VO615A-4X018T

Transistor, Photovoltaic Output Optoisolators Overview

The VO615A-4X018T is a single-channel transistor output optocoupler from Vishay, housed in a 4-pin PDIP package. It features an NPN phototransistor output with a maximum collector-emitter voltage of 70 V and a collector current of 50 mA. The device provides 5 kVrms isolation voltage and operates within a temperature range of -55°C to +110°C. Key electrical parameters include a forward voltage of 1.6 V, a CTR range of 160% to 320%, and typical rise/fall times of 3 μs and 4.7 μs respectively.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High-temperature operation capability up to 110°C
• Robust 5 kVrms insulation voltage for safety isolation
• Wide current transfer ratio range ensuring reliable signal transmission

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Power supply feedback circuits
• Signal isolation between microcontrollers and high-voltage loads

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'X018T' corresponds to the required tape-and-reel packaging configuration as indicated by distributor listings. Confirm that the 4-pin PDIP form factor matches the target PCB footprint. Ensure the 5 kVrms isolation rating meets the safety standards of the end application. Cross-reference the manufacturer datasheet for any recent PCN updates regarding material or process changes.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-temperature stability and robust isolation are critical. The wide CTR range accommodates variations in LED drive currents. Consider the 70 V collector voltage limit for load switching applications. The through-hole PDIP package suits prototyping or environments where surface-mount reflow is not preferred. Compare against similar VO series devices if pin compatibility or alternative packaging is needed.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to Vishay's VO615A series of high-temperature phototransistor output optocouplers. The series is designed for general-purpose isolation tasks where reliability over a wide temperature range is essential. The '4' in the model number denotes the single-channel configuration, while 'X018T' specifies the reel quantity and packaging type. It serves as a direct replacement for older SFH615A variants in many designs.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

The SFH615A-4 is listed as a recommended alternative with identical electrical characteristics. Verify pinout compatibility before substitution. Other VO series devices may offer different packaging but require circuit redesign.