PHOTO DIODE BPW 21Description The BPW21 Photodiode is a high sensitivity silicon photodiode designed for visible light detection and precise optical measurements. With a spectral response close to the human eye, it is widely used in lux meters, light intensity monitoring, and industrial sensing applications. Specifications Model: BPW21 Type: Silicon photodiode Spectral Response: ~400nm 700nm (peak at ~565nm) Light Sensitivity: Optimized for visible light (eye like
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