CNY17-4

Transistor, Photovoltaic Output Optoisolators Overview

The Lite-On CNY17-4 is a single-channel transistor output optocoupler housed in a 6-pin PDIP package. It features an NPN phototransistor output with a collector-emitter voltage of 70 V and a maximum collector current of 100 mA. The device provides high isolation capability with an insulation voltage of 5000 Vrms. Key electrical parameters include a forward current of 60 mA, a forward voltage of 1.65 V, and a saturation voltage of 300 mV. The current transfer ratio ranges from 160% to 320%. Operating temperatures span from -55°C to +100°C or +110°C depending on the specific datasheet version.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high input-output isolation voltage for safe signal transmission between isolated circuits.
• Features a fast response time suitable for general-purpose switching applications.
• Offers a wide current transfer ratio range to accommodate various drive conditions.
• Constructed with a through-hole DIP-6 package for reliable PCB mounting.

Transistor, Photovoltaic Output Optoisolators Applications

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

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the manufacturer source carefully as Vishay Semiconductors also lists this part number. Confirm the specific Current Transfer Ratio (CTR) bin required for your application, as values vary between 160-320% across different supplier datasheets. Ensure the operating temperature range meets your environmental requirements, as specifications differ slightly between Lite-On and Vishay documentation.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a standard NPN phototransistor output is needed with moderate speed and high isolation voltage. Compare the CTR specifications against your load requirements to ensure sufficient gain. Verify package compatibility with existing PCB footprints. Consider thermal dissipation limits if operating near maximum current ratings.

Transistor, Photovoltaic Output Optoisolators Part Context

The CNY17-4 belongs to the broader CNY17 series of single-channel optocouplers produced by Lite-On. This series is widely used in consumer and industrial electronics for basic isolation tasks. The part shares mechanical dimensions with other variants in the family but differs in electrical characteristics such as CTR and response time.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

The Lite-On CNY17-4M-V is a documented variant within the same product line. Cross-referencing with Vishay Semiconductors versions requires verification of CTR bins and temperature ratings due to specification variations between manufacturers.