Silicon Photodiode
www.vishay.com BPW21R Vishay Semiconductors Silicon Photodiode 94 8394 DESCRIPTION BPW21R is a planar Silicon PN photodiode in a hermetically sealed short TO-5 case, especially designed for high precision linear applications. Due to its extremely high dark resistance, the short circuit photocurrent is linear over seven decades of illumination level. On th...
Vishay Telefunken