CCH-18-301-0100 Chomerics

LAMINATES & GROUNDING PRODUCTS TM CHO-FOIL & CHO-FAB Shielding Tapes CHO-FOIL EMI Shielding Tape CHO-FAB EMI Shielding with Conductive Adhesive Fabric Tape with (Copper, Aluminum or Tinned Copper) Conductive Adhesive Chomerics CHO-FOIL tapes are 4 on page 148. CHO-FOIL copper CHO-FAB tape is a corrosion an economical EMI shielding solution tape is available with a non-conduc- resistant nickel-plated cloth coated for a variety of commercial uses. tive adhesive for applications requir- with Chomerics highly conductive The tapes are available in copper, ing surface conductivity only. An pressure-sensitive adhesive*. aluminum, or tinned copper foil embossed version of CHO-FOIL CHO-FAB tape is extremely strong backed with Chomerics highly copper tape is also available, for a and lightweight, and has excellent conductive pressure-sensitive more attractive appearance up to 6 conformability/wrapability to enhance adhesive*. Typical properties are inches (152 mm) wide. Standard shielding performance and appear- shown in Table 1 on the next page, length rolls and die-cut custom ance. Use of corrosion resistant nickel- and reliability data appears in Table shapes can be ordered. plated cloth and Chomerics superior metal-particle-filled conductive adhesive technology produces a tape used in a wide variety of EMI shielding and grounding applications. Typical Applications for CHO-FOIL Typical properties are shown in Table and CHO-FAB EMI Shielding Tapes 1 on the next page, and reliability n Provide a low impedance n Supply electrical contact to data appears in Table 4 on page 148. connection between a braided surfaces that cant be soldered Ordering Procedure cable shield and the metal to, such as conductive plastic Refer to Tables 2 and 3. All CHO- connector backshell in molded or aluminum FOIL and CHO-FAB tapes are avail- cables. An effective EMI shielded n EMI shield for cables by able in standard 36 yard (32.9 m) assembly can be achieved wrapping the tape around rolls or die-cut custom configura- without soldering the tape to the cable. An overlap is tions. Call Chomerics Applications the braid or backshell recommended Engineering Department for assis- n EMI radiation measurement n ESD shielding tance with a custom configuration. troubleshooting, using CHO- n Provide corrosion-resistant FOIL tape to shield ventilation ground contact points slots or seam gaps n Fabric tape available where * Recognized Under the Component n Provide electrical continuity in weight and flexibility are Program of Underwriters Laboratories, Inc. seams of EMI shielded rooms important, such as for and electronic enclosures wrapping cables US Headquarters TEL +(1) 781-935-4850 FAX +(1) 781-933-4318 www.chomerics.com Europe TEL +(44) 1628 404000 FAX +(44) 1628 404090 Asia Pacific TEL +(852) 2 428 8008 FAX +(852) 2 423 8253 1 South America TEL +(55) 11 3917 1099 FAX +(55) 11 3917 0817Table 1 PROPERTIES Property Test Method Typical Values Part Number Prefix CCH CCE CCJ CCK CCD CAD CFT 1 oz. 1 oz. Embossed Aluminum 1 oz. Tin- 1 oz. Aluminum Nickel-Plated Foil/Fabric Type RA Copper RA Copper Plated Copper RA Copper Fabric Foil/Fabric Thickness, 1.4 (0.0356) 1.4 (0.0356) 2 (0.0508) 1.6 (0.0406) 1.4 (0.0356) 2 (0.0508) 5 (0.127) mils (mm) Adhesive Type Electrically Conductive, Acrylic Pressure- Sensitive Adhesive Thickness, 2 sides: 1.5 (0.0381) 1.5 (0.0381) mils (mm) 1.5 each (0.0381 each) Total Thickness, 2.9 (0.0737) 4* (0.1102) 3.5 (0.0889) 3.1 (0.0787) 4.4 (0.1118) 5 (0.127) 6.5 (0.165) mils (mm) Temperature Range, 40 to 400 40 to 180 F (C) (40 to 205) (40 to 82) Electrical Resistance, MIL-STD-202C <0.003 (<0.0005) <0.003 (<0.0005) <0.010 (<0.0016) <0.003 (<0.0005) <0.010 (<0.0016) <0.010 (<0.0016) <0.100 (<0.016) 2 2 ohms/in (ohms/cm ) Flame Resistance UL Subject 510 PASS MEETS PASS PASS MEETS MEETS N/A Adhesion to Aluminum ASTM D1000 >40 2.5 (438) oz./inch ppi (N/m) *Embossing adds 1.1 mil Table 2 PART NUMBER TAPE DESCRIPTION CCH 36 101 ZZZZ Copper foil, conductive adhesive version CCE 36 101 ZZZZ Copper foil, conductive adhesive, embossed CCJ 36 201 ZZZZ Aluminum foil, conductive adhesive CCK 36 101 ZZZZ Tin-plated copper foil, conductive adhesive CCD 36 101 ZZZZ Copper foil, conductive adhesive 2 sides CAD 36 201 ZZZZ Aluminum foil, conductive adhesive 2 sides CFT 36 101 ZZZZ Nickel-plated fabric, conductive adhesive Table 3 TAPE WIDTH CODES (ZZZZ) inch (mm) 0050 0100 0150 0200 0300 0400 0600 0800 1200 2400 0.5 1.0 1.5 2.0 3.0 4.0 6.0 8.0 12 24 (12.7) (25.4) (38.1) (50.8) (76.2) (102) (152) (203) (305) (610) Custom widths available up to 24 inches (61 cm) Slit rolls are available through Chomerics authorized distributors. Please consult Chomerics Applications Engineering Department for assistance with a custom application involving a need for material in other than slit roll form. continued US Headquarters TEL +(1) 781-935-4850 FAX +(1) 781-933-4318 www.chomerics.com Europe TEL +(44) 1628 404000 FAX +(44) 1628 404090 Asia Pacific TEL +(852) 2 428 8008 FAX +(852) 2 423 8253 2 South America TEL +(55) 11 3917 1099 FAX +(55) 11 3917 0817