OPI1268S

Overview

The OPI1268S is a high-voltage digital opto-isolator manufactured by TT Electronics/Optek Technology. It features a five-pin through-hole package designed for robust electrical isolation in demanding environments. Key electrical parameters include a maximum isolation voltage of 20 kV dc and a propagation delay of 100 ns. The device supports input currents up to 30 mA with a maximum forward voltage of 1.8 V. Power consumption is rated at 100 mW, and it operates within a temperature range of -50°C to 100°C.

Feature Summary

• Provides high-speed digital data transmission capabilities via a dedicated digital output interface.
• Ensures reliable circuit protection through a high-voltage isolation barrier rated at 20 kV dc.
• Utilizes a compact five-pin through-hole configuration suitable for standard PCB mounting.

Applications

• High-voltage industrial control systems requiring signal isolation
• Power supply feedback loops for noise immunity
• Medical equipment safety isolation barriers

Procurement Notes

Verify the manufacturer part number OPI1268S against official TT Electronics documentation to confirm specifications. Ensure compatibility with system voltage levels and thermal requirements before procurement. Check for RoHS compliance status if required by project standards. Confirm package type matches design constraints.

Selection Notes

Select this component when high isolation voltage and moderate speed are critical. The 20 kV dc rating suits applications with significant potential differences. Consider the 100 ns delay for timing-sensitive designs. Verify that the through-hole package fits the assembly process. Evaluate thermal management needs given the 100 mW power dissipation.

Part Context

This component belongs to the OPI series of opto-isolators from TT Electronics/Optek Technology. The series focuses on providing isolation solutions for digital signals. The OPI1268S specifically targets applications needing higher voltage withstand capabilities compared to standard isolators.

Replacement Considerations

Consult official substitution guides from TT Electronics for verified alternatives. Ensure any replacement maintains the 20 kV dc isolation rating and compatible pinout. Verify that switching speeds meet or exceed the original 100 ns requirement.

FAQ

What is the maximum isolation voltage of the OPI1268S?

The maximum isolation voltage is 20 kV dc.

Does the OPI1268S use an analog or digital output?

It features a digital output capable of high-speed data transmission.