DPC817W-X-TU

Overview

The DPC817W-X-TU is a single-channel transistor output optocoupler manufactured by Diodes Incorporated. It features an MDIP-4 through-hole package with 5000 Vrms isolation voltage. The device utilizes a phototransistor output capable of handling a maximum collector current of 30 mA and a collector-emitter voltage of 35 V. Key electrical parameters include a forward voltage of 1.25 V at 5 mA forward current, a saturation voltage of 200 mV, and a typical rise/fall time of 18 µs. The component operates within a temperature range of -55°C to 110°C.

Feature Summary

• Provides high-voltage electrical isolation between input and output circuits via optical coupling.
• Features a robust phototransistor output stage suitable for digital signal transmission.
• Designed for reliable operation across extended industrial temperature ranges.

Applications

• Industrial control systems requiring signal isolation
• Consumer electronics power supply feedback loops
• Microcontroller interface circuits for noise immunity

Procurement Notes

Verify the specific suffix designation (X) against the manufacturer's latest datasheet to confirm exact Current Transfer Ratio (CTR) binning and compliance status. Ensure the ordering part number matches the required packaging format, as variations such as TU indicate tube packaging. Cross-reference any recent Product Change Notifications (PCNs) affecting the DPC817W series to ensure continuity of specifications and performance characteristics prior to procurement.

Selection Notes

Select this component when a single-channel isolation solution with moderate speed (18 µs) is required. The MDIP-4 package suits through-hole PCB designs. Verify that the CTR range meets the logic level requirements of the receiving circuit. Consider thermal management if operating near the upper limit of the specified temperature range. Ensure the isolation voltage rating exceeds the system's peak transient voltages.

Part Context

This part belongs to the DPC817W series of optocouplers from Diodes Incorporated. The series includes variants with different CTR grades and certification options, such as VDE-compliant versions. The standard DPC817W architecture provides a cost-effective isolation barrier for general-purpose applications. The X suffix typically denotes a specific CTR bin or manufacturing lot characteristic defined by the manufacturer.

Replacement Considerations

Direct substitutes may include other 817-series optocouplers from different manufacturers, provided pinouts and electrical ratings match. Verify compatibility with existing PCB footprints and isolation requirements. Check for equivalent CTR bins to ensure signal integrity in the target application.