B82451L Transponder Coils

EPCOS / TDK  B82451L Transponder Coils are z-axis coils designed for passive entry, passive start (PEPS) vehicle access systems and RFID systems at 125kHz. These compact coils feature a low insertion height and dimensions of only 7.7mm x 7.4mm x 2.65mm. The B82451L series includes seven transponder coils with an inductance range from 1mH to 10mH and a sensitivity of 7mV/µT to 23mV/µT at 125kHz. The Q factor ranges from 50 to 58. EPCOS / TDK  B82451L Transponder Coils are AEC-Q200 qualified and robust due to the injection-molded plastic baseplate and laser-welded connections of the winding.

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Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Package/Case
Inductance
Tolerance
Maximum DC Resistance
Q Minimum
Self Resonant Frequency
Minimum Operating Temperature
Maximum Operating Temperature
Core Material
Qualification
Series
Packaging
EPCOS / TDK NFC/RFID Transponder Coils 4.75mH 3% Transpondr Z Coil AEC-Q200
Datasheet
286In Stock
Min.: 1
Mult.: 1
Reel: 1,500

7.7 mm x 7.4 mm x 2.65 mm 4.75 mH 3 % 40.3 Ohms 58 1.2 MHz - 40 C + 85 C Ferrite AEC-Q200 B82451L Reel, Cut Tape
EPCOS / TDK NFC/RFID Transponder Coils 4.66mH 3% Transpondr Z Coil AEC-Q200
Datasheet
1,130In Stock
Min.: 1
Mult.: 1
Reel: 1,500

7.7 mm x 7.4 mm x 2.65 mm 4.66 mH 3 % 38.5 Ohms 58 1.2 MHz - 40 C + 85 C Ferrite AEC-Q200 B82451L Reel, Cut Tape
EPCOS / TDK NFC/RFID Transponder Coils 10mH 3% Transponder Z Coil AEC-Q200
Datasheet
1,197In Stock
Min.: 1
Mult.: 1
Reel: 1,500

7.7 mm x 7.4 mm x 2.65 mm 10 mH 3 % 104 Ohms 50 850 kHz - 40 C + 85 C Ferrite AEC-Q200 B82451L Reel, Cut Tape
EPCOS / TDK NFC/RFID Transponder Coils 1.0mH 3% Transponder Z Coil AEC-Q200
Datasheet
Lead-Time 17 Weeks
Min.: 1
Mult.: 1
Reel: 1,500

7.7 mm x 7.4 mm x 2.65 mm 1 mH 3 % 9 Ohms 55 3 MHz - 40 C + 85 C Ferrite AEC-Q200 B82451L Reel, Cut Tape
EPCOS / TDK NFC/RFID Transponder Coils 2.36mH 3% Transpondr Z Coil AEC-Q200
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 1
Mult.: 1
Reel: 1,500

7.7 mm x 7.4 mm x 2.65 mm 2.36 mH 3 % 20 Ohms 55 2.2 MHz - 40 C + 85 C Ferrite AEC-Q200 B82451L Reel, Cut Tape
EPCOS / TDK NFC/RFID Transponder Coils 4.81mH 3% Transpondr Z Coil AEC-Q200
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 1,500
Mult.: 1,500
Reel: 1,500

7.7 mm x 7.4 mm x 2.65 mm 4.81 mH 3 % 40.7 Ohms 58 1.2 MHz - 40 C + 85 C Ferrite AEC-Q200 B82451L Reel
EPCOS / TDK NFC/RFID Transponder Coils 7.80mH 3% Transpondr Z Coil AEC-Q200
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 1
Mult.: 1
Reel: 1,500

7.7 mm x 7.4 mm x 2.65 mm 7.8 mH 3 % 84.5 Ohms 50 900 kHz - 40 C + 85 C Ferrite AEC-Q200 B82451L Reel, Cut Tape