Piezoelectric buzzer

IMAGE . PART NUMBER . Φ HEIGHT LENGTH WIDTH MOUNTING TYPE SPL [DB] RATED VOLTAGE
PK-20A35P 23 19 / / DIP 85 12
SMD-090019H-03040 / 1.9 9 9 SMD 70 3
PT-1140PL 12.6 7.0 / / DIP 80 5
PT-1240P 14 7 / / DIP 85 5