Code point
U+30C3
Glyph appearance depends on your fonts.
U+30C3
LoU+30C3 KATAKANA LETTER SMALL TU is a Unicode 16.0.0 character in the Other Letter category. It belongs to the Katakana block.
Choose the representation you need, then copy its value.
U+30C3
12483
ッ
ッ
E3 83 83
30C3
000030C3
%E3%83%83
\u30C3
\u30C3
\u30C3
\30C3