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Littelfuse extends PTS845 tactile switch series lifespan

19th March 2025
Paige West
0

Littelfuse announces the C&K Switches PTS845 series side-actuated tactile switch now with extended durability.

Designed to meet the needs of electronics engineers, the PTS845 series offers a compact footprint and versatile design options, enabling engineers to free up PCB space, add functionality, or reduce the overall size of their designs. (View the video.)

With dimensions of just 4.5 x 3.4 x 3.3mm, the PTS845 Series delivers operating forces of 80, 160, and 260gf, making it adaptable to a wide range of high-use applications. Its innovative bracket peg design ensures superior mounting strength, while a rated lifespan of up to 1,000,000 cycles provides unmatched reliability in demanding environments.  

Features and benefits                    

  • Compact design: ideal for space-constrained PCB layouts
  • Extended lifespan: rated up to 1,000,000 cycles, delivering long-lasting performance
  • Flexible options: available in multiple force levels (80, 160, 260gf) and various actuator colours for differentiation
  • Enhanced mounting strength: bracket peg design ensures secure placement on the PCB

Markets and applications

The PTS845 Series is specifically designed for applications where durability, reliability, and compact size are essential:

  • Telecom: mobile radios
  • Consumer electronics: dash cameras, gaming peripherals
  • Home automation: smart devices and control systems

A compact solution for high-end applications

“The PTS845 Series provides a compact and robust solution for engineers seeking to optimise PCB space while ensuring high performance in high-use applications,” said Junbao Chen, Design Centre Manager, Electronics Business Unit at Littelfuse. “It’s combination of compact size, durable construction, and multiple force options addresses the most common needs of end-user applications, making it a valuable addition to our tactile switch portfolio. The bracket peg design further enhances the product’s quality and reliability, ensuring it meets the demands of the high-end consumer market.” 

Why the PTS845 series stands out

The PTS845 Series allows designers to create sleek, efficient designs without sacrificing durability or performance. With its ability to withstand up to 1,000,000 cycles and versatile features, it is a cost-effective solution for consumer electronics, telecom devices, and home automation products.

Availability

The PTS845 Tactile Switches are available in tape and reel format in quantities of 1,400. Sample requests are accepted through authorised Littelfuse distributors worldwide.

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