PROWAVE
超声波收发器, 77KHZ, 4.9MM
PRO SIGNAL
电磁发声器, 78DB, SMT, 5X5MM
MULTICOMP
磁性蜂鸣器
PHOENIX CONTACT
模拟接口模块
PROJECTS UNLIMITED
换能器, Audio, SMT, 1 V, 25 V, 3 mA, 75 dBA