Q817C

Overview

The Q817C is a single-channel optoisolator manufactured by QT Brightek, featuring a transistor output configuration. It provides an isolation voltage of 5000Vrms and operates within a temperature range of -55°C to 110°C. The device accepts a maximum DC forward current of 60 mA with a typical forward voltage of 1.24V. Output specifications include a maximum collector-emitter voltage of 35V, a saturation voltage of 200mV, and a channel current capacity of 50mA. The current transfer ratio ranges from 200% to 400% at a forward current of 5mA. Typical rise and fall times are 6µs and 8µs respectively. It is housed in a 4-DIP package.

Feature Summary

• Provides high-voltage electrical isolation between input and output circuits using optical transmission.
• Features a robust transistor output stage capable of handling specified collector currents and voltages.
• Designed for wide operating temperature environments suitable for industrial applications.

Applications

• Microcontroller interface circuits requiring galvanic isolation
• Solid-state relay driver stages
• Signal isolation in noisy industrial control systems

Procurement Notes

Verify the specific suffix 'C' corresponds to the 4-DIP package variant when ordering. Confirm that the required isolation voltage and current transfer ratio meet the design specifications. Check RoHS compliance status if environmental regulations apply to the final assembly. Ensure the supplier provides official datasheets for parameter validation prior to integration.

Selection Notes

Select this component when a through-hole mounting solution is required for single-channel isolation. Compare the current transfer ratio and propagation delay against system timing requirements. Evaluate the thermal performance within the specified operating temperature range. Consider the physical dimensions of the 4-DIP package for PCB layout constraints.

Part Context

This part belongs to the Q817 series of optoisolators produced by QT Brightek. The series includes various package options such as surface-mount variants like the Q817CST1. The Q817C specifically denotes the dual-in-line package version, maintaining consistent electrical characteristics across the family while differing in mechanical form factor.

FAQ

What is the maximum isolation voltage rating?

The Q817C supports an isolation voltage of 5000Vrms.

Does this component support surface mount installation?

No, the Q817C uses a 4-DIP package designed for through-hole mounting.