The TSOP2238 with Infrared Receivers 4.5-5.5V 38kHz is a miniature surface mount IR receiver for remote control and other applications, manufactured by Vishay. It has a wide operating voltage range, from 4.5V to 5.5V, making it compatible with a wide range of power supplies. It has a high sensitivity to 38 kHz, making it one of the most accurate and reliable infrared receivers on the market. It also has a fast response time and excellent ambient light rejection, further adding to its accuracy and precision. The TSOP2238 makes it easy to add infrared sensors to any circuit, providing a reliable connection and reliable operation.