A product upgrade for C&K Switches’ KSC2 Sealed Tactile Switch line was formally disclosed by Littelfuse. The Electrical Height improvement is now included in this waterproof tactile switch series that is surface mounted.![Littelfuse C&K Switches' KSC2 Sealed Tactile Switch Line Upgraded the volt post](https://thevoltpost.com/wp-content/uploads/2024/08/Littelfuse-CK-Switches-KSC2-Sealed-Tactile-Switch-Line-Upgraded-the-volt-post.jpg)
With a soft actuator and an IP67 rating, the KSC2 series of tactile switches for surface-mount technology (SMT) is a 3.5 mm high momentary-action tactile switch. The switches come with multiple electrical lifespans that can tolerate different operating forces, and they are offered in multiple models.
With its longer lifespan and greater durability than other switches on the market, the most recent KSC2 tactile switch operates better and requires fewer replacements over time. Users are given trust by its steady performance over time, which guarantees reliable functionality. Because the KSC2 tactile switch offers distinct tactile feedback, users will find it simpler to determine whether an input has been detected.
End consumers eventually gain from using the revised KSC2 series because it produces a more dependable, user-friendly, and secure product.
A variety of markets and applications can benefit greatly from the positive, versatile tactile experience that the KSC2 series design offers. These include:
- Medical: Surgical tools, healthcare wearables
- Transportation: Door handles, window lifters, steering wheel columns
- High-end consumer: Power tools, lawnmowers, snow blowers
- Industrial: Elevators, automation, machinery
The KSC2 Tactile Switches offer these key features and benefits:
- Electrical Height of Sealed Tactile Switch: Guarantees precise and reliable electrical connections by precisely defining the distance between the actuation point and bottom contact.
- IP67 Rating: Ensures durability and reliability in harsh environments by providing resistance to dust and water up to 1 meter for 30 minutes.
- Compatibility with Lead-Free Reflow Soldering: Enables efficient, reliable, environmentally friendly manufacturing by withstanding high temperatures and thermal cycling in lead-free, RoHS-compliant soldering processes.
- Soft Actuator (3.5 mm high): Provides comfortable, improved user experience and precise operation via a soft actuator that offers gentle touch and consistent activation.
How it Works: Better electrical switching position precision is made possible by Electrical Height Enhancement when compared to the printed circuit board (PCB) reference, which is essential for stack-up tolerances. Compared to comparable devices on the market that provide Electrical Travel, the KSC2 switch is now easier to incorporate thanks to this additional functionality.
Typically, designers must use the following formula to ascertain the switching point position from the PCB: The product height is ±0.2 mm less the electrical travel is ±0.2 mm, resulting in a minimal total tolerance of ±0.4 mm. Avoiding cumulative tolerances and proposing a functional value with tighter tolerance are the goals of dimensioning with the Electrical Height value. Electrical height is stable, and it is advised to use a standard tolerance of just ±0.15 mm or ±0.2 mm.
“This newly specified feature (Electrical Height) demonstrates the decades of experiences the Littelfuse engineers have when it comes to the integration of our products into the final application, as well as the level of control we have on our manufacturing capabilities,” said Jeremy Hebras, Vice President Digital & Technical Developments, Electronics Business Unit at Littelfuse. “By committing to the switch electrical height on this popular series, together with its tight tolerance, we are helping our customers to optimally design their products, obtain the most qualitative and consistent haptic and performance results, and ultimately enhance their product’s quality.”
The same Electrical Height enhancement is planned for additional tactile switch series in the Littelfuse/C&K Switches portfolio. ![Littelfuse C&K Switches' KSC2 Sealed Tactile Switch Line Upgraded the volt post](https://thevoltpost.com/wp-content/uploads/2024/07/Littelfuse-Fourth-Annual-Sustainability-Report-is-Out-Now-the-volt-post--300x200.png)
Availability
The KSC2 Tactile Switches are available in tape and reel format in quantities of 2,000. Sample requests are accepted through authorized Littelfuse distributors worldwide. For a listing of Littelfuse distributors, please visit Littelfuse.com.
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