NKK Switches Four-Wire Analog Resistive Touch Screen TP02121A-4K

The TP02121A-4K is a 12.1-inch 4-wire analog resistive touch screen with a viewing area of 9.677 in × 7.256 in, an active area of 9.827 in × 7.406 in, and an external panel size of 10.236 in × 7.795 in. It has a thickness of 0.083 in (2.1 mm) and a 3.150 in (80.0 mm) FPC metal tail. It supports touch activation forces of 0.02 to 1.0 N, has a linearity of ±1.5% maximum, and an insulation impedance of at least 10 MΩ at 25 V DC. The surface hardness is 3H minimum per JIS K5400, with 80% typical light transmission and a glare-resistant surface. It operates from −20°C to +70°C and withstands storage from −40°C to +80°C. The touch screen is rated for 10 million tapping operations and features anti-Newton ring technology and a hard resin coating for scratch protection.