Osram SFH203-FA Infrared Filtered PIN Photodiode, 5mm

The Osram SFH203-FA is a high-speed silicon PIN photodiode, expertly designed for rapid light detection and signal switching applications. Housed in a compact 5mm LED-style plastic package, this infrared-filtered component responds specifically to light within the 750 to 1100nm wavelength range, making it highly effective for near-infrared sensing. With an exceptionally short typical switching time of just 5 nanoseconds, it is perfectly suited for demanding, high-speed optical systems such as photo interrupters and encoder circuits.

This photodiode generates a photocurrent of 50µA, with a radiant sensitive area measuring 1 x 1mm². Its 20° angle of half sensitivity provides a focused detection field, ideal for precise alignment in automated equipment. The robust design ensures reliable operation across an extensive temperature range from -40°C to 100°C, accommodating harsh industrial environments. Key specifications include a dark current of 1000pA and peak sensitivity at a wavelength of 900nm.

Applications

• Industrial automation and control systems
• High-speed photo interrupters and optical switches
• Motor drive and encoder feedback systems
• Light barrier and object detection sensors
• General-purpose infrared light sensing circuits

Engineered for performance and durability, the SFH203-FA is a critical component for designers and engineers seeking a fast, reliable infrared photodetector for advanced electronic and control applications.