Custom Rectangular Self-Bonding Air Core Copper Coil – OEM/ODM
Custom rectangular self-bonding air-core copper coil made to your drawing — wire gauge, turns, dimensions, resistance and inductance specified per project. WhatsApp: +86 159 1665 7469 | Email: 15916657469@163.com
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📐 Product Overview
We supply custom enameled copper wire air-core coils. Each coil is precision-wound with high-quality enameled copper wire and thermally self-bonded into shape without a bobbin, giving a stable form and reliable electrical performance. Standard 2-lead design with a single winding. Typical applications include wireless charging, NFC/RFID antennas and inductive sensors.
✨ Key Features
| Feature | Description |
|---|---|
| Fully Customizable | Shape, dimensions, wire gauge and turns — all per your drawing. |
| Self-Bonding Tech | Thermal self-bonding, bobbin-free, stable shape. |
| 2-Lead Design | Standard 2-wire lead-out for easy integration. |
| 100% Tested | Electrical inspection before shipment, subject to the agreed inspection standard. |
⚙️ Customization Options
| Parameter | Custom Range |
|---|---|
| Coil Shape | Rectangular (stadium), round, oval, square, or custom. |
| Dimensions | Length, width, inner/outer diameter, thickness — per customer drawing. |
| Wire Gauge | 0.03 mm – 0.80 mm (or specified AWG). |
| Turns | As required by design. |
| Inductance | Customized per application. |
| Temp. Rating | 130 °C / 155 °C / 180 °C (optional). |
| MOQ | 1,000 pcs (sample order negotiable). |
🏭 Typical Applications
- 🔋 Wireless Charging (Rx/Tx coils)
- 📡 NFC/RFID Antennas
- 📐 Inductive Sensors
- 🔊 Voice Coil Actuators
- 🧲 Electromagnetic Actuators
- 🌐 IoT Device Inductors
📋 Ordering Process
- Submit Inquiry: Send drawing, sample, or specification.
- Engineering Review: Feasibility and cost are evaluated.
- Quotation: Price, lead time and tooling cost, where applicable.
- Sample: Prototype samples are available, subject to project evaluation.
- Production: Scheduled with the selected supplier after approval.
❓ FAQ
Q: What is the MOQ?
A: MOQ is 1,000 pcs. Lower quantities can be discussed for prototypes, subject to project evaluation.
Q: Can I send a sample instead of a drawing?
A: Yes. We can work from your sample to confirm the specification and evaluate suitable supply options.
Q: How long does production take?
A: Lead time is confirmed per project once the specification is fixed, typically 15–30 days after sample approval.
📩 Request a Quote
Email: 15916657469@163.com
Send your drawing and target specification. We review the requirements and come back with suitable supply options.
How to make custom copper coil?
Please provide the specification of product you need to us, the drawing is the best.
What is the material of product?
The main material is copper wire, for assemble product, other material is based on customer requirements, such as ferrite sheet, connector wire, ferrite rod, iron rod and so on.
What is the lead time to make sample?
Usually it will take about 13-15 working days.
What is the payment terms?
T/T, paypal or negociation.
