Reed proximity sensor enables low-power operation

19th November 2014
Nat Bowers

The MK15-501 magnetically operated reed proximity sensor has been introduced by Standex-Meder Electronics. A simple internal structure and SMD mounting make the sensor suited for position-detecting in surface-mounted PCBAs, meter anti-tampering sensors, lid-detectors in household appliances, and heating, ventilation, and air conditioning components.

Requiring no external power for sensor operation, the MK15-501 suits low-power operation, particularly for magnetic systems requiring long operating distances with permanent magnets. The MK15-501 is available for high power switches and in in four operating sensitivities. The reed sensor measures just 16x2.8x2.8mm.

The MK15-501 is available with straight leads for cutting and PCB slot mounting, as well as bent SMD gull wing leads for when the wire coming from a chip bends horizontally to make contact with a solder pad on a substrate. The magnetic pull-in sensitivity is divided into several AT classes at 5 AT steps each.

The sensors are supplied taped and reeled according to IEC 286-3, suitable for auto-placement.

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