This part is a kind of semiconductor called HPC932.

Function of this product has Photo Couplers.

Manufacturers : LEDopto

Image and pinout :

Some of the text within the PDF file :

PHOTO COUPLERS · Large Current Transfer Ratio · Isolation Voltage Between Input and Output · HPC522/532/542 V =2500V (Min.) · HPC722/732/742 V =4000V (Min.) · HPC922/932/942 V =5000V (Min.) · Plastic DIP Package · UL File # E178703 iso iso rms rms iso rms FEATURES: 3.6±0.2 4.5±0.2 7.6±0.1 0.5 0.5 0.5 2.5 Min. 2.54 8.3±0.5 6.4±0.4 USES: 1.5 1 2 4 3 · Transmission and conversionof Digital Logic · Power control and switch · Electric insulation and impedence conversion between systems 1.5 HPC522/722/922 Maximum Ratings (Ta=25˚) CHARACTERISITIC Forward Current (IFM) LED Power Dissipation (PM) Reverse Voltage (VR) Collector Emitter Reverse Breakdown Voltage (BVCEO) DETECTOR Collector DC (ICM) Collector Power Dissipation (PCM) Storage Temperature Range (TST) Stora [ ... ]

HPC932 PDF Datasheet Download