This product is miniaturized receivers for infrared remote control systems. A PIN diode and a preamplifier are assembled on a lead frame, the epoxy package acts as an IR filter. Supply voltage: 2.5 V to 5.5 V https://elecena.pl/product/22626342/hs0038bd-sip3-infrared-remote-control-receiver 2023-02-23 https://elecena.pl/product/22626342/hs0038bd-sip3-infrared-remote-control-receiver 2025-10-28