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I found this small (3,0 x 2,5 x 1,0 mm) component on a PCB. It looks interesting, since I have a feeling, there is a bare wafer on it. It has 8 pins and I can read the text on the wafer: "KAD SX". Please have a short look at the pictures. Do you have any idea what this component could be?
yes, this PCB comes from a portable gas concentration measuring device. This component is located below the LCD (old-type, monochrome display). The LCD can not lit, but maybe this piece controls if the backlight is turned on e.g. in alarming mode...
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