72 wtc3243 pdf datasheets 1578340017 aa5d5b334ecef91a3962e82cd03ac183 9022cc58cb84c41b669c1630655fcc6a6f99c1884aee9e62116e759f1a9a31b4 product datasheet q 2019 03 28 09 33 07 wavelength electronics inc 0 83 99 243 93 2020 02 10 19 release pdf application num_pages pdf_pages pdf_2text timings