( ) Wireless Charging Coils Multi Overview Signals Wireless Charging Coil (WCC) Series are wireless charging transmission coils, available in single, double and multiple windings congfi urations. The WCC Series allows power to be transmitted wirelessly through inductive coupling to charge an array of products. The WCC Series transmitter coils utilize inductive coupling to transfer signals, data and power from one source to another. Of its many applications, the most common include phones, tablets, gaming controllers, wearable devices, toothbrushes, robotic cleaners, drones and many smart car Model Shown: WTM-7R0K-A28, Top View charging applications. The advantages of the WCCs use of inductive coupling eliminates conductive connections and traditional wiring, seamlessly transferring data and power while avoiding the mechanical abrasion, corrosion and wearing- out of conductive contacts. The fixed-in position inductive coils are non-moving, resistant to vibration and corrosion, and are designed for reliability and longevity. Features 1. Pin cooling technology and tight pin tolerance control within +/-1.0 mm after the Tin Immersion process 2. Two core shapes, square/rectangular (Q) or circular (C) 3. Size and shape characteristics are customizable 4. Qi standard compliance 5. Low profile & high mechanical intensity 6. Inductance tolerance is 5% for (J), 10% for (K), with inductance of 6R3 for 6.3uH 7. Performance had been confirmed based on WPC equipment 8. Operating temp: -20C to 85C (general applications) -40C to 125C (automotive) 9. Compliance with all environmental requirements, including RoHS, REACH, Prop 65 & Conflict Minerals Custom versions available upon request. 2020 Signal Transformer Inc. Specifications subject to change without notice. 06.20 128 Atlantic Avenue, Lynbrook, NY 11563 Toll Free 866-239-5777 Tel 516-239-5777 Fax 516-239-7208 sales signaltransformer.com techhelp signaltransformer.com RoHS Compliant belfuse.com/signal( ) Wireless Charging Coils Multi Product Identification W T S C 6R3 K A11 (1) (2) (3) (4) - (5) (6) - (7) (1) Wireless Charging Coil Assembly (2) Location: T: Transmitter, R: Receive (3) Number of Windings: S: Single, M: Multiple (4) Single Winding Core Shape: Q: Square/rectangle, C: Circular (5) Inductance: 6R3 for 6.3uH Model Shown: (6) Inductance Tolerance: J: 5%, K: 10% WTM-12R5K-A28, (7) Qi Standard Code or other Top View 94.0 1.5 100.0 1.5 8.0 REF 8.0 REF 8.0 REF 8.0 REF 6.0 6.0 Coil 1 Coil 1 Coil 2 Coil 2 220 REF0 REF 220 REF0 REF 9.0 REF 99.5 RE5 REFF 4.0 MAX 4.0 MAX P/N: WTM-7R3K-S7 P/N: WTM-7R1K-A28 Structure size (mm) 100.0 X 55.0 X 4.0 Structure size (mm) 94.0 X 52.0 X 4.0 L1,2 (uH) 7.310% L1,2 (uH) 7.110% Test Frequency 100kHz, 1.0V Test Frequency 100kHz, 1.0V DCR1 (m) 50 MAX DCR1 (m) 45 MAX DCR2 (m) DCR2 (m) 50 MAX 45 MAX I rms (A) 7.0 I rms (A) 7.0 I sat (A) 12.0 I sat (A) 10.0 Product thickness size does not contain release paper. Product thickness size does not contain release paper. Custom versions available upon request. 2020 Signal Transformer Inc. Specifications subject to change without notice. 06.20 128 Atlantic Avenue, Lynbrook, NY 11563 Toll Free 866-239-5777 Tel 516-239-5777 Fax 516-239-7208 sales signaltransformer.com techhelp signaltransformer.com RoHS Compliant belfuse.com/signal 30.0 2.0 55.0 1.0 25.0 2.0 52.0 1.0