Vishay, BPW21R Visible Light Si Photodiode, Through Hole TO-5

BPW20 and BPW21 Series Photodiodes. The BPW20 and BPW21 series of silicon photodiodes, from Vishay Semiconductor, are in standard TO-5 packages. These packages have been hermtically sealed, making the BPW20 and BPW21 ideal for high precision linear applications. Suitable applications for the BPW20 and BPW21 photodiodes include; sensors for light measuring in cameras, photometers, colour analysers, exposure meters and other general medical/industrial measuing and control applications.. Features of the BPW20 and BPW21 photodiodes: TO-5 package with flat glass lens 8.13 mm diameter Radiant sensitive area: 7.5 mm² High photo sensitivity Angle of half intensity: 50° Low dark current High linearity