About NFC/RFID Transponder Coils

Tdk 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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(Ex. GST)(▲▼)		Enter Qty Package / CaseInductanceToleranceMaximum DC CurrentMaximum DC ResistanceSaturation CurrentQ MinimumSelf Resonant FrequencyMinimum Operating TemperatureMaximum Operating TemperatureCore MaterialQualificationSeriesPackaging
  
                  
B82450A1084C000


NFC/RFID Transponder Coils TRANSPONDER COIL TC1210 1080 UH 5%
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TDK Availability : 911
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USD 0.5313
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3.2 mm 2.5 mm x 2.2 mm1.08 mH5 %-35 Ohms-152.5 MHz- 40 C+ 125 CFerriteAEC - Q200B82450AReel , Cut Tape
B82451L4754E402


NFC/RFID Transponder Coils 4.75mH 3% Transpondr Z Coil AEC-Q200
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TDK Availability : 444
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USD 1.046
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 4.75 mH3 % 40.3 Ohms 581.2 MHz- 40 C+ 85 CFerriteAec - Q200B82451lReel
B82450A1344C000


NFC/RFID Transponder Coils Transponder coil TC1210 1340 UH 5%
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USD 0.6774
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3.2 mm 2.5 mm x 2.2 mm1.34 mH5 % 42 Ohms 152 MHz- 40 C+ 125 CFerriteAEC - Q200B82450AReel
B82451A2384D000


NFC/RFID Transponder Coils Transponder coil TC1812 2380 UH 5%
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USD 0.7192
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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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USD 0.739
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 1 mH3 % 9 Ohms 553 MHz- 40 C+ 85 CFerriteAec - Q200B82451lReel
B82450A1004A000


NFC/RFID Transponder Coils 1.0mH 125KHz Tol=3% Q=40 Fres=3.5MHz
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USD 0.7874
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11.4 mm x 3.5 mm x 2.4 mm1 mH3 %---403.5 MHz- 40 C+ 125 CFerriteAEC - Q200B82450AReel , Cut Tape
B82450A7004A000


NFC/RFID Transponder Coils 7.0mH 125KHz Tol=3% Q=40 Fres=1.1MHz
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USD 0.7874
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11.4 mm x 3.5 mm x 2.4 mm7 mH3 %  ---- 40 C+ 125 CFerriteAEC - Q200B82450AReel , Cut Tape
B82450A7204A000


NFC/RFID Transponder Coils 7.2mH 25x35
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USD 0.8198
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 7.2 mH3 %   401 MHz- 40 C+ 125 CFerriteAec - Q200B82450a - ACut Tape
B82451L4814E402


NFC/RFID Transponder Coils 4.81mH 3% Transpondr Z Coil AEC-Q200
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USD 1.0645
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 4.81 mH3 % 40.7 Ohms 581.2 MHz- 40 C+ 85 CFerriteAec - Q200B82451lReel
B82451L7804E402


NFC/RFID Transponder Coils 7.80mH 3% Transpondr Z Coil AEC-Q200
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USD 1.0645
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 7.8 mH3 % 84.5 Ohms 50900 KHz- 40 C+ 85 CFerriteAec - Q200B82451lReel
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