The SEL533-03 is a GaAs infrared emitting diode mounted in Φ3mm all plastic mold package. It is both compact and easy to mount.Features·Small size·High power·High reliability·Compact (Φ3mm)Application·Smoke sensor·Financial equipment·Optical switches

 

SST533R-02P is a high sensitivity NPN siliconphototransistor mounted in a Φ3 plastic packageIt is compact and easy to mount.Features·High output·Small Size (Φ3mm)·Visible ray cut off·RoHS ComplianceApplication·Photointerrupters·Optical detectors·Optical counters.