SDT400 DC Input Optocoupler DESCRIPTION The SDT400 consists of a phototransistor optically coupled to a light emitting diode.
Optical coupling between the input LED and output phototransistor allows for high isolation levels while maintaining low-level DC signal control capability.
The SDT400 provides an optically isolated method of controlling many interface applications such as telecommunications, industrial control and instrumentation circuitry.
FEATURES APPLICATIONS x x x x x High input-to-output isolation package (5000 Vrms) Low input power consumption High stability Miniature 4 pin DIP package CTR (CTR:MIN 50% at If=5mA Vce=5V) x x x x x x x x Registers, copiers, Automatic Vendin...

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