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.

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Image	Stock Code(▲▼)	Description	Manufacturer	Global Stock ⓘ (▲▼)	Price(USD) (Ex. GST)(▲▼)	Enter Qty	Package / Case	Inductance	Tolerance	Maximum DC Current	Maximum DC Resistance	Saturation Current	Q Minimum	Self Resonant Frequency	Minimum Operating Temperature	Maximum Operating Temperature	Core Material	Qualification	Series	Packaging

1812AFTC-722K-01

NFC/RFID Transponder Coils 7.2mH 10% SRF 470

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 : 370
Ship by Fri. 19 Jun to Tue. 23 Jun

June 2026

June 2026
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23	31	1	2	3	4	5	6
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28	5	6	7	8	9	10	11

USD 0.5417

Multiples of: 1

4.9 mm x 3.8 mm x 3.65 mm

7.2 mH

10 %

250 Ohms

470 KHz

- 40 C

+ 125 C

Ceramic

AEC - Q200

1812AFTC

Reel , Cut Tape

1812AFTC-342K-01

NFC/RFID Transponder Coils 3.44mH 10% SRF 600

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 : 358
Ship by Fri. 19 Jun to Tue. 23 Jun

June 2026

June 2026
	S	M	T	W	T	F	S
23	31	1	2	3	4	5	6
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26	21	22	23	24	25	26	27
27	28	29	30	1	2	3	4
28	5	6	7	8	9	10	11

USD 0.4807

Multiples of: 1

4.9 mm x 3.8 mm x 3.65 mm

3.44 mH

10 %

- 40 C

+ 125 C

AEC - Q200

1812AFTC

Reel

4408AF-901J-08

NFC/RFID Transponder Coils .9mH 5% DCR13.9 SRF 760 kHz

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
Ship by Fri. 19 Jun to Tue. 23 Jun

June 2026

June 2026
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23	31	1	2	3	4	5	6
24	7	8	9	10	11	12	13
25	14	15	16	17	18	19	20
26	21	22	23	24	25	26	27
27	28	29	30	1	2	3	4
28	5	6	7	8	9	10	11

USD 1.2396

Multiples of: 1

4408

900 uH

5 %

13.9 Ohms

760 KHz

- 40 C

+ 125 C

Ceramic, Ferrite

4408Af

Reel

B82451L4754E402

NFC/RFID Transponder Coils 4.75mH 3% Transpondr Z Coil AEC-Q200

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.

TDK

Availability : 253
Ship by Fri. 19 Jun to Tue. 23 Jun

June 2026

June 2026
	S	M	T	W	T	F	S
23	31	1	2	3	4	5	6
24	7	8	9	10	11	12	13
25	14	15	16	17	18	19	20
26	21	22	23	24	25	26	27
27	28	29	30	1	2	3	4
28	5	6	7	8	9	10	11

USD 0.7946

Multiples of: 1

4.75 mH

3 %

40.3 Ohms

1.2 MHz

- 40 C

+ 85 C

Ferrite

Aec - Q200

B82451l

Reel

1210FTC-112K-01

NFC/RFID Transponder Coils 1.08mH 125kHz Transponder Coil

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 : 151
Ship by Fri. 19 Jun to Tue. 23 Jun

June 2026

June 2026
	S	M	T	W	T	F	S
23	31	1	2	3	4	5	6
24	7	8	9	10	11	12	13
25	14	15	16	17	18	19	20
26	21	22	23	24	25	26	27
27	28	29	30	1	2	3	4
28	5	6	7	8	9	10	11

USD 0.2808

Multiples of: 1

3.8 mm x 3 mm x 2.4 mm

1.08 mH

10 %

- 40 C

+ 85 C

AEC - Q200

1210FTC

Reel

KT11835TTEG402G

NFC/RFID Transponder Coils Trans. Coil Inductor 4mH 2% Tol.

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.

KOA Speer

Availability : 0

USD 0.0004

Multiples of: 1

11.8 mm x 3.6 mm

4 mH

2 %

25 mA

45 Ohms

60 KHz

Aec - Q200

Ktkt11835

Reel

KT11835TTEG722G

NFC/RFID Transponder Coils Trans. Coil Inductor 7.2mH 2% Tol.

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.

KOA Speer

Availability : 0

USD 0.0004

Multiples of: 1

11.8 mm x 3.6 mm

7.2 mH

2 %

15 mA

92 Ohms

750 KHz

- 40 C

+ 125 C

Aec - Q200

Ktkt11835

Reel

KT11835TTEG502G

NFC/RFID Transponder Coils Trans. Coil Inductor 5mH 2%

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.

KOA Speer

Availability : 0

USD 0.1275

Multiples of: 1

11.8 mm x 3.6 mm

5 mH

2 %

22 mA

75 Ohms

800 KHz

- 40 C

+ 125 C

Aec - Q200

Ktkt11835

Reel

KT11835TTEG242G

NFC/RFID Transponder Coils Trans. Coil Inductor 2.4mH 2% Tol.

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.

KOA Speer

Availability : 0

USD 0.1413

Multiples of: 1

11.8 mm x 3.6 mm

2.4 mH

2 %

30 mA

32 Ohms

700 KHz

- 40 C

+ 125 C

Aec - Q200

Ktkt11835

Reel

TPLC553030-592H

NFC/RFID Transponder Coils 5.89mH 3% Transpndr Coil AEC-Q200

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.

TDK

Availability : 0

USD 0.2614

Multiples of: 1

5.9 mH

3 %

70 Ohms

- 40 C

+ 125 C

Tplc

Cut Tape

1210FTC-102K-01

NFC/RFID Transponder Coils 1.00mH 125kHz Transponder Coil

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 : 0

USD 0.324

Multiples of: 800

3.8 mm x 3 mm x 2.4 mm

1 mH

10 %

- 40 C

+ 85 C

AEC - Q200

1210FTC

Reel

1812AFTC-412K-01

NFC/RFID Transponder Coils 4.15mH 10% SRF 600

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 : 0

USD 0.3286

Multiples of: 1

4.9 mm x 3.8 mm x 3.65 mm

4.15 mH

10 %

- 40 C

+ 125 C

AEC - Q200

1812AFTC

Reel

1210FTC-132K-01

NFC/RFID Transponder Coils 1.29mH 125kHz Transponder Coil

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 : 0

USD 0.3337

Multiples of: 1

3.8 mm x 3 mm x 2.4 mm

1.29 mH

10 %

- 40 C

+ 85 C

AEC - Q200

1210FTC

Reel

1812AFTC-742K-01

NFC/RFID Transponder Coils 7.36mH 10% SRF 470

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 : 0

USD 0.4126

Multiples of: 1

4.9 mm x 3.8 mm x 3.65 mm

7.36 mH

10 %

- 40 C

+ 125 C

AEC - Q200

1812AFTC

Reel

1812AFTC-102K-01

NFC/RFID Transponder Coils Transponder Chip Inductor

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 : 0

USD 0.4738

Multiples of: 1

1 mH

± 10 %

Ceramic Ferrite

1812AFTC-292K-01

NFC/RFID Transponder Coils 2.89mH 10% SRF 620

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 : 0

USD 0.5844

Multiples of: 600

4.9 mm x 3.8 mm x 3.65 mm

2.89 mH

10 %

- 40 C

+ 125 C

AEC - Q200

1812AFTC

Reel

B82450A1344C000

NFC/RFID Transponder Coils Transponder coil TC1210 1340 UH 5%

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.

TDK

Availability : 0

USD 0.735

Multiples of: 1

3.2 mm 2.5 mm x 2.2 mm

1.34 mH

5 %

42 Ohms

2 MHz

- 40 C

+ 125 C

Ferrite

AEC - Q200

B82450A

Reel

4408AF-492J-04

NFC/RFID Transponder Coils 4.9mH 5% DCR80 SRF 380 kHz

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 : 0

USD 0.7377

Multiples of: 3000

4408

4.9 mH

5 %

80 Ohms

380 KHz

- 40 C

+ 125 C

Ceramic, Ferrite

4408Af

Reel

4408AF-902J-04

NFC/RFID Transponder Coils 9mH 5% DCR 111.6 SRF 310 kHz

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 : 0

USD 0.7377

Multiples of: 3000

4408

9 mH

5 %

111.6 Ohms

310 KHz

- 40 C

+ 125 C

Ceramic, Ferrite

4408Af

Reel

B82451A2384D000

NFC/RFID Transponder Coils Transponder coil TC1812 2380 UH 5%

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.

TDK

Availability : 0

USD 0.7745

Multiples of: 1

1812 (4532 METRIC)

2.38 mH

5 %

43 Ohms

- 40 C

+ 125 C

AEC - Q200

B82451A