Broadcom Optocoupler The Broadcom optocoupler is an HCPL-817 series high-density, phototransistor optocoupler. It contains a light-emitting diode optically coupled to a phototransistor. Optocoupler is packaged in a 4-pin DIP package and available in wide lead spacing option and lead bend SMD option. Features and Benefits • Current transfer ratio is between 50% and 600%
• Maximum forward voltage is 1.4V
• Maximum input current is 5mA
• Response time (tr:typ., 4?s at VCE = 2V, IC = 2mA, RL = 100?) Applications • Feedback circuit in power supply
• I/O interfaces for computers
• Signal transmission between circuits of different potentials and impedances Certifications • CSA approved
• IEC/EN/DIN EN 60747-5-5 approved
• UL approved