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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B82453C0203A000


NFC/RFID Transponder Coils 4.75mH 3% Transpondr 3D Z Coil AEC-Q200
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TDK 848
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AUD 5.61
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 7.2 mH3 %-165 Ohms 22.05600 KHz- 40 C+ 85 CPhosphor BronzeAec - Q200B82453cCut Tape
B82451N4754E002


NFC/RFID Transponder Coils 4.75mH 125KHz Tol=3% Q=50 Fres=1.2MHz
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TDK 736
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AUD 1.1935
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7.7 mm x 7.5 mm x 2.65 mm4.75 mH3 %-42 Ohms-501.2 MHz- 40 C+ 125 CFerriteAEC - Q200B82451NReel , Cut Tape
1812AFTC-492K-01


NFC/RFID Transponder Coils 4.91mH 10% SRF 560
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Fastron 537
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AUD 0.9357
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4.9 mm x 3.8 mm x 3.65 mm4.91 mH10 %     - 40 C+ 125 C AEC - Q2001812AFTCReel
1812AFTC-602K-01


NFC/RFID Transponder Coils 6mH 10% SRF 530
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Fastron 471
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4.9 mm x 3.8 mm x 3.65 mm6 mH10 %     - 40 C+ 125 C AEC - Q2001812AFTCReel
1143AA-722J=P3


NFC/RFID Transponder Coils
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Murata 460
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AUD 1.3769
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-7.2 mH5 %-- --- 40 C+ 125 C- Sa3m08Reel
1210FTC-112K-01


NFC/RFID Transponder Coils 1.08mH 125kHz Transponder Coil
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Fastron 427
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3.8 mm x 3 mm x 2.4 mm1.08 mH10 %     - 40 C+ 85 C AEC - Q2001210FTCReel
1812AFTC-342K-01


NFC/RFID Transponder Coils 3.44mH 10% SRF 600
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Fastron 383
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4.9 mm x 3.8 mm x 3.65 mm3.44 mH10 %     - 40 C+ 125 C AEC - Q2001812AFTCReel
1335CCN-272J=P3


NFC/RFID Transponder Coils
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Murata 369
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AUD 6.199
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-2.7 uH5 %-- --- 40 C+ 85 C-Aec - Q200Sa3d12Cut Tape
4408AF-901J-08


NFC/RFID Transponder Coils .9mH 5% DCR13.9 SRF 760 kHz
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Fastron 346
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AUD 1.7708
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4408900 uH5 % 13.9 Ohms 28760 KHz- 40 C+ 125 CCeramic, Ferrite 4408AfReel
B82451L4754E402


NFC/RFID Transponder Coils 4.75mH 3% Transpondr Z Coil AEC-Q200
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TDK 329
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AUD 1.1476
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 4.75 mH3 % 40.3 Ohms 581.2 MHz- 40 C+ 85 CFerriteAec - Q200B82451lReel
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