About NFC/RFID Transponder Coils

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.

NFC/RFID Transponder Coils

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Image  Information Image Stock Code(▲▼)Description
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(Ex. GST)(▲▼)		Enter Qty Package / CaseInductanceToleranceMaximum DC CurrentMaximum DC ResistanceSaturation CurrentQ MinimumSelf Resonant FrequencyMinimum Operating TemperatureMaximum Operating TemperatureCore MaterialQualificationSeriesPackaging
  
                  
4408AF-901J-08


NFC/RFID Transponder Coils .9mH 5% DCR13.9 SRF 760 kHz
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Fastron Availability : 346
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USD 1.1156

Multiples of: 1

4408900 uH5 % 13.9 Ohms 28760 KHz- 40 C+ 125 CCeramic, Ferrite 4408AfReel
1812AFTC-722K-01


NFC/RFID Transponder Coils 7.2mH 10% SRF 470
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Fastron Availability : 324
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USD 0.5674

Multiples of: 1

4.9 mm x 3.8 mm x 3.65 mm7.2 mH10 %-250 Ohms-16470 KHz- 40 C+ 125 CCeramicAEC - Q2001812AFTCReel , Cut Tape
1812AFTC-242K-01


NFC/RFID Transponder Coils 2.38mH 10% SRF 650
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Fastron Availability : 265
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USD 0.5689

Multiples of: 1

4.9 mm x 3.8 mm x 3.65 mm2.38 mH10 %-75 Ohms-19650 KHz- 40 C+ 125 CCeramicAEC - Q2001812AFTCReel , Cut Tape
Hot KT11835TTEG242G


NFC/RFID Transponder Coils Trans. Coil Inductor 2.4mH 2% Tol.
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KOA Speer Availability : 189
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USD 0.0325

Multiples of: 1

11.8 mm x 3.6 mm2.4 mH2 %30 mA32 Ohms 32700 KHz- 40 C+ 125 C Aec - Q200Ktkt11835Reel
Hot KT11835TTEG502G


NFC/RFID Transponder Coils Trans. Coil Inductor 5mH 2%
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KOA Speer Availability : 188
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USD 0.0325

Multiples of: 1

11.8 mm x 3.6 mm5 mH2 %22 mA75 Ohms 32800 KHz- 40 C+ 125 C Aec - Q200Ktkt11835Reel
4408AF-812J-04


NFC/RFID Transponder Coils Inductor (Transponder Coil); 8.1mH; Tol: 5%
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Fastron Availability : 169
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USD 0.8409

Multiples of: 1

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 Availability : 82
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USD 0.9236

Multiples of: 1

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 Availability : 17
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USD 0.5895

Multiples of: 1

4.9 mm x 3.8 mm x 3.65 mm2.89 mH10 %     - 40 C+ 125 C AEC - Q2001812AFTCReel
4408AF-242J-04


NFC/RFID Transponder Coils 2.38mH 5% DCR30.8 SRF 560 kHz
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Fastron Availability : 9
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USD 0.845

Multiples of: 1

44082.38 mH5 % 30.8 Ohms 32560 KHz- 40 C+ 125 CCeramic, Ferrite 4408AfReel
KT11835TTEG402G


NFC/RFID Transponder Coils Trans. Coil Inductor 4mH 2% Tol.
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KOA Speer Availability : 0
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USD 0.0003

Multiples of: 1

11.8 mm x 3.6 mm4 mH2 %25 mA45 Ohms 3660 KHz   Aec - Q200Ktkt11835Reel
1210FTC-102K-01


NFC/RFID Transponder Coils 1.00mH 125kHz Transponder Coil
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Fastron Availability : 0
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USD 0.2916

Multiples of: 800

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 Availability : 0
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USD 0.2958

Multiples of: 1

4.9 mm x 3.8 mm x 3.65 mm4.15 mH10 %     - 40 C+ 125 C AEC - Q2001812AFTCReel
1210FTC-132K-01


NFC/RFID Transponder Coils 1.29mH 125kHz Transponder Coil
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Fastron Availability : 0
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USD 0.3003

Multiples of: 1

3.8 mm x 3 mm x 2.4 mm1.29 mH10 %     - 40 C+ 85 C AEC - Q2001210FTCReel
1812AFTC-742K-01


NFC/RFID Transponder Coils 7.36mH 10% SRF 470
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Fastron Availability : 0
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USD 0.3713

Multiples of: 1

4.9 mm x 3.8 mm x 3.65 mm7.36 mH10 %     - 40 C+ 125 C AEC - Q2001812AFTCReel
1812AFTC-102K-01


NFC/RFID Transponder Coils Transponder Chip Inductor
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Fastron Availability : 0
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USD 0.4264

Multiples of: 1

 1 mH± 10 %       Ceramic Ferrite   
B82450A1344C000


NFC/RFID Transponder Coils Transponder coil TC1210 1340 UH 5%
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TDK Availability : 0
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USD 0.6565

Multiples of: 1

3.2 mm 2.5 mm x 2.2 mm1.34 mH5 % 42 Ohms 152 MHz- 40 C+ 125 CFerriteAEC - Q200B82450AReel
4408AF-492J-04


NFC/RFID Transponder Coils 4.9mH 5% DCR80 SRF 380 kHz
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Fastron Availability : 0
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USD 0.664

Multiples of: 3000

44084.9 mH5 % 80 Ohms 29380 KHz- 40 C+ 125 CCeramic, Ferrite 4408AfReel
4408AF-902J-04


NFC/RFID Transponder Coils 9mH 5% DCR 111.6 SRF 310 kHz
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Fastron Availability : 0
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USD 0.664

Multiples of: 3000

44089 mH5 % 111.6 Ohms 28310 KHz- 40 C+ 125 CCeramic, Ferrite 4408AfReel
B82451A2384D000


NFC/RFID Transponder Coils Transponder coil TC1812 2380 UH 5%
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TDK Availability : 0
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USD 0.697

Multiples of: 1

1812 (4532 METRIC)2.38 mH5 % 43 Ohms 25 - 40 C+ 125 C AEC - Q200B82451AReel
B82451L1004E402


NFC/RFID Transponder Coils 1.0mH 3% Transponder Z Coil AEC-Q200
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TDK Availability : 0
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USD 0.7162

Multiples of: 1

 1 mH3 % 9 Ohms 553 MHz- 40 C+ 85 CFerriteAec - Q200B82451lReel
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