? coilcraft, inc. 2009 specifications subject to change without notice. please check our website for latest information. z-axis rfid transponder coils C zxc document 597-1 document 597-1 revised 11/04/09 inductance 2 read matching at 125 khz distance 3 sensitivity 4 capacitor 5 dcr max 6 srf typ 7 part number 1 5% (mh) q min 2 (inches/cm) (mv/t) (pf) (ohms) (khz) ZXC-255XJL_ 2.48 57 33 / 83.8 9.75 654 37 1975 zxc-495xjl_ 4.90 64 33 / 83.8 18.0 331 43 1370 zxc-715xjl_ 7.10 65 31 / 78.7 25.0 228 62 1220 zxc-116xjl_ 11.4 60 31 / 78.7 50.0 142 110 990 zxc-156xjl_ 14.8 55 31 / 78.7 77.0 110 160 815 1. when ordering, please specify packaging code: zxc-725xjl c packaging: c =7 machine-ready reel. eia-481 embossed plastic tape (500 parts per full reel). b = less than full reel. in tape, but not machine ready. to have a leader and trailer added ($25 charge), use code letter d instead. d =13 machine-ready reel. eia-481 embossed plastic tape. factory order only, not stocked (2000 parts per full reel). 2. inductance and q measured using agilent/hp 4192a impedance analyzer at 125 khz. for recommended test procedures, contact coil craft. 3. read distance measured using the keeloq ? transponder evaluation kit part number dm303005 from microchip. distance was recorded as the voltage across the resonant circuit dropped below 10 mv. 4. sensitivity measured in accordance with coilcraft application note ?measuring sensitivity of transponder coils.? 5. matching capacitor value required for parallel resonant circuit operating at 125 khz. 6. dcr measured on micro-ohmmeter. 7. srf measured using agilent/hp 8753d network analyzer. 8. electrical specifications at 25c. refer to doc 362 ?soldering surface mount components? before soldering. core material ferrite terminations rohs matte tin over nickel over phos bronze. other terminations available at additional cost. weight 53 ? 56 g ambient temperature ?40c to +125c storage temperature component: ?40c to +125c. packaging: ?40c to +80c resistance to soldering heat max three 40 second reflows at +260c, parts cooled to room temperature between cycles temperature coefficient of inductance (tcl) +25 to +200 ppm/c moisture sensitivity level (msl) 1 (unlimited floor life at <30c / 85% relative humidity) mean time between failures (mtbf) 26,315,789 hours packaging 500/7 reel; 2000/13 reel plastic tape: 24 mm wide, 0.3 mm thick, 12 mm pocket spacing, 2.24 mm pocket depth pcb washing only pure water or alcohol recommended ? z-axis rfid coil can be used with any of our other rfid coils for a complete three-dimensional solution. ? only 10 mm square and 2 mm tall ? four mounting pads for exceptional board adhesion
? coilcraft, inc. 2009 specifications subject to change without notice. please check our website for latest information. document 597-2 document 597-2 revised 11/04/09 rfid transponder coils C zxc typical q vs frequency typical l vs frequency 0 2 4 6 8 10 12 14 16 18 20 0.01 0.1 10 1 inductance (mh) frequency (mhz) 7.10 mh 14.8 mh 2.48 mh 125 khz 0 20 40 60 80 100 120 0.001 0.01 1 0.1 q factor frequency (mhz) 7.10 mh 14.8 mh 2.48 mh 0.398 10,1 0.398 10,1 0.192 4,88 0.045 1,14 0.213 5,4 0.065 1,65 0.410 10,41 max max max 0.083 2,1 recommended land pattern 1 1 2 2 see note note: these p do not connect these pads to circuit or ground. ads are only for board adhesion. 123 dimensions are in inches mm
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