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Conductive Sponge Capacitive Button

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We provide premium capacitive touch solutions backed by 25 years of manufacturing expertise. We supply over 50 million professional-grade touch buttons annually, all verified by one-by-one inspection to ensure zero-defect quality. Looking forward to your vist and long-term cooperation.
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Conductive Sponge Capacitive Button

Main features of conductive sponge capacitive button: 

  • Very short woking height
  • Little pressure on the touchpad
  • Suitable for any kinds of capacitive touch panels
  • All of capacitive touch MCU compatible

 

Our Conductive Sponge Capacitive Buttons provide highly sensitive, non-mechanical touch solutions that are acid and alkali resistant and fully compatible with all capacitive touch MCUs for durable use in industrial and home appliances.

  • Item No. :

    SC-001
  • Samples :

    30~80pcs Available
  • OEM/ODM :

    yes

Conductive Sponge Capacitive Button

 

Conductive Sponge Capacitive Button

Product Specifications:


Discription membrane switch capacitive button
Material Options Polyethylene,  Polycarbonate, etc.
Contact Method FPC, pin connector, etc.

 

* We provide professional OEM/ODM services of touch springs. Contact us for custom drawings and samples via Sales@touchkey-china.com

 

How to quickly get some free samples for test

 

To ensure the highest precision, we recommend providing your technical drawings. We accept all major formats including PDF, DXF, DWG, STEP, and IGS.

Don't have a drawing yet? No problem. Simply provide the specifications listed below. Our engineering team will create a custom design for your Conductive Sponge Capacitive Button and submit the drawings to you for final approval.

  • 1. Dimension diameter
    The dimension diameter of the conductive sponge capacitive touch area.
  • 2. Working compressed height
    The working/compressed height of this capacitive button.
  • 3. Quantity
    Please tell us how many pieces of this conductive sponge switch capacitive button are there on the PCB board?

 

Sample Policy & Lead Time

Standard Process: Upon approval of the technical drawing, we provide complimentary (free) samples. The standard production time for samples is approximately 3 weeks.

Urgent Service: For time-sensitive projects, we offer an expedited service. The entire process—from design to sample dispatch—can be completed within 1 week.

 

Packaging Methods

Bulk plastic bag packaging

1. Bulk (Plastic bag)

Plastic tray packaging

2. Plastic tray

Tape and Reel for SMT

3. Tape & Reel (For SMT)

 

What are the conductive sponge capacitive button 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.

 

A PCB with Membrane Switch capacitive touch button
A PCB with sponge capacitive touch button



FAQ for Conductive Sponge Capacitive Button 

 

Q1: Q1: How does a conductive sponge button maintain sensitivity in ultra-thin device housings where space is extremely limited?

A: These buttons are specifically engineered for a very short working height. The soft, conductive material can be compressed into tight gaps without losing electrical integrity, making it the ideal solution for compact interfaces like wearable technology and robotics where traditional wire springs would be too bulky.

 

A2: Will the use of sponge buttons cause damage or wear to sensitive touch panels over time?

A: On the contrary, one of the primary advantages of this design is that it exerts little pressure on the touchpad. The soft, compliant nature of the conductive sponge ensures a reliable electrical connection while acting as a cushion, preventing mechanical stress or scratching on delicate control interfaces.

 

Q3: Can we rely on these sponge sensors for devices exposed to the fluctuating temperatures of household appliances?

A: Yes, these buttons are built for versatility and are all of capacitive touch MCU compatible. They are widely used in household appliances such as refrigerators and ovens because they maintain stable capacitance and structural form despite environmental changes, ensuring consistent touch response across various operating conditions.

 

Q4: Is it possible to customize the sponge dimensions for a multi-button array with non-standard icons?

A: Absolutely. Because the capacitive touch buttons can be customized for you to meet your product requirements, we can provide specific shapes and sizes to fit any UI layout. This flexibility allows for a one-stop solution for complex control panels in medical equipment or instrumentation.

 

Q5: How do we evaluate the material's durability for high-frequency use in industrial tools?

A: We invite you to test our materials through our rapid sampling program. We can provide free samples for your technical evaluation, typically completed within 3 weeks. If your project is urgent, our team can fast-track the entire process from drawing design to dispatch within one week to help you meet your testing milestones.

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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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