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 |
|---|---|---|---|---|---|---|---|
![]() OWPB-121230S-40-3.6 $0.90 | Ole Wolff Electronics Inc | BUZZER PIEZO 3.6V 12X12MM SMD | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | - | -20°C ~ 70°C | |
![]() OWPB-181880S-20-12 $1.69 | Ole Wolff Electronics Inc | BUZZER PIEZO 12V 18X18MM SMD | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | - | -40°C ~ 85°C | |
![]() OWPB-3045W-32.5-24 $1.65 | Ole Wolff Electronics Inc | BUZZER PIEZO 24V 30MM FLANGE | Bulk | Wire Lead | - | -30°C ~ 60°C | |
![]() OWPB-3308W-32.5-24 $1.69 | Ole Wolff Electronics Inc | BUZZER PIEZO 24V 32MM FLANGE | Bulk | Wire Lead | - | -20°C ~ 60°C | |
![]() OWPB-4013PA-32-9 $2.34 | Ole Wolff Electronics Inc | BUZZER PIEZO 9V 40MM TH | Bulk | Through Hole | - | -30°C ~ 70°C | |
![]() OWPB-5220PA-35-18 $2.75 | Ole Wolff Electronics Inc | BUZZER PIEZO 18V 51.5MM TH | Bulk | Through Hole | - | -30°C ~ 80°C | |
![]() OWPB-909018S-40-03 $1.01 | Ole Wolff Electronics Inc | BUZZER PIEZO 3V 9X9MM W SMD | Tape & Reel (TR),Cut Tape (CT) | Surface Mount | - | -40°C ~ 85°C | |
| Gearbox Labs | BUZZER PIEZO 5V TH | Bulk | Through Hole | - | - |