Photo Coupler, IGBT Gate Driver, SSR

16pin SSOP-AC

ELQ3H4 is optically coupled isolator containing GaAs light emitting diodes and an NPN silicon phototransistors in a plastic SOP for high density applications.
This package has shield effect to cut off ambient light.


• AC input response
• Current transfer ratio (CTR: Min. 20% at IF =±1mA,VCE =5V)
• High isolation voltage between input and output (Viso=3750 V rms )
• Compact small outline package
• Pb free and RoHS compliant and Halogen free

Other Applications

• Programmable controllers
• Measuring instruments

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