Vishay Intertechnology expanded its offering of Qi-compliant wireless charging transmitter and receiver coils with the introduction of 14 new products in industry-standard shield sizes.
Consisting of eight single-coil transmitters (Tx), three three-coil transmitters (Tx), and three single-coil receivers (Rx), the Vishay Dale products released today offer designers a source for the most popular sizes used in Qi wireless charging pads for handheld battery-powered devices. Available Tx coil types include A11, A6, MP-A9, MP-A6, MP-A4, and MP-A2.
The transmitters offer power ratings from 5 W to 15 W, while receivers feature power ratings of 3.5 W and 5 W. The RoHS-compliant coils operate over temperatures from -40 °C to +125 °C and offer inductance tolerance of +10 %. All configurations are customizable to customer specifications upon request.
Product Specification table
Part # |
Type |
Power rating (W) |
Inductance (µH) |
Typ. Q |
Typ. DCR (mΩ) |
Max. DCR (mΩ) |
Typ. heat rating current (A) |
@ 100 kHz |
@25 °C |
||||||
IWTX50R0CZEB6R3KF1 |
A11 Tx |
5 to 15 |
6.3 |
120 |
36 |
45 |
5 |
IWTX50R0DZEB6R3KF1 |
A 11Tx |
5 to 15 |
6.3 |
90 |
18 |
25 |
10 |
IWTX55R0DZEB8R9KF1 |
MP-A4 Tx |
15 |
8.9 |
98.5 |
47 |
55 |
6 |
IWTX5050CZEB6R3KF1 |
A 11 Tx |
5 to 15 |
6.3 |
120 |
36 |
45 |
5 |
IWTX5050DZEB6R3KF1 |
A11 Tx |
5 to 15 |
6.3 |
90 |
18 |
25 |
10 |
IWTX5555DEEB100KF1 |
MP-A2 Tx |
15 |
10 |
99 |
55 |
80 |
6 |
IWTX9955DEEB110KF3* |
MP-A6 Tx |
15 |
11.3 |
85 |
76 |
90 |
6.5 |
IWTXA653FZEB120KF3* |
A6 Tx |
5 to 10 |
11.5 / 12.5 |
123 |
60 |
80 |
6.5 |
IWTXA148DGEB9R8KF3* |
MP-A9 |
15 |
9.8 / 10.2 |
– |
60 |
80 |
7.0 |
IWTX5050DEEB100KF1 |
Tx |
5 to 15 |
10 |
200 |
27 |
29.7 |
9 |
IWTX5050FEEB100KF1 |
Tx |
5 to 15 |
10 |
200 |
27 |
29.7 |
9 |
IWAS3010AZEB130KF1 |
Rx |
3.5 |
12.9 |
11 |
700 |
780 |
0.8 |
IWAS4832AEEB120KF1 |
Rx |
5 |
12 |
33 |
145 |
200 |
3 |
IWAS4532AGEB140KF1 |
Rx |
5 |
14 |
– |
290 |
355 |
1.2 |
*Three coils |
Samples and production quantities of the new wireless charging transmitter and receiver coils are available now, with lead times of 10 weeks for large orders.