What means
It draws the left end of a circuit's coil symbol.
A 1980s Sharp MZ-700 display character set included this mark. The schematic set splits a coil across left, middle, and right character cells, designed to join with light box-drawing lines. Unicode encoding preserves such older screen characters as text, so conversion tools and emulators can keep the original symbols distinct.
Technical and diagrammatic; it labels one part of a circuit drawing.
Don't confuse it with
2Combination ideas
1Together, these three cells draw the inductor's coil.
Questions people ask
1Why is this symbol showing as a box?
Your font or app may lack its glyph. Font support varies by app: the character may appear as a blank, question mark, or outlined box. The text may still contain the intended character.
How to type
Windows (Word)
Alt+XType 1CC0B, then Alt+X to get .
Windows
Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win + .).
macOS
Control+Command+SpaceOpen the character viewer and search “left third inductor”.
Linux
Ctrl+Shift+UType 1cc0b, then Enter or Space.
HTML
𜰋CSS
\1CC0BGNOME / GTK
To type U+1CC0B in a GTK text field, press Ctrl+Shift+U, enter the hexadecimal value 1CC0B, then press Enter.
Codes and encoding1 code points
HTML decimal
𜰋
HTML hex
𜰋
CSS content
content: "\1CC0B";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%F0%9C%B0%8B
1
On screen
1
Code points
2
JS .length
4
UTF-8 bytes
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.