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AT4 Touch Technology Specifications

Mechanical
  • Activation force: 50g or less
  • Surface hardness: 3H per ASTM D3363
  • Input methods: Finger, glove hand, pen or stylus
Environmental
  • Operating temperature: 0–50°C
  • Storage temperature: -20–60°C
  • Operating relative humidity: 70% relative humidity or lower, noncondensing   
  • Storage relative humidity: 90% relative humidity or lower, noncondensing   
  • Operating altitude: The touchscreen shall be capable of operating at an altitude of 10,000 feet above sea level.
  • Storage altitude: The touchscreen shall be capable of being stored without damage at an altitude of 50,000 feet above sea level.
Electrical
  • Operation voltage: DC 5V
  • Terminal resistance: 200-900 ohms, X and Y direction each
  • Insulation resistance: DC 25V and 20M ohms or more
Optical
  • Light transmission: 78% 
  • Surface finish: ITO, Anti-glare
Durability
  • Linearity: 1.5% or less
  • Durability: 1 million touches
Agency Approvals RoHS Certificate of Compliance (95K PDF)
Warranty One-year limited warranty (when sold as components)
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