Medium-loud, 4KHz continuous tone. 85dB / 5Vdc / 10cm. Operates on 1-12Vdc. Max current 20mA @12Vdc. 15.5mm diameter x 14mm high plastic case. PC leads on 7.62mm centers.
Niche 5003 #24-1623-01. 4 - 20 Vdc. Tone adjust by open/close sound port on face. 43mm diameter 34.8mm tall. Can be mounted through a panel hole of 27mm diameter via threaded bushing and panel nut...
FY14-G. 3-18Vdc mini-piezo beeper. Emits a medium, high-pitched tone when energized. 80 dB. 12Vdc, 7mA, 4Khz. 13.8mm diameter x 7.5mm high. PC pins on 7.5mm centers.
Operates on 3-28 Vdc. Continuous tone. 103 db sound pressure. 1.14" diameter x 0.93" ABS plastic housing. Can be bulkhead mounted with tabs on 1.31" mounting centers, or can be mounted through ...
GCM-1212X. 6-12Vdc piezo beeper. Rated 30 mA @ 12 Vdc, 2300 Hz, +/- 85 db. Medium-loudness. Pitch is higher at 6Vdc than at 12Vdc. 12mm diameter x 9.5mm high. PC leads on 7mm centers.