What are rise time tr and fall time tf for an optocoupler?
These parameters indicate the transient change time of the output voltage when a pulsating forward current (IF) flows into the light-emitting side and the output turns ON or OFF.
- tr: Time until the output voltage rises to the 90% level from 10%
- tf: Time until the output voltage falls to the 10% level from 90%
|Diodes for Constant Voltage|
|Photocouplers / Optocouplers|