The DTS-21-N-V tactile switch with through-hole 12×12 is a push button switch manufactured by Diptronics. This switch is suitable for use in a variety of applications, including consumer products, office automation, audio-visual equipment, and medical devices. It features a durable SPST contact, a quick response time, a long life expectancy of 10 million click cycles, and a low profile design for easy integration into tight spaces. Its operating temperature is -30°C to 70°C. The switch has a 12×12 mm mounting size, and a 1.5 mm tactile travel distance. The contact rating is 12VDC 50mA, with an initial contact resistance of 1 Ohm and a maximum contact resistance of 20 Ohm. In addition, this switch is available in a variety of illumination options, including LED, EL, and neon.