EMI Embossed Copper Shielding Foil Tape 1245
3M’s embossed copper foil shielding tape 1245 with 1.4 mil embossed copper foil backing
3M’s embossed copper foil shielding tape 1245 has a 1.4 mil embossed copper foil backing with acrylic pressure-sensitive adhesive and liner. Embossing makes excellent contact through the adhesive. The unplated copper is for non-corrosive conditions.
3M EMI shielding tapes are designed for applications requiring reliable point-to-point electrical contact, particularly EMI/RFI shielding, grounding, and static charge draining. The tapes are easily die-cut and have a multitude of uses in electrical design and test laboratories for prototyping, design, and troubleshooting. The 1245 is a conductive-through-adhesive.
The backings of 3M shielding tapes 1245 (copper) are impressed with an embossed pattern (click Figure 2 below) that protrudes through the acrylic adhesive to make direct electrical contact with the application surface. This reliable “through-the-adhesive” conductivity system provides stable contact resistance and a high level of shielding effectiveness. It is offered in many lengths, widths, shapes, and die cut sizes.
3M custom-cut products match 3M technologies to project requirements with the exact form, fit, and functionality needed. Whether laminating adhesives to substrates, precision or die cutting, slitting, or spooling and level winding, 3M custom-cut products are engineered to meet customers' precise specifications and manufacturing needs.
DigiKey offers quotes on secondary services. For more information on 3M available options or for assistance, contact [email protected] and include dimensional outline drawings.

Sheet Form
Image | Manufacturer Part Number | Description | Shape | Width | Thickness - Overall | Available Quantity | Price | View Details | |
---|---|---|---|---|---|---|---|---|---|
![]() | ![]() | 1245-11.5-12(6) | RF EMI SHLDING SHEET 12" X 11.5" | - | 11.500" (292.00mm) | 0.004" (0.10mm) | 0 - Immediate | $264.82 | View Details |
![]() | ![]() | 1245-7.7"X10" | RF EMI SHIELDING TAPE 10" X 7.7" | - | 7.700" (195.00mm) | 0.004" (0.10mm) | 10 - Immediate | $187.77 | View Details |
Roll Form
Image | Manufacturer Part Number | Description | Width | Thickness - Overall | Available Quantity | Price | View Details | |
---|---|---|---|---|---|---|---|---|
![]() | ![]() | 1245 X 1" | RF EMI SHIELDING TAPE 54' X 1" | 1.000" (25.40mm) | 0.004" (0.10mm) | 407 - Immediate | $816.37 | View Details |
![]() | ![]() | 1245-2-6 | RF EMI SHIELDING TAPE 18' X 2" | 2.000" (50.80mm) | 0.004" (0.10mm) | 76 - Immediate | $775.37 | View Details |
![]() | ![]() | 1245-3-6 | RF EMI SHIELDING TAPE 18' X 3" | 3.000" (76.20mm) | 0.004" (0.10mm) | 1 - Immediate | $1,185.08 | View Details |
![]() | ![]() | 1245-0.5-6 | RF EMI SHIELDING TAPE 18' X 0.5" | 0.500" (12.70mm) | 0.004" (0.10mm) | 6 - Immediate | $258.98 | View Details |
![]() | ![]() | 1245-4-6 | RF EMI SHIELDING TAPE 15' X 4" | 4.000" (101.60mm) | 0.004" (0.10mm) | 3 - Immediate | $1,483.57 | View Details |
![]() | ![]() | 1245-0.75-6 | RF EMI SHIELDING TAPE 18'X0.75" | 0.750" (19.10mm) | 0.004" (0.10mm) | 1 - Immediate | $344.51 | View Details |
![]() | ![]() | 1245-11.5-6 | RF EMI SHLDING SHEET 18' X 11.5" | 11.500" (292.00mm) | 0.004" (0.10mm) | 0 - Immediate | $3,217.07 | View Details |
![]() | ![]() | 1245-1-6 | RF EMI SHIELDING TAPE 18' X 1" | 1.000" (25.40mm) | 0.004" (0.10mm) | 7 - Immediate | $449.55 | View Details |
![]() | ![]() | 1245 X 6" | RF EMI SHIELDING TAPE 54' X 6" | 6.000" (152.40mm) | 0.004" (0.10mm) | 0 - Immediate | $1,957.45 | View Details |
![]() | ![]() | 1245-3/8"X18YD | RF EMI SHIELDING TAPE 54'X0.38" | 0.380" (9.65mm) | 0.004" (0.10mm) | 481 - Immediate | $297.18 | View Details |
![]() | ![]() | 1245 X 1" | RF EMI SHIELDING SHEET 36" X 1" | 1.000" (25.40mm) | 0.004" (0.10mm) | 0 - Immediate | $59.52 | View Details |
![]() | ![]() | 1245 X 6" | RF EMI SHIELDING SHEET 12" X 6" | 6.000" (152.40mm) | 0.004" (0.10mm) | 0 - Immediate | $78.53 | View Details |
Square Form
Image | Manufacturer Part Number | Description | Width | Thickness - Overall | Available Quantity | Price | View Details | |
---|---|---|---|---|---|---|---|---|
![]() | ![]() | 1245SQ-1.5(5) | RF SHLDING SHEET 1.5"X1.5" 5PK | 1.500" (38.10mm) | 0.004" (0.10mm) | 0 - Immediate | $216.83 | View Details |
![]() | ![]() | 5-1245-1/2S | RF SHLDING SHEET 0.5"X0.5" 5PK | 0.500" (12.70mm) | 0.004" (0.10mm) | 0 - Immediate | See Page for Pricing | View Details |
Rectangular Form
Image | Manufacturer Part Number | Description | Width | Thickness - Overall | Available Quantity | Price | View Details | |
---|---|---|---|---|---|---|---|---|
![]() | ![]() | 1245-23-36 | RF EMI SHIELD SHEET 36"X22.992" | 22.992" (584.00mm) | 0.004" (0.10mm) | 0 - Immediate | See Page for Pricing | View Details |
![]() | ![]() | 5-1245-1/2-2R | RF EMI SHLDING SHEET 2"X0.5" 5PK | 0.500" (12.70mm) | 0.004" (0.10mm) | 0 - Immediate | See Page for Pricing | View Details |
Circular Form
Image | Manufacturer Part Number | Description | Thickness - Overall | Available Quantity | Price | View Details | |
---|---|---|---|---|---|---|---|
![]() | ![]() | 5-1245-1/2 | RF EMI SHIELDING SHEET 0.5" 5PK | 0.004" (0.10mm) | 0 - Immediate | See Page for Pricing | View Details |
![]() | ![]() | 1245CIR-0.75(5) | RF EMI SHIELDING SHEET 0.75" | 0.004" (0.10mm) | 3 - Immediate | $200.20 | View Details |
![]() | ![]() | 5-1245-1.5 | RF EMI SHIELDING SHEET 1.5" 5PK | 0.004" (0.10mm) | 0 - Immediate | See Page for Pricing | View Details |
![]() | ![]() | 5-1245-2 | RF EMI SHIELDING SHEET 2" 5PK | 0.004" (0.10mm) | 0 - Immediate | See Page for Pricing | View Details |