Ultraminiature surface mount (SMD) MK31 Series Reed Sensor used in On/Off control switch, proximity, motion, position detection. Supplied in tape and reel according to IEC 286/part 3. J-lead design. UL Approval
Portable medical device, security, telecommunications, white goods
Data sheet link:
https://standexelectronics.com/viewer/pdfjs/web/viewer.php?file=https%3A%2F%2Fstandexelectronics.com%2Fwp-content%2Fuploads%2F2015%2F05%2FMK31_V01.pdf