Description
8 PIN SOP PHOTOTRANSISTOR DUAL CHANNEL PHOTOCOUPLER ELD20X Series ELD21X Series Schematic .
The ELD20X and ELD21X series contain two infrared emitting diodes optically coupled to two phototransistor detectors.
Features
* Dual channel coupler
* Current transfer ratios offered in narrow ranges ELD205: 40-80% ELD211: >20% ELD206: 63-125% ELD213: >100% ELD207: 100-200% ELD217: >100%
* High isolation voltage between input and output Viso = 3750 Vrms
* Operating temperature range of -55
Applications
* z z z z
Feedback Control Circuits Interfacing and coupling systems of different potentials and impedances General Purpose Switching Circuits Monitor and Detection Circuits
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