repeated compression cycles and enclosure access operations.

Options

PP = plating code from plating code table below

X.XXX = Desired length

Leader Tech Part Number	A (in)	B (in)	C (in)	D (in)	E (in)	F (in)	G (in)	T (in)	Max Length (in)	Fingers at Max Length	Adhesive	Lance Type
Leader Tech Part Number	A (in)	B (in)	C (in)	D (in)	E (in)	F (in)	G (in)	T (in)	Max Length (in)	Fingers at Max Length	Adhesive	Lance Type
7-21C-045-DL-PP-X.XXX	0.030	0.250	0.045	0.490	1.000	0.170	0.030	0.0030	16	80	N	D
10-30C-045-PP-X.XXX	0.100	0.300	0.045	N/A	N/A	0.140	0.047	0.0050	16	86	N	N/A
10-30C-045-DL-PP-X.XXX	0.100	0.300	0.045	0.500	1.000	0.140	0.047	0.0050	16	86	N	D
10-30C-050-PP-X.XXX	0.100	0.300	0.050	N/A	N/A	0.140	0.047	0.0050	16	86	N	N/A
10-30C-050-DL-PP-X.XXX	0.100	0.300	0.050	0.500	1.000	0.140	0.047	0.0050	16	86	N	D
10-30C-065-PP-X.XXX	0.100	0.300	0.065	N/A	N/A	0.140	0.047	0.0050	16	86	N	N/A
10-30C-065-DL-PP-X.XXX	0.100	0.300	0.065	0.500	1.000	0.140	0.047	0.0050	16	86	N	D
10-30C-070-PP-X.XXX	0.100	0.300	0.070	N/A	N/A	0.140	0.047	0.0050	16	86	N	N/A
10-30C-070-DL-PP-X.XXX	0.100	0.300	0.070	0.500	1.000	0.140	0.047	0.0050	16	86	N	D
11-45C-045-PP-X.XXX	0.110	0.450	0.045	N/A	N/A	0.140	0.047	0.0050	16	86	N	N/A
11-45C-045-DL-PP-X.XXX	0.110	0.450	0.045	0.500	1.000	0.140	0.047	0.0050	16	86	N	D
11-45C-050-PP-X.XXX	0.110	0.450	0.050	N/A	N/A	0.140	0.047	0.0050	16	86	N	N/A
11-45C-050-DL-PP-X.XXX	0.110	0.450	0.050	0.500	1.000	0.140	0.047	0.0050	16	86	N	D
11-45C-065-PP-X.XXX	0.110	0.450	0.065	N/A	N/A	0.140	0.047	0.0050	16	86	N	N/A
11-45C-065-DL-PP-X.XXX	0.110	0.450	0.065	0.500	1.000	0.140	0.047	0.0050	16	86	N	D
11-45C-070-PP-X.XXX	0.110	0.450	0.070	N/A	N/A	0.140	0.047	0.0050	16	86	N	N/A
11-45C-070-DL-PP-X.XXX	0.110	0.450	0.070	0.500	1.000	0.140	0.047	0.0050	16	86	N	D
25-109C-070-PP-X.XXX	0.250	1.090	0.070	N/A	N/A	0.340	0.035	0.0050	16	43	N	N/A
25-S-109C-070-PP-X.XXX	0.250	1.090	0.070	N/A	N/A	0.340	0.035	0.0030	16	43	N	N/A
25-109C-070-DL-PP-X.XXX	0.250	1.090	0.070	0.500	1.000	0.340	0.035	0.0050	16	43	N	D
25-S-109C-070-DL-PP-X.XXX	0.250	1.090	0.070	0.500	1.000	0.340	0.035	0.0030	16	43	N	D
25-109C-120-PP-X.XXX	0.250	1.090	0.120	N/A	N/A	0.340	0.035	0.0050	16	43	N	N/A
25-109C-130-PP-X.XXX	0.250	1.090	0.130	N/A	N/A	0.340	0.035	0.0050	16	43	N	N/A

Leader Tech Part Number	A (mm)	B (mm)	C (mm)	D (mm)	E (mm)	F (mm)	G (mm)	T (mm)	Max Length (mm)	Fingers at Max Length	Adhesive	Lance Type
Leader Tech Part Number	A (mm)	B (mm)	C (mm)	D (mm)	E (mm)	F (mm)	G (mm)	T (mm)	Max Length (mm)	Fingers at Max Length	Adhesive	Lance Type
7-21C-045-DL-PP-X.XXX	0.76	6.35	1.14	12.45	25.40	4.32	0.76	0.076	406	80	N	D
10-30C-045-PP-X.XXX	2.54	7.62	1.14	N/A	N/A	3.56	1.19	0.127	407	86	N	N/A
10-30C-045-DL-PP-X.XXX	2.54	7.62	1.14	12.70	25.40	3.56	1.19	0.127	407	86	N	D
10-30C-050-PP-X.XXX	2.54	7.62	1.27	N/A	N/A	3.56	1.19	0.127	407	86	N	N/A
10-30C-050-DL-PP-X.XXX	2.54	7.62	1.27	12.70	25.40	3.56	1.19	0.127	407	86	N	D
10-30C-065-PP-X.XXX	2.54	7.62	1.65	N/A	N/A	3.56	1.19	0.127	407	86	N	N/A
10-30C-065-DL-PP-X.XXX	2.54	7.62	1.65	12.70	25.40	3.56	1.19	0.127	407	86	N	D
10-30C-070-PP-X.XXX	2.54	7.62	1.78	N/A	N/A	3.56	1.19	0.127	407	86	N	N/A
10-30C-070-DL-PP-X.XXX	2.54	7.62	1.78	12.70	25.40	3.56	1.19	0.127	407	86	N	D
11-45C-045-PP-X.XXX	2.79	11.43	1.14	N/A	N/A	3.56	1.19	0.127	407	86	N	N/A
11-45C-045-DL-PP-X.XXX	2.79	11.43	1.14	12.70	25.40	3.56	1.19	0.127	407	86	N	D
11-45C-050-PP-X.XXX	2.79	11.43	1.27	N/A	N/A	3.56	1.19	0.127	407	86	N	N/A
11-45C-050-DL-PP-X.XXX	2.79	11.43	1.27	12.70	25.40	3.56	1.19	0.127	407	86	N	D
11-45C-065-PP-X.XXX	2.79	11.43	1.65	N/A	N/A	3.56	1.19	0.127	407	86	N	N/A
11-45C-065-DL-PP-X.XXX	2.79	11.43	1.65	12.70	25.40	3.56	1.19	0.127	407	86	N	D
11-45C-070-PP-X.XXX	2.79	11.43	1.78	N/A	N/A	3.56	1.19	0.127	407	86	N	N/A
11-45C-070-DL-PP-X.XXX	2.79	11.43	1.78	12.70	25.40	3.56	1.19	0.127	407	86	N	D
25-109C-070-PP-X.XXX	6.35	27.69	1.78	N/A	N/A	8.64	0.89	0.127	409	43	N	N/A
25-S-109C-070-PP-X.XXX	6.35	27.69	1.78	N/A	N/A	8.64	0.89	0.076	409	43	N	N/A
25-109C-070-DL-PP-X.XXX	6.35	27.69	1.78	12.70	25.40	8.64	0.89	0.127	409	43	N	D
25-S-109C-070-DL-PP-X.XXX	6.35	27.69	1.78	12.70	25.40	8.64	0.89	0.076	409	43	N	D
25-109C-120-PP-X.XXX	6.35	27.69	3.05	N/A	N/A	8.64	0.89	0.127	409	43	N	N/A
25-109C-130-PP-X.XXX	6.35	27.69	3.30	N/A	N/A	8.64	0.89	0.127	409	43	N	N/A

Plating Code	Plating	Specification
BD	As Heat treated	As Heat Treated with Nitrogen
AU	Gold	ASTM B488, TYPE I, CODE C, CLASS 1.25 PRECEDED BY AN UNDERCOAT OF AT LEAST .000047" OF COPPER PER SAE-AMS2418 AND AT LEAST .000047" OF NICKEL PER SAE-AMS-QQ-N-290
AG	Silver, Bright	ASTM B700, TYPE 2, GRADE B, CLASS N .0001" MIN PRECEDED BY A NICKEL UNDERCOAT AT LEAST .000039" THICK PER SAE-AMS-QQ-N-290
MAG	Silver, Matte	ASTM B700, TYPE 2, GRADE A, CLASS N .0001" MIN PRECEDED BY A NICKEL UNDERCOAT AT LEAST .000039" THICK PER SAE-AMS-QQ-N-290
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, TYPE IV, SC1, CLASS 1
SN	Tin, Bright	ASTM B545, CLASS A PRECEDED BY A NICKEL UNDERCOAT AT LEAST .00005" THICK PER SAE-AMS-QQ-N-290
ST	Tin, Matte	ASTM B545, CLASS A PRECEDED BY A NICKEL UNDERCOAT AT LEAST .00005" THICK PER SAE-AMS-QQ-N-290
SNPB	Tin Lead	ASTM B 579, SC2 PRECEDED BY AN UNDERCOAT OF AT LEAST .000098" OF COPPER PER SAE-AMS2418 AND AT LEAST .000098" OF NICKEL PER SAE-AMS-QQ-N-290
SU	Solderable Unplated	-
ZNC	Zinc, Clear	ASTM B633, SC1, TYPE III
ZNY	Zinc, Yellow	ASTM B633, SC1, TYPE II

Plating processes and thicknesses may be varied to meet customer needs. See above list of available finishes and consult factory for additional options.

Call Toll Free: 866.832.4364

813.855.6921

Call Toll Free: 866.832.4364

813.855.6921

C Clip-On Fingerstock Gasket

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C Clip-On Fingerstock Gasket

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