OptoFastBi

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4-Channel Opto-Isolator card 2-Channels in each direction 4N25 Optoisolators Input /Output isolation Transistor driver for Opto LED reduces required drive from 20 mA to under 500 uA 5V Input channels share their own common VCC/Ground 5V Output channels share their own common Vcc/Ground 8-pin headers for input/output Configuration Options Speed enhanced Bypass Input transistors Remove Output collector resistors 49x49mm (4) 4-40 mounting holes