This character is a Other Letter and is mainly used in the Hangul script.
The glyph is a canonical composition of the glyphs Glyph for U+1107Hangul Choseong Pieup, Glyph for U+1162Hangul Jungseong Ae. Its East Asian Width is wide. In bidirectional text it is written from left to right. When changing direction it is not mirrored. U+BC30 forms a Korean syllable block with similar characters, which prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
Bae, also spelled Bai or Pae, is a Korean family name. The South Korean census of 2015 found 400,641 people by this surname, or less than 1% of the population. In a study by the National Institute of the Korean Language based on 2007 application data for South Korean passports, it was found that 96.8% of people with this family name spelled it in Latin letters as Bae. Rarer alternative spellings (the remaining 3.2%) included Bai, Pae, and Bea.
There are two different ways to write the name in hanja: the most common (裵), and an alternative (裴) which lacks the "stem" (亠, Radical 8) at the top. The most common character is also used to write the Chinese surname Pei, which is also the origin of the Vietnamese surname Bùi.