The SFH 4258S is an infrared (IR) emitting diode from OSRAM Opto Semiconductors Inc. It has a top view orientation and SMD (SMT) mounting. The diode has a forward voltage of 3V and a viewing angle of 30 degrees. The family name of the diode is SFH 4258S and it emits light at a wavelength of 850nm. The radiant intensity (Ie) of the diode is 40mW/sr @ 70mA. The diode is part of the optoelectronics category and is currently active. It has a temperature range of -40°C to 100°C (TA) and a continuous forward current of 70mA. The diode has an estimated EOL date of 2025 and is a common-used part with high popularity. However, there is a 53% fake threat in the open market and the supply and demand status is limited. Alternative parts (cross-reference) for the diode include HH-3WP2IR13-M and VSMY2850G.