Back Electret Condenser Microphone unit
(No FET built-in)

ETP-YU-221

Features

l         No FET

Applications

l         Mobile phone

l         Lavalier mic.

l         Headset

Specification

Sensitivity	-38dB+/-3dB (0dB=1V/Pa, 1KHz)
Frequency range	50 〜 20,000 Hz
Capsule Capacitance	4 pF
Polarity	Uni-directional
Size	7.0φx 10.0 (t) mm.