yīn​fú

note

音符 yīn​fú
note noun
a musical note or symbol representing a specific sound and duration
phonetic symbol noun
a phonetic component of a Chinese character, a phonogram, or a symbol used for phonetic notation

Phono-semantic characters are usually composed of a semantic component and a phonetic component.

Frequency

Movie subtitles
2.77 per million appears in 1% of films
Written text
2.92 per million

Sources

Definitions
CC-CEDICT