EL3H4(B)(TA)-VG AC Input Phototransistor Optocoupler SOP-4 4 Pin 1.27mm Pitch (Everlight EL3H4(B)(TA)-VG)

The EL3H4(B)(TA)-VG is a compact AC input phototransistor optocoupler from Everlight designed to provide reliable electrical isolation between input and output circuits. Housed in a space-saving SOP-4 package with a 1.27mm pitch, this optoisolator is ideal for industrial control systems, power supplies, microcontroller interfaces, signal isolation, and switching applications where electrical noise immunity and safety are critical.

Key Features -

• AC input phototransistor optocoupler

• High electrical isolation between circuits

• Compact SOP-4 package

• 4-pin surface mount design

• 1.27mm pin pitch

• Phototransistor output

• Low saturation voltage

• High reliability operation

• RoHS compliant

• Suitable for industrial applications

Specifications -

• Product type - Phototransistor Optocoupler

• Model - EL3H4(B)(TA)-VG

• Manufacturer - Everlight

• Package type - SOP-4

• Pin count - 4 Pin

• Pin pitch - 1.27mm

• Input type - AC Input

• Output type - Phototransistor Output

• Collector Emitter Voltage - 80V Maximum

• Forward Voltage - 1.2V Typical

• Collector Emitter Saturation Voltage - 100mV Typical at IF 20mA

• Test Current - 1mA

• Mounting type - Surface Mount

• Compliance - RoHS

Applications -

• Industrial automation systems

• Switching power supplies

• PLC interfaces

• Microcontroller isolation

• Signal isolation circuits

• AC mains sensing circuits

• Communication equipment

• Embedded electronic systems