AT4 Touch Technology Specifications

Mechanical • Environmental • Electrical • Agency Approvals • Warranty • Optical • Reliability

1. Mechanical

• Activation force: 50g or less
• Surface hardness: 3H per ASTM D3363
• Input methods: Finger, glove hand, pen or stylus

2. Environmental

• Temperature
  • Operating: 0–50°C
  • Storage: -20–60°C
• Relative humidity
  • Operating: 70% relative humidity or lower, noncondensing   
  • Storage: 90% relative humidity or lower, noncondensing   
• Altitude
  • Operating: The touchscreen shall be capable of operating at an altitude of 10,000 feet above sea level.
  • Storage: The touchscreen shall be capable of being stored without damage at an altitude of 50,000 feet above sea level.

3. Electrical

• Operation voltage: DC 5V
• Terminal resistance: 200-900 ohms, X and Y direction each
• Insulation resistance: DC 25V and 20M ohms or more

4. Agency Approvals

• RoHS Certificate of Compliance (95K PDF)

5. Warranty

• One-year limited warranty (when sold as components)

6. Optical

• Light transmission: 78% 
• Surface finish: ITO, Anti-glare

7. Reliability

• Linearity: 1.5% or less
• Durability: 1 million touches

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