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2.8 Inch Capacitive Touch Button from China Suppliers - Reliable Touch Control Solutions from Factory
Product Drawing
Structure
| Part Name | Material | Thickness |
|---|---|---|
| Lens | PMMA | 1.0mm |
| OCA | optical adhesive | 0.125mm |
| ITO Film | ITO, PET, 150Ω/□ | 0.125mm |
| Back Adhesive | Double side tape | 0.4mm |
| Tail type | FPC | 0.3mm |
Specification
| Item | Contents | Unit |
|---|---|---|
| Product Size | 2.8 | inch |
| Lens Outline | 214.80*46.80 | mm |
| Sensor Outline | 65.00*43.50 | mm |
| View Area | 48.96*36.72 | mm |
| Max Voltage | DC 5V | V |
| Maximum Key Resistance | ≤2KΩ | KΩ |
This is a capacitive touch button product, sharing four touch buttons. This product also has an FPC lead-out function, providing convenient and reliable connections for seamless integration into various electronic devices.
Frequently Asked Questions
What materials are used for the lens and structure of this touch button?
The lens is made of PMMA (Polymethyl Methacrylate) with a thickness of 1.0mm. The complete stack includes optical adhesive (OCA), ITO Film (150Ω/□), and double-sided back adhesive.
What type of interface connection does this capacitive touch button support?
This product features an FPC (Flexible Printed Circuit) tail type with a thickness of 0.3mm, providing flexible and reliable connections for easy electronic integration.
What are the dimensions and viewing area of the touch button?
The product size is 2.8 inches, with a lens outline of 214.80*46.80 mm, a sensor outline of 65.00*43.50 mm, and an active view area of 48.96*36.72 mm.
What is the maximum voltage and resistance specification?
The maximum operating voltage is DC 5V, and the maximum key resistance is designed to be less than or equal to 2KΩ.
How many touch inputs does this device support?
This capacitive touch panel product is designed to share four dedicated touch buttons for user interface controls.