View moc8050 datasheet:

MOC8050 PHOTODARLINGTON OPTOCOUPLER FEATURES Package Dimensions in inches (mm) • High Current Transfer Ratio 500% at 50 mA Pin One ID. Output 3 2 1 Anode 1 6 Base • High Collector to Emitter Breakdown Voltage: 80 V Min. .248 (6.30) .256 (6.50) Cathode • High Isolation Voltage VISO=5300 VACRMS 2 5 Collector • Base Lead Not Connected 4 5 6 • Solid State Reliability NC 3 4 Emitter • Standard DIP Package .335 (8.50) .343 (8.70) • Underwriters Lab File #E52744 .300 (7.62) VE • D VDE 0884 Availablle with Option 1 .039 typ. (1.00) min. .130 (3.30) DESCRIPTION .150 (3.81) The MOC8050 is an optically coupled isolator with a 4° 18° typ. .110 (2.79) Gallium Arsenide infrared emitter and a silicon pho- typ. .020 (.051) min. .150 (3.81) todarlington sensor