
This electronic buzzer is designed for generating audible tones or signals. It has a compact rectangular package with through-hole mounting leads.

This crystal filter has a center frequency of 20.5MHz and a bandwidth of 455KHz. It is used in electronic circuits for signal filtering and frequency selection.

This compact crystal oscillator is designed for embedded systems and signal control modules (SCM). It operates at a frequency of 21.4 MHz and features a three-pin configuration.