R
Resistor
A resistive component with its value and purpose documented separately.
Schematic
Symbols · TVS BI
Bidirectional breakdown diode
A bidirectional breakdown diode provides a documented voltage-limiting semiconductor path in both polarities.
Schematic · TVS BI
What it represents
A bidirectional breakdown diode provides a documented voltage-limiting semiconductor path in both polarities. Its working voltage and surge characteristics determine the protective application.
How to read it
- Read working-voltage and breakdown specifications separately.
- The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation.
Information to show or reference
- Identify protected nodes
- State working-voltage rating
- Reference surge capability
A distinction that matters
Bidirectional protection does not make the component a controllable power switch.
Sources you can follow
These public references support the explanation and provide further detail. Their graphics and downloadable files remain with their publishers.
AutoCAD Electrical: Semiconductor components
Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic.
About this graphic
This illustration was authored independently by Elora Grid to explain the concept. It is not reproduced from a customer drawing, an official standard graphic or a manufacturer CAD file. Its correspondence to an exact IEC or IEEE symbol identifier has not been certified.
SVG and DXF downloads contain this original artwork. DXF uses unscaled drawing units; a GA envelope supplies no product dimensions, clearances or fabrication information. Original artwork is available under CC BY 4.0. Third-party references retain their own terms.
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