Circular SMT Capacitive Touch Spring

* Selecting from our ready-made specifications ensures zero tooling costs and the fastest delivery time. Custom sizes are available but will incur additional setup fees and extended lead times.

 

Packaging Methods

1. Bulk (Plastic bag)

2. Plastic tray

3. Tape & Reel (For SMT)

What are the circular SMT capacitive touch springs widely used for?

The capacitive touch springs can be applied in various fields such as household appliances, medical equipment, robotics, wearable technology, automated devices, tools, gas, instrumentation, automotive industries, and more. For example, the capacitive touch springs are now very commonly found in household appliances such as induction cookers, microwaves, ovens, refrigerators, air conditioners, coffee machines, and audio systems, and so on.

FAQ for Circular SMT Capacitive Touch Spring

Q1: How does the transition to Tape & Reel packaging specifically impact our assembly line costs?

A: By adopting Tape & Reel packaging (Applicable to SMT), these springs are optimized for high-speed automated pick-and-place machines. This significantly improves production efficiency and reduces labor costs compared to manual insertion. It ensures each spring is precisely oriented for consistent soldering, which is critical for maintaining high yields in large-scale production runs.

Q2: Can these SMT springs maintain reliable sensitivity in precision medical or instrumentation devices?

A: Yes. These springs are specifically designed for demanding fields such as medical equipment, robotics, and instrumentation. The circular metal-plate design provides a stable contact area, and the use of high-grade materials like Stainless Steel, Music Wire, or Phosphor Bronze—combined with Nickle or Tin plating—ensures excellent conductivity and long-term signal stability even in sensitive electronic environments.

Q3: What design flexibility do we have if our current PCB housing has very tight height constraints?

A: We offer significant customization for compact designs. The working height of the Circular Metal-Plate capacitive touch spring can be determined between 3mm and 20mm. Additionally, we provide ready-made specifications for the metal plate (such as Φ8, Φ10, Φ12, or Φ14). Choosing these standard sizes can help you avoid additional tooling costs and further shorten your project's development cycle.

Q4: Are these SMT components resistant to the cleaning agents typically used in industrial kitchen appliances?

A: Absolutely. Since these components are widely used in induction cookers, refrigerators, and coffee machines, they are engineered to be acid and alkali resistant and feature high anti-corrosion properties. This ensures that the touch keys remain functional and sensitive even when exposed to household chemicals or frequent cleaning.

Q5: What is the fastest way to verify the mechanical fit of these springs before committing to a full production run?

A: To accelerate your prototyping phase, we can provide free samples, which are typically completed within 3 weeks. For extremely urgent projects, the entire process—from drawing design to sample dispatch—can be fast-tracked to within one week. Simply provide your PDF, STEP, or DXF drawings to get started immediately.