Document 324-1 RFID Transponder Coils – 4308RV Coilcraft’s 4308RV antenna coils are high performance devices intended for RFID applications at 125 kHz. These low profile parts have an extended length that allows longer read ranges. An encapsulated top ensures reliable pick and place operations. Core construction and encapsulation are rated for 125°C, which makes these transponders ideal for higher temperature applications. For harsh environments, please consider the 4312RV or 5315TC, which were developed for tire pressure monitoring systems. The 4308RV transponders coils are available in 5% and 2% tolerances. In addition to the standard models shown, Coilcraft can design coils to operate at other frequencies. Coilcraft Designer’s Kit C383 contains four samples of all 5% inductance tolerance parts. To order, contact Coilcraft or visit http://order.coilcraft.com. Inductance Read MatchingDCR SRF at 125 kHz2 Q distance4 Sensitivity5 capacitor6 max7 typ8 Part number1 (mH) Tolerance3 min2 (in. / cm) (mV/µT) (pF) (Ohms) (kHz) Color code 4308RV-374X_L_0.37 5,2 26 22 / 55.9 9.82 4380 6.5 1800 Orange Violet Yellow 4308RV-404X_L_0.40 5,2 26 23 / 58.4 10.38 4050 7.1 5000 Yellow Black Yellow 4308RV-704X_L_0.70 5,2 20 25 / 63.5 13.96 2320 19 6600 Violet Black Yellow 4308RV-904X_L_0.90 5,2 22 26 / 66.0 16.06 1800 21 4800 White Black Yellow 4308RV-115X_L_1.08 5,2 24 30 / 76.2 17.78 1500 24 4300 Brown Brown Green 4308RV-205X_L_1.97 5,2 28 34 / 86.4 24.90 823 31 1750 Red Black Green 4308RV-245X_L_2.38 5,2 30 37 / 94.0 28.21 681 34 1700 Red Yellow Green 4308RV-295X_L_2.89 5,2 30 37 / 94.0 32.12 561 42 1900 Red White Green 4308RV-335X_L_3.30 5,2 30 38 / 96.5 34.96 491 48 1425 Orange Orange Green 4308RV-415X_L_4.15 5,2 27 39 / 99.1 41.35 391 70 1620 Yellow Brown Green 4308RV-495X_L_4.90 5,2 26 38 / 96.5 47.17 331 93 1150 Yellow White Green 4308RV-685X_L_6.80 5,2 28 41 / 104.1 61.71 238 110 1080 Blue Gray Green 4308RV-715X_L_7.10 5,2 27 42 / 106.7 65.60 228 114 1050 Violet Brown Green 4308RV-725X_L_7.20 5,2 28 40 / 101.6 66.67 225 114 965 Violet Red Green 4308RV-815X_L_8.10 5,2 28 42 / 106.7 75.08 200 125 965 Gray Brown Green 4308RV-905X_L_9.00 5,2 30 40 / 101.6 84.64 180 125 725 White Black Green 1. When ordering, please specify tolerance and packaging codes: 4308RV-905XJLD Tolerance: G = 2% J = 5% (Table shows stock tolerances in bold.) Packaging:D =13″ machine-ready reel. EIA-481 embossed plastic tape (3000 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. 2. Inductance and Q measured using Agilent/HP 4192A impedance analyzer. 3. Tolerances in bold are stocked for immediate shipment. 4. 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. 5. Sensitivity measured in accordance with Coilcraft application note “Measuring Sensitivity of Transponder Coils.” 6. Matching capacitor value required for parallel resonant circuit operating at 125 kHz. 7. DCR measured on micro-ohmmeter. 8. SRF measured using Agilent/HP 8753D network analyzer. 9. Electrical specifications at 25°C. Refer to Doc 362 “Soldering Surface Mount Components” before soldering. US +1-847-639-6400 [email protected] UK +44-1236-730595 [email protected] Taiwan +886-2-2264 3646 [email protected] China +86-21-6218 8074 [email protected] Singapore + 65-6484 8412 [email protected] Document 324-1 Revised 10/30/08 © Coilcraft Inc. 2013 This product may not be used in medical or high risk applications without prior Coilcraft approval. Specification subject to change without notice. Please check web site for latest information. Document 324-2 RFID Transponder Coils – 4308RV Typical Q vs Frequency Typical L vs Frequency 60 12 -404 Q factor 40 -205 -415 30 -815 20 10 0 -815 10 Inductance (mH) 50 8 -415 6 4 -205 2 1 10 100 1000 10000 0 -404 1 10 Frequency (kHz) 0.020 ref 0,51 0.450 max 11,43 0.433 ±0.005 10,99 ±0,127 0.124 max 3,15 0.079 ±0.004 2,00 ±0,10 1000 10000 Frequency (kHz) 0.040 ref 1,01 0.108 max 2,74 100 0.040 0,89 Terminations RoHS compliant silver-palladium-platinum-glass frit Weight 230 – 250 mg Ambient temperature –40°C to +125°C Storage temperature Component: –40°C to +125°C. Tape and reel packaging: –40°C to +80°C Resistance to soldering heat Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C / 85% relative humidity) Temperature coefficient of inductance +200 to +700 ppm/°C Failures in Time (FIT) / Mean Time Between Failures (MTBF) One per billion hours / one billion hours, calculated per Telcordia SR-332 Packaging 3000 per 13″ reel Plastic tape: 24 mm wide, 0.3 mm thick, 8 mm pocket spacing, 2.7 mm pocket depth PCB washing Tested with pure water or alcohol only. For other solvents, see Doc787_PCB_Washing.pdf. 0.070 1,78 Recommended Land Pattern 0.110 2,79 0.333 8,46 0.473 12,01 US +1-847-639-6400 [email protected] UK +44-1236-730595 [email protected] Taiwan +886-2-2264 3646 [email protected] China +86-21-6218 8074 [email protected] Singapore + 65-6484 8412 [email protected] Document 324-2 Revised 10/30/08 © Coilcraft Inc. 2013 This product may not be used in medical or high risk applications without prior Coilcraft approval. Specification subject to change without notice. Please check web site for latest information.