Vishay Intertechnology Wireless Charging Coils Offer Direct Replacements for EOL Devices

Vishay Intertechnology, Inc. (NYSE: VSH) today introduced new powdered iron-based, WPC-compliant (Wireless Power Consortium) wireless charging coils that offer direct replacements for devices for which end-of-life (EOL) was announced in 2017. Offering a durable construction and high permeability shielding, the Vishay Dale receiver and transmitter coils provide high efficiency in a variety of industry-standard sizes.

For wireless charging up to 10 W in portable electronics, the six new receiver coils feature inductance of 10.8 µH to 22 µH at 200 kHz with ± 5 % inductance tolerance, typical Q from 29 to 65 at 200 kHz, and DCR from 175 mΩ to 427 mΩ (± 5 %) at +25 °C.

For Qi wireless charging pads, the three new transmitters offer inductance of 6.3 µH to 24 µH at 200 kHz with a ± 5 % inductance tolerance, DCR from 40 mΩ to 75 mΩ (± 5 %) at + 25 °C, and typical Q from 185 to 200 at 200 kHz. The devices are available with heat rated current of 6 A and 7 A, and saturation current of 20 A and 22 A.

Device Specification Table:

Original part numberReplacement part number
IWAS3222BZEB190J50IWAS3222CZEB190JF1
IWAS3827ECEB100J50IWAS3827ABEB110JF1
IWAS3827ECEB100J54  IWAS3827ABEB100JF1
IWAS4832FFEB9R7J50 IWAS4832ABEB110JF1
IWAS4832FEEB150J50  IWAS4832ADEB150JF1
IWAS4832ECEB220J50 IWAS4832AAEB220JF1
IWTX4646BEEB240J50IWTX4646DCEB240JF1
IWTX47R0BEEB6R3J11 IWTX47R0DAEB6R3JF1
IWTX47R0BEEB240K11IWTX47R0EBEB240JF1
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