Dome Top Fingerstock Gasket for EMI Shielding
Dome Top Fingerstock Gaskets provide reliable EMI/RFI shielding while maintaining excellent electrical contact through a large conductive contact surface. Manufactured from high-performance beryllium copper, these fingerstock gaskets deliver long-term durability, low contact resistance, and consistent shielding effectiveness.
The dome-shaped profile creates smooth wiping action during enclosure opening and closing, helping maintain electrical continuity across repeated compression cycles. Solid-top configurations are also available for omni-directional wiping applications.
Commonly used in electronic enclosures, chassis assemblies, access panels, and telecommunications equipment, Leader Tech Inc Dome Top Gaskets are frequently supplied with pressure-sensitive adhesive mounting for simplified installation.
Options
PP = plating code from plating code table below
X.XXX = Desired length
| Leader Tech Part Number | A (in) | B (in) | F (in) | G (in) | T (in) | Max Length (in) | Fingers at Max Length | Adhesive |
|---|---|---|---|---|---|---|---|---|
| Leader Tech Part Number | A (in) | B (in) | F (in) | G (in) | T (in) | Max Length (in) | Fingers at Max Length | Adhesive |
| 11-35DT-PP-X.XXX | 0.110 | 0.350 | 0.169 | 0.018 | 0.0030 | 16 | 86 | Y |
| 11-S-35DT-PP-X.XXX | 0.110 | 0.350 | 0.169 | 0.018 | 0.0020 | 16 | 86 | Y |
| 14-45DT-PP-X.XXX | 0.140 | 0.450 | 0.228 | 0.022 | 0.0030 | 16 | 64 | Y |
| 14-S-45DT-PP-X.XXX | 0.140 | 0.450 | 0.228 | 0.022 | 0.0020 | 16 | 64 | Y |
| 22-62DT-PP-X.XXX | 0.220 | 0.620 | 0.345 | 0.030 | 0.0040 | 16 | 43 | Y |
| 22-S-62DT-PP-X.XXX | 0.220 | 0.620 | 0.345 | 0.030 | 0.0030 | 16 | 43 | Y |
| Leader Tech Part Number | A (mm) | B (mm) | F (mm) | G (mm) | T (mm) | Max Length (mm) | Fingers at Max Length | Adhesive |
|---|---|---|---|---|---|---|---|---|
| Leader Tech Part Number | A (mm) | B (mm) | F (mm) | G (mm) | T (mm) | Max Length (mm) | Fingers at Max Length | Adhesive |
| 11-35DT-PP-X.XXX | 2.79 | 8.89 | 4.29 | 0.46 | 0.076 | 408 | 86 | Y |
| 11-S-35DT-PP-X.XXX | 2.79 | 8.89 | 4.29 | 0.46 | 0.051 | 408 | 86 | Y |
| 14-45DT-PP-X.XXX | 3.56 | 11.43 | 5.79 | 0.56 | 0.076 | 406 | 64 | Y |
| 14-S-45DT-PP-X.XXX | 3.56 | 11.43 | 5.79 | 0.56 | 0.051 | 406 | 64 | Y |
| 22-62DT-PP-X.XXX | 5.59 | 15.75 | 8.76 | 0.76 | 0.102 | 409 | 43 | Y |
| 22-S-62DT-PP-X.XXX | 5.59 | 15.75 | 8.76 | 0.76 | 0.076 | 409 | 43 | 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 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 |