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Length: 7 mmWidth: 4.5 mmHeight : 3.5 mmOperating Temperature Range: -30°C to 100°CNo. of Channels: 1 ChannelForward voltage: 1.2 VMounting Type: SMDPackage/Case: SMD-4Reverse Voltage: 6 VProduct Type: OptocouplerIC Number: PC817Power Dissipation: 200 mWIsolation Voltage: 5000 VrmsMaximum Collector Current: 50 mAMaximum Collector Emitter Voltage: 80 VRise Time: 4μsFall Time: 3μsPC817 Opto-Coupler is used to provide electrical isolation between two circuits, one part of the circuit is connected to the IR LED and the other to Photo-transistor. It has a wide range of applications such as noise suppression in switching circuits, I/O isolation for MCUs, etc. Features: IC Number: PC817 SMD Packaging. Number of channels: 1 channel Package Includes: 1 x PC817 EL817 SMD-4 Optocoupler Transistor Output.