KT11835 transponder coil (Rx) features •Transponder coil is arranged with electrode in the long side of the part, and covered with molding resin •Excellent high Q and high sensitivity, because neither the electrode nor the land pattern disturb the coil flux •Strong resistance to vibration, shock and substrate bend test by 4 electrode terminals structure and the molded resin •Small inductance change to environmental temperature change •Marking: Black body color •Products meet EU RoHS requirements •AEC-Q200 Qualified dimensions and construction W Type B .134 Typ. (3.4 Typ.) KT L Dimensions inches (mm) d L W t .059 Typ. .465±.008 .142±.008 .118 Max. (1.5 Typ.) (11.8±0.2) (3.6±0.2) (3.0 Max.) Magnetic flux of KT d B Electrode t Land pattern Electrode Molded Resin ordering information KT 11835 T TEG 722 J Product Code Style Terminal Surface Material Packaging Nominal Inductance Tolerance L x W x H (mm) 11.8 x 3.6 x 3.0 T: Sn TEG: plastic embossed 3 digits: 722: 7.2mH 123: 12mH G: ±2% H: ±3% J: ±5% ratings Type Nominal Inductance (mH) NEW KT11835TTEG242 2.4 KT11835TTEG722 7.2 KT11835TTEG123 12 Inductance Tolerance G: ±2% H: ±3% J : ±5% Unload Quality Factor Min. L, Q Measuring Frequency (kHz) 32 40 45 125 Self Resonant Frequency (kHz) Min. DC Resistance (Ω)）Max. Allowable DC Current (mA) Max. Sensitivity (mV/uT) 700 32 30 28 750 92 15 55 500 119 12 75 The code for inductance tolerance (G, H, J) enters Any other inductance under 12mH is available Operating Temperature Range: -40°C - +125°C Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 1/17/13 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 233 inductors EU KT11835 transponder coil (Rx) environmental applications Circuit Construction 1 3 2 4 Characteristics Test equipment: Agilent 4294A impedance analyzer L−Frequency Characteristics Q−Frequency Characteristics KT11835 KT11835 KT11835 20 20 70 70 18 18 60 60 16 16 14 14 12 12 12mH 12mH 10 10 7.2mH 8 8 7.2mH 20 20 10 10 100 100 Frequency Frequency(kHz) (kHz) 1000 1000 10000 10000 2.4mH 2.4mH 30 30 4 4 2.4mH 2.4mH 22 10 10 7.2mH 7.2mH 40 40 66 00 11 12mH 12mH 50 50 Unload Q Unload Q Inductance (mH) Inductance (mH) 00 11 10 10 100 100 Frequency Frequency(kHz) (kHz) 1000 1000 10000 10000 Wiring Diagram of Solder Pad Recommended wiring example Non-recommended wiring example Please avoid the following wiring because it leads to decrease of L and Q. Connection between 1 and 2, and/or 3 and 4. Performance Characteristics Moisture Endurance Temperature Characteristics 1.9 Unit: mm Test Methods 1.9 3.0 Typical ±1% 260°C±5°C, 10 seconds ±1second ±1% −40°C (30min.) /+125°C (30min.), 100 cycles ±1% −40°C±2°C, 1000 hours ±1% +125°C±2°C, 1000 hours ±1% +60°C±2°C, 90 ~ 95%RH, 1000 hours ±2% +20°C 4.6 Resistance to Soldering Heat Rapid Change of Temperature Low Temperature Exposure High Temperature Exposure 6.8 1.9 0.8 Test Items Performance Requirement Maximum L/L Limit ±2% No significant abnormality in appearance ±2% No significant abnormality in appearance ±2% No significant abnormality in appearance ±2% No significant abnormality in appearance ±2% No significant abnormality in appearance ±3% No significant abnormality in appearance 1.9 inductors KT11835 KT11835 KT11835 Solder pad Chip component -40°C, +20 +125°C Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 234 1/03/13 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com