S R C H AV E R H I L L P O LY I R O N ™ M I C R O WAV E A B S O R B E R winchesterelectronics.com Applications for PolyIron™ Microwave Absorber: S R C H AV E R H I L L P O LY I R O N ™ M I C R O W A V E A B S O R B E R EMI RFI Shielding Optical Transceivers Integrated Microwave Assemblies (Covers) EMC Chambers Eliminate RFID Interference 3D PARTS MOLDED OR 2D PARTS DIE CUT TO YOUR EXACT PRINT Unlike common Salisbury shields or gaskets, PolyIron™ magram absorber works to attenuate EMI by absorbing it, not by reflecting it. This is particularly important in small enclosures, where high frequencies cause cavity resonance— something shields do not really address. In today’s densely-packed microwave devices where space is at a premium, PolyIron™ has significant advantages Absorbing Cavity Resonance Waveguide Loads Vehicle Obstacle Avoidance Radar because, typically, .030” to .125” thickness of PolyIron™ is all that is required. SRC Haverhill’s PolyIron™ consists of a 5 to 1 pure iron oxide powder, mixed with various catalysts to form a flexible material that is non-conductive. It may be used effectively even in the most confined of enclosures, such as a handset or for small spaces surrounding vehicle avoidance radar, or to reduce antenna side lobe interference. PolyIron™ was first used for military radar avoidance and stealth applications, but today PolyIron™ is increasingly used in the RF and Microwave industry as operating frequencies continue to go up and design options to absorb Stealth Radar Absorber and Electronic ‘Silencing’ Antenna Side Lobe Attenuation Cell Phone and Handset RF EMI Suppression unwanted microwaves and lower surface currents are harder to achieve. The typical range of frequencies our customers are addressing successfully is between .5 GHz to 40 GHz. Common commercial applications are for EMI/Microwave Shielding, eliminating cavity resonance in handsets, for waveguide loads, or to increase security by silencing noisy devices. Designs are limited only by your imagination or the demands of your test, microwave, or military application. What’s more, the material is easy to work with. In sheet form, PolyIron™ can be easily cut by hand to fit even the smallest of enclosures. The SRC Haverhill proprietary binder formulation exhibits low outgassing, is not susceptible to mold and mildew, and the material can handle demanding temperature and environmental extremes. 2 Winchester Electronics Corporation | SRC Haverhill PolyIron™ Microwave Absorber S R C H AV E R H I L L C A B L E A S S E M B L I E S S S ISC, RPOHW AA SV E ES T SEM PR OCLYLI O RW O NL™OM AABBSLOER B R I RIGID POLYIRON™ PART NUMBER THICKNESS (INCHES) OVER ALL SHEET DIMENSION (INCHES) SRC-030 .030 8.8 x 8.5 SRC-040 .040 14 x 6.5 SRC-050 .050 14 x 6.5 SRC-060 .060 14 x 6.5 SRC-075 .075 14 x 6.5 SRC-087 .087 14 x 6.5 SRC-100 .100 14 x 6.5 SRC-125 .125 14 x 6.5 ROHS STATUS Lead (Pb) Content Pass Cadmium (Cd) Content Pass Hexavalent Chromium (Cr6) Content Pass Mercury (Hg) Content Pass Bromine Compounds Pass MILITARY SPECIFICATIONS AND STANDARDS IEEE-STD-1128 Free Space Method & Broadband Reflectivity (ARCH) IEEE-STD-1129 Resonant Cavity Test ASTM D5470 Thermal Conductivity MIL-STD-285 Attenuation Measurements for Enclosures VOLUME RESISTIVIT Y DESC 92017 <1.5 Ohm-cm (0.25 mm thick) MIL-G-83528 3.45 MPa (500 psi) Load SHIELDING EFFECTIVENESS DESC 92017 Free Space Method & Broadband Reflectivity (ARCH) MIL-G-83528 "E" Field - 100 dB 200 MHz to 18 GHz PERMITTIVIT Y Electrical Magnetic POLYIRON™ PART NUMBER E' e" Loss Tangent u' u" Loss Tangent SRC-030 13.69 .337 .025 1.69 .502 .297 SRC-100 16 1.085 .068 1.76 .604 .343 SRC-040 13.56 .391 .029 1.66 .466 .281 SRC-050 14.06 .514 .037 1.66 .461 .278 SRC-087 15.77 .91 .058 1.7 .55 .322 SRC-060 14.18 .553 .039 1.69 .479 .284 SRC-075 17.08 .929 .054 1.75 .58 .332 SRC-125 15.43 1.25 .081 1.71 .577 .337 Inquiries: [email protected] ◆ 707-791-1982 www.winchesterelectronics.com 3 S R C H AV E R H I L L C A B L E A S S E M B L I E S S S ISC, RPOHW AA SV E ES T SEM PR OCLYLI O RW O NL™OM AABBSLOER B R I RIGID 1-18 GHz 4 BROADBAND REFLECTIVITY Winchester Electronics Corporation | SRC Haverhill PolyIron™ Microwave Absorber S R C H AV E R H I L L C A B L E A S S E M B L I E S S S ISC, RPOHW AA SV E ES T SEM PR OCLYLI O RW O NL™OM AABBSLOER B R I RIGID 18-26.5 GHz Inquiries: [email protected] ◆ 707-791-1982 BROADBAND REFLECTIVITY www.winchesterelectronics.com 5 S R C H AV E R H I L L C A B L E A S S E M B L I E S S S ISC, RPOHW AA SV E ES T SEM PR OCLYLI O RW O NL™OM AABBSLOER B R I RIGID POLYIRON™ RELATIVE PERMITTIVITY 6 Winchester Electronics Corporation | SRC Haverhill PolyIron™ Microwave Absorber S R C H AV E R H I L L C A B L E A S S E M B L I E S S S ISC, RPOHW AA SV E ES T SEM PR OCLYLI O RW O NL™OM AABBSLOER B R I RIGID APPLICATIONS Product complexity, device frequency, and component density are increasing across the range of microwave, satellite, wireless, test equipment, military, and commercial EMI applications. EMI designers and engineers must find effective, affordable ways to handle unwanted emissions and impedance mis-match. As components grow smaller and more dense, designers and engineers are faced with dwindling layout options to resolve cross talk, creeping waves, cavity resonance, or RF antenna coupling problems. One of the many problems our PolyIron™ custom-fabricated microwave absorber has solved is for manufacturers of optical transceivers. With these devices stacked closely to each other on high-speed routers used in large cloud farm data centers, meeting stringent FCC regulations was a problem. The PolyIron™ was molded and cut to the customer’s complex application shapes. Cross talk was eliminated and the parts met FCC requirements. For high frequency RF, microwave, radar, and antenna applications ranging from 100 MHz to 40 GHz, SRC Haverhill PolyIron™ attenuates near field emissions. Applications include isolating noisy PC board components, shielding sensitive microwave devices from both magnetic and electric interference, eliminating cavity resonance from enclosures, waveguide loads, reducing antenna side lobes - the list of applications is continuously growing. Inquiries: [email protected] ◆ 707-791-1982 www.winchesterelectronics.com 7 CONTACT INFORMATION NORTH AMERICA - United States Winchester Electronics Middlebury Division of Winchester Electronics 199 Park Road Extension - Suite 104 Middlebury, Connecticut 06762 203.741.5400 Phone 203.741.5500 Fax TRU Corporation Division of Winchester Electronics 245 Lynnfield Street Peabody, Massachusetts 01960 978.532.0775 Phone 978.531.6993 Fax NORTH AMERICA - Mexico Winchester Electronics Nogales Carretera Int’l Km. 7.5A Parque Industrial El Cid Nogales, Sonora, Mexico 203.741.5570 Phone 203.741.5500 Fax Winchester Electronics Spartanburg Division of Winchester Electronics 2525 Chesnee Highway Spartanburg, South Carolina 29307 864.804.5300 Phone 864.804.5301 Fax Source Technology Division of Winchester Electronics 700 Gateway Parkway Marble Falls, Texas 78654 281.894.6171 Phone 281.807.4546 Fax ASIA - China Winchester Electronics (Suzhou) Co., LTD No. 18 QunXing First Street SIP, Suzhou, P.R. China, 215006 86.512.6252.9838 Phone 86.512.6762.9638 Fax Clements National Company Division of Winchester Electronics 2150 Parkes Drive Broadview, Illinois 60155 708.594.5890 Phone 708.594.2481 Fax SRI Hermetics Division of Winchester Electronics 3950 Dow Road Melbourne, Florida 32934 321.254.4067 Phone 321.752.9221 Fax SRC Haverhill Division of Winchester Electronics 5590 Skylane Boulevard Santa Rosa, California 95403 707.573.1900 Phone 707.573.1999 Fax SRI Connector Gage Division of Winchester Electronics 3950 Dow Road Melbourne, Florida 32934 800.881.9689 Phone 321.259.9681 Fax ASIA - Malaysia Winchester Electronics (M) SDN. BHD No. 1651, Lorong Perusahaan Maju 8 Prai Industrial Estate Phase IV 13600 Prai, Penang, Malaysia 6.04.5083535 Phone 6.04.5080810 Fax Please contact Customer Service at 1.203.741.5400 or visit us online at www.winchesterelectronics.com for information about our full line of product offerings. BRANDS Follow us: SRCH-003 REV 051516