isolation diode

isolation diode

[‚ī·sə′lā·shən ′dī‚ōd]
(electronics)
A diode used in a circuit to allow signals to pass in only one direction.
References in periodicals archive ?
With an external isolation diode, the power supply can be operated in redundant AC or DC configuration.
In Figure 2, an isolation diode must be used to prevent battery discharge into the solar array through the FET body diode when off; i.e., not charging.