Part Number Channels Metal Identification Self Cap Mutual Cap Interface Package
WF501A 1   1ch 1ch I2C 10L-DFN2X2
WF502A 2 ü 2ch 2ch I2C 10L-DFN2X2
WF503A 3 ü 3ch 3ch I2C 10L-DFN2X2
WF501P 1   1ch 1ch GPIO 10L-DFN2X2