E-mech

Low-profile tactile switch for wearable devices

28th April 2021
C&K
Alex Lynn

C&K has developed a miniature SMT tactile switch designed for wearable and portable IoT devices. The PTS847 Series side-actuated tact switch combines a space-saving design with heightened durability to handle drop-impacts common to consumer devices.

At only 4.6x2.2x2.6mm, the PTS847 Series features an edge mount configuration that raises a mere 0.95mm above the PCB for valuable PCB saving and customer system space saving. Supporting 200K cycles, the low profile SMT switches are commonly used in wearable and IoT devices including sport watches, hearing aids, health monitoring devices, Bluetooth accessories and more.

Offering higher reliability compared to traditional miniature tact switches, the side actuation PTS847 Series switch is available with an optional rugged bracket. The bracket has an L-shape termination design that provides additional soldering strength in the operating direction. The SMT tactile switches provide full integration into reflow soldering standard processes, reducing time and costs for OEMs.

To meet a wide variety of application requirements, the PTS847 is available in two standard actuation forces including a 160gf version and a 350gf version.

"The compact side-actuated PTS847 Series increases reliability, and eliminates integration challenges for designers of wearable and portable IoT devices," said Daisy Liu, Global Product Manager at C&K. "We are proud to continue expanding the PTS switch family to enable customers to reduce the size of their end products without compromising performance and reliability."

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