EL3H4(A)(TB)-G

Transistor, Photovoltaic Output Optoisolators Overview

The EL3H4(A)(TB)-G is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It features an NPN phototransistor output and operates with a forward current of up to 50 mA. The device provides an isolation voltage of 3750 Vrms and supports a maximum output voltage of 80 V. Key electrical parameters include a typical rise time of 6 µs and fall time of 8 µs, with a power dissipation rating of 200 mW. It functions within a temperature range of -55°C to 100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage isolation capability for signal transmission between isolated circuits.
• Utilizes an NPN phototransistor output stage for digital or analog switching applications.
• Designed for surface-mount installation in compact electronic assemblies.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Signal interfacing between microcontrollers and high-voltage loads
• Power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix (TA) indicates tape-and-reel packaging when ordering. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the selected variant matches the required lead-free specifications for your manufacturing process.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single channel with moderate speed (microsecond range) is sufficient. Compare against other EL3H4 variants if different packaging styles like SOIC-4 are preferred over SSOP-4. Verify that the 80V collector-emitter voltage meets the load requirements of the target circuit design.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the EL3H4 series of transistor output optocouplers from Everlight. It shares core electrical characteristics with siblings like the EL3H4(A)(EA)-G but differs in packaging and reel configuration. The series is widely used in general-purpose isolation tasks where cost-effective performance is prioritized.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes may include other EL3H4 variants such as EL3H4(A)(EA)-G or EL3H4(TA)-G, provided the package footprint and electrical ratings remain compatible with the existing design constraints.

Transistor, Photovoltaic Output Optoisolators FAQ

What is the maximum operating temperature for this optocoupler?

The device is rated for operation up to 100°C.

Does this component support AC input signals?

Yes, the internal LED can be driven by both AC and DC input signals.