Infrared receiver

Infrared receivers are optoelectronic components designed to detect and decode infrared radiation signals, typically in the 850 nm to 950 nm wavelength range. These devices convert modulated IR light into electrical signals, enabling wireless communication in automation and control systems. Common technical specifications include carrier frequencies (e.g., 38 kHz, 56 kHz), supply voltages (typically 2.5 V to 5.5 V), and output logic levels (active low or high). They are often housed in compact, shielded packages with integrated photodetectors, preamplifiers, and demodulators for reliable signal processing. In industrial contexts, infrared receivers are also referred to as IR detectors, IR sensors, or IR receiver modules, depending on regional terminology.

Infrared receivers are widely deployed in industrial automation, building management, and consumer electronics. In factory settings, they facilitate remote control of machinery, conveyor systems, and robotic arms via handheld transmitters. In building automation, they are integrated into lighting control systems, HVAC interfaces, and access control panels. They also serve in safety applications, such as infrared barriers for perimeter detection or presence sensing in automated doors. Their robust performance in environments with ambient light interference makes them suitable for both indoor and outdoor installations, including control cabinets and distribution boards.

Key subcategories within infrared receivers include standard IR receiver modules (e.g., TSOP series, such as TSOP38238 or TSOP4838), which are optimized for specific carrier frequencies. Other variants include wide-angle receivers for broader coverage, shielded receivers for high-noise environments, and multi-protocol receivers compatible with RC-5, NEC, or Sony SIRC codes. Article codes often follow manufacturer patterns, such as "TSOP" for Vishay or "IRM" for Everlight, with suffixes indicating frequency (e.g., 38 for 38 kHz) and package type (e.g., SMD or through-hole). These components are essential for remote control systems in industrial and commercial applications.

At Electric Automation Network, we provide a comprehensive range of infrared receivers with real-time pricing and detailed technical documentation for each article. Our engineering team offers personalized support to help you select the right receiver for your application, considering factors like carrier frequency, supply voltage, and ambient light rejection. We ensure express worldwide shipping, so your components arrive quickly, whether for prototyping or large-scale production. Trust our expertise to streamline your procurement process and enhance your automation projects.