NFC/RFID Transponder Coils

NFC (Near Field Communication) and RFID (Radio Frequency Identification) transponder coils are components used in contactless communication systems. These coils are essential for enabling wireless communication between devices or tags and readers in applications such as access control, payment systems, inventory management, and asset tracking.
NFC and RFID transponder coils are typically made of conductive wire wound into a coil shape. The coils are designed to resonate at specific frequencies, usually within the high-frequency (HF) or ultra-high-frequency (UHF) ranges. The resonant frequency depends on factors such as the number of turns in the coil and its physical dimensions.
In NFC systems, the transponder coil is embedded in NFC-enabled devices, such as smartphones or contactless cards. The coil acts as an antenna for both transmitting and receiving data. When an NFC-enabled device is brought near an NFC reader, the transponder coil in the device picks up the radio frequency signal from the reader and uses it to exchange data between the two devices.
In RFID systems, transponder coils are typically found in RFID tags or labels. These tags contain a microchip and an antenna coil. When the RFID tag is within range of an RFID reader, the reader emits a radio frequency signal, which is picked up by the transponder coil in the tag. The coil then converts the energy from the radio frequency signal into electrical energy, which powers the microchip in the tag. The microchip can then transmit data back to the reader using the same coil.
The design of NFC and RFID transponder coils is crucial to ensure efficient communication and reliable performance. Factors such as the number of turns, coil diameter, spacing between the turns, and the choice of conductor material all impact the coil's resonance frequency, signal strength, and reading range.
Overall, NFC and RFID transponder coils play a vital role in enabling contactless communication in various applications. They allow for convenient, secure, and efficient wireless data exchange between devices and tags, making them widely used in industries such as transportation, logistics, retail, and access control.
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(Ex. GST)(▲▼)		Enter Qty Package / CaseInductanceToleranceMaximum DC CurrentMaximum DC ResistanceSaturation CurrentQ MinimumSelf Resonant FrequencyMinimum Operating TemperatureMaximum Operating TemperatureCore MaterialQualificationSeriesPackaging
  
                  
KT11835TTEG502G


NFC/RFID Transponder Coils Trans. Coil Inductor 5mH 2%
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KOA Speer 188
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AUD 0.1821
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11.8 mm x 3.6 mm5 mH2 %22 mA75 Ohms 32800 KHz- 40 C+ 125 C Aec - Q200Ktkt11835Reel
1812AFTC-722K-01


NFC/RFID Transponder Coils 7.2mH 10% SRF 470
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Fastron 169
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AUD 1.015
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4.9 mm x 3.8 mm x 3.65 mm7.2 mH10 %-250 Ohms-16470 KHz- 40 C+ 125 CCeramicAEC - Q2001812AFTCReel , Cut Tape
4408AF-812J-04


NFC/RFID Transponder Coils Inductor (Transponder Coil); 8.1mH; Tol: 5%
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Fastron 169
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AUD 1.3348
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11.6 mm x 3.2 mm x 2.84 mm8.1 mH5 % 125 Ohms-28310 KHz  CeramicAEC - Q2004408AFReel , Cut Tape
KT11835TTEG722G


NFC/RFID Transponder Coils Trans. Coil Inductor 7.2mH 2% Tol.
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KOA Speer 82
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AUD 1.466
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11.8 mm x 3.6 mm7.2 mH2 %15 mA92 Ohms 40750 KHz- 40 C+ 125 C Aec - Q200Ktkt11835Reel
1812AFTC-292K-01


NFC/RFID Transponder Coils 2.89mH 10% SRF 620
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Fastron 17
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AUD 0.9357
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4.9 mm x 3.8 mm x 3.65 mm2.89 mH10 %     - 40 C+ 125 C AEC - Q2001812AFTCReel
KT11835TTEG402G


NFC/RFID Transponder Coils Trans. Coil Inductor 4mH 2% Tol.
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KOA Speer 0
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AUD 0.0005
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11.8 mm x 3.6 mm4 mH2 %25 mA45 Ohms 3660 KHz   Aec - Q200Ktkt11835Reel
KT11835TTEG242G


NFC/RFID Transponder Coils Trans. Coil Inductor 2.4mH 2% Tol.
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KOA Speer 0
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AUD 0.2018
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11.8 mm x 3.6 mm2.4 mH2 %30 mA32 Ohms 32700 KHz- 40 C+ 125 C Aec - Q200Ktkt11835Reel
TPLC553030-592H


NFC/RFID Transponder Coils 5.89mH 3% Transpndr Coil AEC-Q200
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AUD 0.3735
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 5.9 mH3 % 70 Ohms 35 - 40 C+ 125 C  TplcCut Tape
1210FTC-102K-01


NFC/RFID Transponder Coils 1.00mH 125kHz Transponder Coil
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Fastron 0
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AUD 0.4629
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3.8 mm x 3 mm x 2.4 mm1 mH10 %     - 40 C+ 85 C AEC - Q2001210FTCReel
1812AFTC-412K-01


NFC/RFID Transponder Coils 4.15mH 10% SRF 600
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Fastron 0
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AUD 0.4695
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4.9 mm x 3.8 mm x 3.65 mm4.15 mH10 %     - 40 C+ 125 C AEC - Q2001812AFTCReel
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