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2.8 Inch Capacitive Touch Button - Reliable Touch Button Supplier & Factory in China for Electronic Devices
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 is the screen size and viewing area of this capacitive touch button?
The product features a 2.8-inch size with a dedicated viewing area of 48.96*36.72 mm, making it compact and highly precise.
What materials are used in the structure of the touch button?
It is constructed using a PMMA Lens (1.0mm), OCA optical adhesive (0.125mm), ITO Film (0.125mm, 150Ω/□), and a Double-sided Back Adhesive (0.4mm).
What type of tail/interface does this product use?
This touch button uses an FPC (Flexible Printed Circuit) tail type with a thickness of 0.3mm, providing reliable connections for various electronic devices.
What is the maximum voltage and key resistance?
The product supports a maximum voltage of DC 5V and has a maximum key resistance of ≤2KΩ.
How many touch buttons are integrated into this module?
This capacitive touch sensor module features a layout that shares four independent touch buttons.