14 New Qi Wireless Transmitter & Receiver Coils in Industry-Standard Sizes

launched by Vishay Intertechnology.  Products Offer Designers a Source for Most Widely Used Coils in Wireless Charging Pads

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.