DPC817D-Y-TU

Overview

The DPC817D-Y-TU is a single-channel transistor output optocoupler manufactured by Diodes Incorporated. It features a phototransistor output and is housed in a 4-DIP (0.300 inch, 7.62mm) through-hole package. Key electrical parameters include an isolation voltage of 5000 Vrms, a maximum collector-emitter voltage of 35 V, and a maximum collector current of 30 mA. The device operates with a forward current of up to 5 mA and exhibits a typical forward voltage of 1.25 V. The current transfer ratio ranges from 80% to 160%, with rise and fall times specified at 18 µs.

Feature Summary

• High input-output isolation voltage rated at 5000 Vrms for enhanced safety
• Single channel configuration with phototransistor output
• Through-hole mounting in a standard 4-DIP package

Applications

• General-purpose signal isolation in industrial control systems
• Power supply feedback loops
• Microcontroller interface circuits requiring galvanic isolation

Procurement Notes

Verify the specific suffix 'Y' corresponds to the required Current Transfer Ratio (CTR) bin, as variations exist within the DPC817 series. Confirm that the 4-DIP tube packaging aligns with assembly requirements. Ensure compliance with RoHS directives if applicable to the target market. Cross-reference the datasheet for thermal derating curves relevant to the operating environment.

Selection Notes

Select this component when a standard CTR range of 80-160% is sufficient for the application. Consider the 35 V collector-emitter voltage limit for low-voltage switching tasks. The 18 µs switching speed may be unsuitable for high-frequency data transmission. Evaluate the 5000 Vrms isolation rating against the system's working voltage requirements.

Part Context

This part belongs to the DPC817 series of transistor output optocouplers. The series offers various CTR bins and isolation ratings. The DPC817D-Y-TU specifically denotes the Y-bin variant with defined CTR limits. Other variants like DPC817D-C-TU or DPC817D-A-TU offer different CTR ranges or specifications.

Replacement Considerations

Direct substitutes include other DPC817D-Y-TU units from Diodes Incorporated. Alternative manufacturers producing pin-compatible 4-DIP optocouplers with similar CTR and isolation ratings may be considered, provided electrical parameters are verified.