l151.a (01/13) 1 pulseelectronics.com/products/antennas ferrite-backed embedded nfc antenna pulse part number w3580 san diego, ca 858 674 8100 vancouver, wa 360 944 7551 europe 49 7032 7806 0 asia 86 755 33966678 north asia 886 3 4356768 china 86 512 6807 9998 / environmental specifcations operating temperature [c] -40 to +85 mechanical specifcations color grey dimensions [in/mm] 1.38 x 1.97 x 0.018 (35 x 50 x 0.45) electrical specifcations frequency [mhz]* 13.56 reading distance [mm]* 20 emvco 15 card (avg) impedance [ ]* 50 / 80 self resonance frequency [mhz]** 58 inductance [ h]** 0.95 resistance [ ]** 3.9 q-factor** 20 matched q value*** 5-15 the w3580 is a fexible near field communication (nfc) antenna ideal for tight-space embedded products such as tablets, laptops, and payment terminal devices. it is intend - ed for secure payment applications where connect distanc - es are highly constricted to keep sensitive information safe. the w3580 has a semi-fexible sintered ferrite backing designed to optimize magnetic felds, thus increasing the corresponding feld strength of the antenna. mounting the antenna is easily accomplished using the thin but aggressive holding adhesive backing. recommended for mounting on the inside of battery covers, or locations where the antenna will be on or in close proximity to ground planes or displays. features - excellent performances on metal surfaces - thin, semi-fexible structure - easily assembles to device covers or mechanics - excellent for tap-n-pay applications - well-known antenna concept, reliable technology - rohs compliant product applications - mobile devices - payment terminals - sharing / pairing note : electrical characteristics depend on distance from metal objects and the location of the antenna on the device. measured in free space * with matching network ** bare coil without any matching network *** with matching network (adjustable). typical network picture refer to page 2.
2 pulseelectronics.com/products/antennas ferrite-backed embedded nfc antenna pulse part number w3580 l151.a (01/13) 2 pulseelectronics.com/products/antennas 2 pulseelectronics.com/products/antennas for more information pulse worldwide headquarters 12220 world trade drive san diego, ca 92128 u.s.a. tel: 858 674 8100 fax: 858 674 8262 larsen brand antennas 3611 ne 112th avenue vancouver, wa 98682 usa tel: 360 944 7551 fax: 369 944 7556 europe headquarters pulse gmbh & do, kg zeppelinstrasse 15 herrenberg germany tel: 49 7032 7806 0 fax: 49 7032 7806 135 asia headquarters b402, shenzhen academy of aerospace technology bldg. 10th kejinan road, high-tech zone nanshan district, shenzen, pr china 518057 tel: 86 755 33966678 fax: 86 755 33966700 pulse north asia 3f, no. 198, zhongyuan road zhongli city, taoyuan county 320 taiwan r. o. c. tel: 886 3 4356768 fax: 886 3 4356823 pulse (suzhou) wireless products co, inc. 99 huo ju road, (#29 bldg, 4th phase) suzhou new district science & tech industrial park jiangsu province, suzhou 215009 pr china tel: 86 512 6807 9998 fax: 86 512 6809 8023 performance warranty of products ofered on this data sheet is limited to the parameters specifed. data is subject to change without notice. other brand and product names mentioned herein may be trademarks or registered trademarks of their respective owners. ? copyright, 2010. pulse electronics, inc. all rights reserved. recommended matching network component value note lem c 560 nh filter resonance at 15.4 mhz cemc 180 pf filter resonance at 15.4 mhz c1 51 pf antenna matching component, value depends on the antenna environment antenna matching c2 198 pf antenna matching component, value depends on the antenna environment antenna matching rq 0 ohm rq resistors used to lower q-value input emc filter matching q-factor output to antenna note: terminal dimensions 5.75 x 2 mm
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