SINGLE CHANNEL IL255 BIDIRECTIONAL INPUT OPTOCOUPLER FEATURES • AC or Polarity Insensitive Inputs • Continuous Forward Current, 130 mA • Applications—Telecommunications – Ring Detection – Loop Current Detector • Built-in Reverse Polarity Input Protection • Improved CTR Symmetry • Industry Standard DIP Package • Underwriters Lab File #E52744 V • VDE Approval #0884 Applied For D E DESCRIPTION The IL255 is a bidirectional input optically coupled isolator consisting of two high current Gallium Arsenide infrared LEDs coupled to a silicon NPN phototransistor.
The IL255 has a minimum CTR of 20% This optocoupler is ideal for applications requiring AC signal detection and monitoring.
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