Akanimo
Advanced Member level 3
Hi everyone,
I am studying optocoupler for first-time use. I understand the CTR parameter but not the Relative CTR.
Please help with answers to these questions:
1. What is Relative CTR and what is it used for?
2. Is there a relationship between CTR and Relative CTR? If there is, what is the relationship?
3. I am designing a simple on/off control system with a process switch as sensor.
I require to isolate the field side (which has 15 Vdc process switch as input) from the controls side of the system (which has 5 Vdc).
I desire a cost effective optocoupler for the isolation and I chose the Vishay's TCMT4106. Below is the URL to and a picture of the datasheet and a picture of the schematic.
https://www.vishay.com/docs/84181/tcmt4100.pdf
Is this optocoupler appropriate for this requirement?
I am studying optocoupler for first-time use. I understand the CTR parameter but not the Relative CTR.
Please help with answers to these questions:
1. What is Relative CTR and what is it used for?
2. Is there a relationship between CTR and Relative CTR? If there is, what is the relationship?
3. I am designing a simple on/off control system with a process switch as sensor.
I require to isolate the field side (which has 15 Vdc process switch as input) from the controls side of the system (which has 5 Vdc).
I desire a cost effective optocoupler for the isolation and I chose the Vishay's TCMT4106. Below is the URL to and a picture of the datasheet and a picture of the schematic.
https://www.vishay.com/docs/84181/tcmt4100.pdf
Is this optocoupler appropriate for this requirement?