Alarms, Buzzers, and Sirens
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— IC芯片 | 连接器 | 传感器 | 被动器件 —

Alarms, Buzzers, and Sirens are devices that produce an audible signal usually like a steady high-pitched hum that is encased within a molded housing. The characteristics are driver circuitry, input type, voltage rated, voltage range, frequency, technology, operating mode, current supply, and port location. The technology is electromechanical, magnetic, piezo, and piezo (with feedback) with a frequency from multiple, 200Hz to 8kHz.
| Select products | Mfr | Description | Package | Supplier Device Package | Mounting Type | Series | Operating Temperature |
|---|---|---|---|---|---|---|---|
![]() PK-41N29W-24VQ $8.21 | Mallory Sonalert Products Inc. | 12-28DC 87-104DB 2900HZ CONT 44X | Bulk | Through Hole | PK | -20°C ~ 70°C | |
| Murata Electronics | BUZZER PIEZO 12V 24.3MM TH | Bulk | Through Hole | PK | -20°C ~ 70°C | ||
![]() PKB24SPCH3601-B0 $2.51 | Murata Electronics | BUZZER PIEZO 12V 24.3MM TH | Bulk | Through Hole | PK | -20°C ~ 70°C | |
| Murata Electronics | BUZZER PIEZO 12V 24.3MM TH | Bulk | Through Hole | PK | -20°C ~ 70°C | ||
| Murata Electronics | BUZZER PIEZO 24MM FLANGE | Bulk | Panel Mount, Flange | PK | -20°C ~ 70°C | ||
![]() PKD-27A30EWQ $15.52 | Mallory Sonalert Products Inc. | 3-15DC 80-100DB 3000HZ CONT 32X2 | Bulk | Through Hole | PKD | -20°C ~ 70°C | |
![]() PKHPS0013E4000-A2 $0.31 | Murata Electronics | BUZZER PIEZO 1.5V 12.6MM TH | Cut Tape (CT),Tape & Box (TB) | Through Hole | PKHPS0013E40 | -40°C ~ 85°C | |
![]() PKLCS1212E2000-R1 $1.02 | Murata Electronics | BUZZER PIEZO 1.5V 12X12MM SMD | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | PK | -20°C ~ 70°C |