1PCS / 5PCS / 10PCS / 50PCS 100% new original BPW21R BPW21 photodiode wavelength 565nm silicon photocell perspective 100 degrees
USD 14.95USD 15.90
1PCS / 5PCS / 10PCS / 50PCS 100% new original BPW21R BPW21 photodiode wavelength 565nm silicon photocell perspective 100 degrees