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1 | Type | Electromagnetic air core coil Motor Coil |
2 | Wire diameter | 0.65mm |
3 | Inner Diameter | 20.5+/-0.2mm |
4 | Outer Diameter | 29.2 mm max |
5 | Inductance @120khz/1v | 0.65mH+/-10% uH |
6 | Resistance | 0.91+/-10%ohm |
7 | Electromagnetic air core coil thickness | 25+/-1mm max |
8 | Turn | 210 ts fix |
9 | Lead wire | 30±2mm |
10 | Solder | 1mm no solder |
11 | Lead time of sample | 3-5 working days |
12 | Lead time of mass production | depend on the quantity |
13 | Certificate | ISO9001:2015 and ROHS |



Dongguan Lei Bao Electronic Co., Ltd
is a professional large-scale manufacturer of all types of inductor coil, integrating R&D,production and sales.Our main products include Air core coil, Inductor Coil, toy Coil, RFID Coil, Sensor Coil, Motor coil, QI wireless charger coil ,transformer coil & coil with PCB install.
Our facotory was established in 2007, cover more 2000 square meter, over 100 staffs, and more over 10 years experiences in coil industry.




Inductor Coil Produce Process

Normal Packing Method ( Details please see the below picture)
1. Plastic tray+Carton
2. Also can customize


1. Question: How to make custom copper coil?
Answer: Please provide the specification, the drawing would be the best.
2. Question: What is the lead time for sample?
Answer: Usually it will take about 3-5 working days.
3.Question: What is the lead time for mass production?
Answer: 7-10 days, depending on order quantity.
4. Question: What is the payment terms?
Answer: T/T, paypal or negociation.
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