The CTS Corp part 290VAA5F201B2 is a high-quality rotary encoder designed for precise and reliable position sensing. It features a mechanical design with 20 pulses per revolution, allowing for smooth and accurate rotational measurements. The encoder utilizes the quadrature encoding method, providing precise direction and position information. The actuator of the encoder is equipped with a 6mm diameter flatted end, ensuring easy integration into various applications. Additionally, this encoder includes a built-in switch for convenient functionality. The vertical PCB mount design allows for easy installation and integration into electronic systems. This rotary encoder from CTS Corp is an excellent choice for applications that require precise rotational position sensing combined with a compact and durable design.