ingaas photodiode 300um receptacle is USD17 ( 1) 55-3000um diameter of photosensitive area, TOCAN package type, Ingaas PIN photodiode ( 2) 300-2000um diameter of photosensitive area, receptacle package type, with or without PCB, Ingaas PIN photodiode ( 3) 55-500um diameter of photosensitive area, fiber pigtailed type, Ingaas PIN photodiode ( 4) 50-200um diameter of photosensitive area, Ingaas Avalanche PIN photodiode 1-year quality warranty. Test report paper with products. Very competitive prices, for example, PD 300um receptacle is USD17 when qty is 1000 www.best-sources.cn