OPIA815DTUE

Overview

The OPIA815DTUE is a single-channel transistor output optocoupler manufactured by TT Electronics/Optek Technology. It features a Photodarlington output configuration housed in a DIP-4 through-hole package. Key electrical parameters include an isolation voltage of 5000 Vrms, a maximum collector-emitter voltage of 35 V, and a peak collector current of 80 mA. The device operates with a forward current of 50 mA and exhibits rise/fall times of 300 µs/250 µs. It supports a power dissipation of 200 mW within a temperature range of -30°C to +100°C.

Feature Summary

• Provides high-voltage electrical isolation between input and output circuits using a Darlington phototransistor structure.

Applications

• General-purpose digital signal isolation
• Microprocessor interface circuits
• Solid-state relay driver applications

Procurement Notes

Verify component authenticity and datasheet revisions upon procurement. Confirm that the specific manufacturing lot meets required quality standards for your application environment. Check for any end-of-life notices or obsolescence warnings from the manufacturer before finalizing supply chain plans.

Selection Notes

Select this component when high current transfer capability is required due to its Darlington output structure. Ensure the design accommodates the slower switching speeds inherent to Darlington configurations compared to standard phototransistors. Verify that the 5000 Vrms isolation rating satisfies the safety requirements of the target system.

Part Context

This part belongs to the Optek OPIA series of transistor output optoisolators. These devices are designed for general-purpose isolation tasks where moderate speed and high current gain are necessary. The series utilizes standard DIP packaging for easy integration into legacy and modern PCB layouts.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official manufacturer cross-reference lists for potential alternatives.