Wireless Charging Coils
Wireless charging coils generate an alternating electromagnetic field used to inductively transfer energy to other coils positioned parallel and in close proximity. The energy is used to charge batteries or run the device receiving the energy. The coils may be designed as receivers, transmitters or dual purpose having single or multiple coils and multiple layers of windings. They are rated by their inductance, self resonant frequency, saturation current and Q factor at a given frequency.
Sourcing Signal Transformer Wireless Charging Coils: in-stock lines for quick ship, BOM matching for multi-line builds, and original-channel screening — not keyword stuffing.
Product List
Total Components: 15
| Product | Pricing | Datasheet | Function | Operating Temperature | Size / Dimension | Type | Current - Saturation (Isat) | DC Resistance (DCR) | Frequency - Self Resonant | Q @ Freq | Current Rating (Amps) | Inductance | Tolerance | Stock & Quantity |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 WTSC-6R3K-A11B Signal Transformer | 1 $7.5600 | Transmitter | -20°C ~ 85°C | 1.97" Dia x 0.12" H (50.0mm x 3.0mm) | 1 Coil, 1 Layer | 10A | 40mOhm Max | - | - | 6A | 6.3µH | ±10% | 1,042 | |
 WTSC-6R3K-A11 Signal Transformer | 1 $8.0500 | Transmitter | -20°C ~ 85°C | 1.97" Dia x 0.14" H (50.0mm x 3.5mm) | 1 Coil, 1 Layer | 10A | 40mOhm Max | - | - | 6A | 6.3µH | ±10% | 5,611 | |
 WTSC-24R0K-A10 Signal Transformer | 1 $10.9900 | Transmitter | -20°C ~ 85°C | 1.97" Dia x 0.16" H (50.0mm x 4.0mm) | 1 Coil, 2 Layer | 10A | 85mOhm Max | - | - | 6A | 24µH | ±10% | 6,224 | |
 WTM9R8K-A9 Signal Transformer | 1 $14.5400 | Transmitter | -20°C ~ 85°C | 3.98" L x 2.24" W x 0.16" H (101.0mm x 57.0mm x 4.0mm) | 3 Coil, 1 Layer | 10A | 60mOhm Max, 65mOhm Max | - | - | 8A | 9.8µH, 10.2µH, 9.8µH | ±10% | 2,035 | |
 WTM12R5K-A28 Signal Transformer | 1 $14.0000 | Transmitter | -20°C ~ 85°C | 3.70" L x 2.13" W x 0.16" H (94.0mm x 54.0mm x 4.0mm) | 3 Coil, 1 Layer | 10A | 65mOhm Max | - | - | 7A | 11.5µH, 12.5µH | ±10% | 8,554 | |
 WTM-12R5K-A6 Signal Transformer | 1 $14.2000 | Transmitter | -20°C ~ 85°C | 3.94" L x 2.17" W x 0.16" H (100.0mm x 55.0mm x 4.0mm) | 3 Coil, 1 Layer | 10A | 65mOhm Max | - | - | 7A | 11.5µH, 12.5µH | ±10% | 9,927 | |
 WTSQ-6R3K-A11 Signal Transformer | 1 $3.0833 | Transmitter | -20°C ~ 85°C | 2.09" L x 2.09" W x 0.21" H (53.0mm x 53.0mm x 5.3mm) | 2 Coil, 1 Layer | 10A | 25mOhm Max | - | - | 9A | 6.3µH | ±10% | 1,730 | |
WTSC-10R0K-A3 Signal Transformer | 1 $4.6720 | Transmitter | -20°C ~ 85°C | 1.38" Dia x 0.13" H (35.0mm x 3.3mm) | 1 Coil, 2 Layer | 6A | 75mOhm Max | - | - | 4A | 10µH | ±10% | 4,542 | |
WTSQ-10R0K-MP-A5 Signal Transformer | 1 $6.6268 | Transmitter | -20°C ~ 85°C | 2.09" L x 2.09" W x 0.21" H (53.0mm x 53.0mm x 5.3mm) | 1 Coil, 2 Layer | 10A | 48mOhm Max | - | - | 7A | 10µH | ±10% | 4,333 | |
WTM-7R1K-A28 Signal Transformer | 1 $10.2600 | Transmitter | -20°C ~ 85°C | 3.70" L x 2.05" W x 0.16" H (94.0mm x 52.0mm x 4.0mm) | 2 Coil, 1 Layer | 10A | 45mOhm Max | - | - | 7A | 7.1µH | ±10% | 1,489 | |
WTM-7R3K-S7 Signal Transformer | 1 $10.9654 | Transmitter | -20°C ~ 85°C | 3.94" L x 2.17" W x 0.16" H (100.0mm x 55.0mm x 4.0mm) | 2 Coil, 1 Layer | 12A | 50mOhm Max | - | - | 7A | 7.3µH | ±10% | 3,958 | |
WTM-7R0K-A28 Signal Transformer | 1 $10.9654 | Transmitter | -20°C ~ 85°C | 3.70" L x 2.05" W x 0.16" H (94.0mm x 52.0mm x 4.0mm) | 3 Coil, 1 Layer | 12A | 45mOhm Max | - | - | 7A | 6.5µH, 7µH | ±10% | 5,323 | |
WRSR-12R0K-13 Signal Transformer | 1 $5.5400 | - | - | - | - | - | - | - | - | - | - | - | 6,069 | |
WRSR-16R7K-11 Signal Transformer | 1 $5.5000 | - | - | - | - | - | - | - | - | - | - | - | 6,558 | |
WRSR-11R0K-16 Signal Transformer | 1 $5.0000 | - | - | - | - | - | - | - | - | - | - | - | 4,580 |