Technical data sheet for the SGR2838H-2 infrared remote‑control receiver module, including features, electrical specs and application notes.
The SGR2838H-2 is a miniaturized infrared receiver that integrates a photodiode and pre‑amplifier in a single package with an epoxy IR filter. It provides TTL and CMOS compatible outputs and includes an internal filter for PCM frequencies, offering low power consumption and good immunity to ambient light.
The datasheet details electrical characteristics such as supply voltage, output levels, and reception distance, as well as recommended operating conditions, test methods, and mechanical dimensions. Application circuits and supported remote‑control code formats are also listed.
| Supply Voltage (VCC) – Minimum | 2.5 V |
|---|---|
| Supply Voltage (VCC) – Typical | 5.0 V |
| Supply Voltage (VCC) – Maximum | 5.5 V |
| Output Voltage (Vout) – Maximum | 6.0 V |
| Output Current (Iout) – Maximum | 2.5 mA |
| Operating Temperature Range | -20 °C to 80 °C |
| Storage Temperature Range | -40 °C to 125 °C |
| Reception Distance (45°) | 8 m |
| Peak Wavelength | 940 nm |
| High Level Pulse Width | 500‑800 µs |
| Low Level Pulse Width | 500‑800 µs |
It operates from 2.5 V up to 5.5 V, with a typical value of 5.0 V.
The module can receive signals up to 8 m at a 45° angle.
Supported formats include NEC, RC5, RC6, Philips, Sony, Matsushita, Toshiba, Mitsubishi and others.