C&K Components Develops Momentary Action Tactile Switches with Ultra Low Profile, Miniature Footprint

PTS 540 Series ultra-low profile top-actuated tactile switches provide extended lifecycles…

C&K Components has developed a series of surface mount ultra-low profile top-actuated tactile switches with extended operating life cycles up to 500,000. The PTS 540 switches measure just 3.7mm x 3.7mm with a board-mounted profile of 0.35mm.

The PTS 540 Series tactile switches are RoHS-compliant SPST (single-pole, single-throw) top-actuated surface mount devices with a selection of operating force ratings and operating life cycles (160gf ±50; 500,000 cycles, black casing, and 230gf ±50; 200,000 cycles, gray casing) with a travel distance of 0.15mm ±0.1mm and bounce time of less than 10ms.  Contacts are rated for 50mA (max) and 12VDC (max). Operating temperature range is -30°C to 85°C.

“The PTS 540 Series switches are designed to save space, especially in the profile dimension, within today’s miniaturized portable electronic devices, such as MP3 accessories, Bluetooth headsets and remote control devices,” said Jerome Smolinski, senior product manager at C&K Components. “With a choice of actuating forces and operational life cycles up to 500,000, they are well-suited for a wide variety of rugged consumer devices.”

The PTS 540 Series switches are sold in 10,000-piece tape-and-reel packaging.


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