Alarms, Buzzers, and Sirens
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.
Sourcing PUI Audio, Inc. Alarms, Buzzers, and Sirens: in-stock lines for quick ship, BOM matching for multi-line builds, and original-channel screening — not keyword stuffing.
Product List
Total Components: 93
| Product | Pricing | Datasheet | Driver Circuitry | Operating Mode | Duration | Sound Pressure Level (SPL) | Approval Agency | Mounting Type | Port Location | Voltage Range | Operating Temperature | Size / Dimension | Voltage - Rated | Current - Supply | Frequency | Height - Seated (Max) | Ingress Protection | Input Type | Ratings | Technology | Termination | Stock & Quantity |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 AI-1223-TWT-5V-5-R PUI Audio, Inc. | 1 $1.2700 | Indicator, Internally Driven | Single Tone | - | 85dB @ 5V, 10cm | - | Through Hole | Top | 4 ~ 7V | -20°C ~ 70°C | 0.472" Dia (12.00mm) | 5 V | 30mA | 2.3kHz | 0.382" (9.70mm) | - | DC | Washable | Electromechanical/Magnetic | PC Pins | 4,576 | |
 AT-1224-TWT-R PUI Audio, Inc. | 1 $1.2600 | Transducer, Externally Driven | Single Tone | - | 85dB @ 5V, 10cm | - | Through Hole | Top | 3 ~ 8V | -40°C ~ 70°C | 0.472" Dia (12.00mm) | 5 V | 40mA | 2.4kHz | 0.343" (8.70mm) | - | Peak-Peak Signal | Washable | Electromechanical/Magnetic | PC Pins | 5,663 | |
 SMT-0540-S-R PUI Audio, Inc. | 1 $2.4700 | Transducer, Externally Driven | Single Tone | - | 78dB @ 3V, 10cm | - | Surface Mount | Side | 2 ~ 4V | -30°C ~ 70°C | 0.197" L x 0.197" W (5.00mm x 5.00mm) | 3 V | 100mA | 4kHz | 0.083" (2.10mm) | - | Zero-Peak Signal | - | Electromechanical/Magnetic | Solder Pads | 4,895 | |
 AT-1620-TWT-R PUI Audio, Inc. | 1 $1.5900 | Transducer, Externally Driven | Single Tone | - | 90dB @ 6V, 10cm | - | Through Hole | Top | 4 ~ 8V | -20°C ~ 70°C | 0.630" Dia (16.00mm) | 6 V | 40mA | 2.048kHz | 0.571" (14.50mm) | - | Peak-Peak Signal | Washable | Electromechanical/Magnetic | PC Pins | 2,254 | |
 SMI-1027-TW-3V-R PUI Audio, Inc. | 1 $2.8200 | Indicator, Internally Driven | Single Tone | - | 80dB @ 3V, 10cm | - | Surface Mount | Top | 2 ~ 5V | -30°C ~ 70°C | 0.382" L x 0.382" W (9.70mm x 9.70mm) | 3 V | 30mA | 2.7kHz | 0.197" (5.00mm) | - | DC | Washable | Electromechanical/Magnetic | Solder Pads | 5,979 | |
 AI-1027-TWT-5V-2-R PUI Audio, Inc. | 1 $1.6300 | Indicator, Internally Driven | Single Tone | - | 82dB @ 5V, 10cm | - | Through Hole | Top | 3 ~ 7V | -20°C ~ 70°C | 0.378" Dia (9.60mm) | 5 V | 30mA | 2.73kHz | 0.217" (5.50mm) | - | DC | Washable | Electromechanical/Magnetic | PC Pins | 8,423 | |
 SMT-1028-S-2-R PUI Audio, Inc. | 1 $2.9100 | Transducer, Externally Driven | Single Tone | - | 93dB @ 3.6V, 10cm | - | Surface Mount | Side | 3 ~ 4.6V | -20°C ~ 70°C | 0.394" L x 0.394" W (10.00mm x 10.00mm) | 3.6 V | 100mA | 2.83kHz | 0.138" (3.50mm) | - | Zero-Peak Signal | - | Electromechanical/Magnetic | Solder Pads | 8,619 | |
 AT-1438-TWT-R PUI Audio, Inc. | 1 $1.7000 | Transducer, Externally Driven | Single Tone | - | 80dB @ 5V, 10cm | - | Through Hole | Top | 1 ~ 20V | -30°C ~ 80°C | 0.543" Dia (13.80mm) | 5 V | 1mA | 3.8kHz | 0.287" (7.30mm) | - | Peak-Peak Signal | Washable | Piezo | PC Pins | 9,736 | |
 SMT-0540-T-7-R PUI Audio, Inc. | 1 $2.9900 | Transducer, Externally Driven | Single Tone | - | 78dB @ 3V, 10cm | - | Surface Mount | Top | 2 ~ 4V | -30°C ~ 70°C | 0.197" L x 0.197" W (5.00mm x 5.00mm) | 3 V | 100mA | 4kHz | 0.083" (2.10mm) | - | Zero-Peak Signal | - | Electromechanical/Magnetic | Solder Pads | 9,694 | |
 AT-0927-TT-2-R PUI Audio, Inc. | 1 $1.7400 | Transducer, Externally Driven | Single Tone | - | 86dB @ 3V, 10cm | - | Through Hole | Top | 2 ~ 4V | -20°C ~ 70°C | 0.354" Dia (9.00mm) | 3 V | 70mA | 2.73kHz | 0.165" (4.20mm) | - | Peak-Peak Signal | - | Electromechanical/Magnetic | PC Pins | 1,687 | |
 SMT-0440-T-R PUI Audio, Inc. | 1 $3.1000 | Transducer, Externally Driven | Single Tone | - | 70dB @ 3V, 10cm | - | Surface Mount | Top | 2 ~ 4V | -20°C ~ 70°C | 0.157" L x 0.157" W (4.00mm x 4.00mm) | 3 V | 90mA | 4kHz | 0.098" (2.50mm) | - | Zero-Peak Signal | - | Electromechanical/Magnetic | Solder Pads | 3,689 | |
 AI-1223-TWT-12V-3-R PUI Audio, Inc. | 1 $1.8100 | Indicator, Internally Driven | Single Tone | - | 85dB @ 12V, 10cm | - | Through Hole | Top | 8 ~ 16V | -20°C ~ 70°C | 0.472" Dia (12.00mm) | 12 V | 30mA | 2.3kHz | 0.382" (9.70mm) | - | DC | Washable | Electromechanical/Magnetic | PC Pins | 2,423 | |
 SMT-0823-S-R PUI Audio, Inc. | 1 $3.1500 | Transducer, Externally Driven | Single Tone | - | 87dB @ 5V, 10cm | - | Surface Mount | Side | 3 ~ 7V | -30°C ~ 70°C | 0.335" L x 0.335" W (8.50mm x 8.50mm) | 5 V | 70mA | 2.3kHz | 0.177" (4.50mm) | - | Zero-Peak Signal | - | Electromechanical/Magnetic | Solder Pads | 6,021 | |
 SMT-0826-S-R PUI Audio, Inc. | 1 $3.1600 | Transducer, Externally Driven | Single Tone | - | 90dB @ 3.6V, 10cm | - | Surface Mount | Side | 2.5 ~ 4.5V | -30°C ~ 70°C | 0.315" L x 0.315" W (8.00mm x 8.00mm) | 3.6 V | 90mA | 2.63kHz | 0.126" (3.20mm) | - | Zero-Peak Signal | - | Electromechanical/Magnetic | Solder Pads | 3,835 | |
 SMT-0827-SW-3V-R PUI Audio, Inc. | 1 $3.3000 | Transducer, Externally Driven | Single Tone | - | 85dB @ 3.6V, 10cm | - | Surface Mount | Side | 2.5 ~ 4.5V | -40°C ~ 85°C | 0.335" L x 0.335" W (8.50mm x 8.50mm) | 3.6 V | 60mA | 2.73kHz | 0.236" (6.00mm) | - | Zero-Peak Signal | Washable | Electromechanical/Magnetic | Solder Pads | 6,074 | |
 SMT-0727-S-R PUI Audio, Inc. | 1 $3.3100 | Transducer, Externally Driven | Single Tone | - | 85dB @ 3.6V, 10cm | - | Surface Mount | Side | 2 ~ 5V | -30°C ~ 70°C | 0.295" L x 0.295" W (7.50mm x 7.50mm) | 3.6 V | 120mA | 2.7kHz | 0.106" (2.70mm) | - | Zero-Peak Signal | - | Electromechanical/Magnetic | Solder Pads | 8,889 | |
 AT-2830-TWT-R PUI Audio, Inc. | 1 $1.9400 | Transducer, Externally Driven | Single Tone | - | 93dB @ 12V, 10cm | - | Through Hole | Top | 3 ~ 28V | -30°C ~ 85°C | 1.122" Dia (28.50mm) | 12 V | 8mA | 3kHz | 0.520" (13.20mm) | - | Peak-Peak Signal | Washable | Piezo (with Feedback) | PC Pins | 6,230 | |
 AI-3035-TT-12V-R PUI Audio, Inc. | 1 $2.0200 | Indicator, Internally Driven | Single Tone | - | 110dB @ 12V, 10cm | - | Through Hole | Top | 3 ~ 20V | -40°C ~ 85°C | 1.189" Dia (30.20mm) | 12 V | 12mA | 3.5kHz | 0.768" (19.50mm) | - | DC | - | Electromechanical/Magnetic | PC Pins | 2,370 | |
 SMT-0821-T-R PUI Audio, Inc. | 1 $3.3600 | Transducer, Externally Driven | Single Tone | - | 87dB @ 3.6V, 10cm | - | Surface Mount | Top | 2 ~ 5V | -30°C ~ 70°C | 0.335" L x 0.335" W (8.50mm x 8.50mm) | 3.6 V | 90mA | 2.1kHz | 0.161" (4.10mm) | - | Zero-Peak Signal | - | Electromechanical/Magnetic | Solder Pads | 6,965 | |
 SMT-0940-T-3V-R PUI Audio, Inc. | 1 $3.9400 | Transducer, Externally Driven | Single Tone | - | 70dB @ 3V, 10cm | - | Surface Mount | Top | 1 ~ 25V | -30°C ~ 70°C | 0.354" L x 0.354" W (9.00mm x 9.00mm) | 3 V | 1mA | 4kHz | 0.094" (2.40mm) | - | Peak-Peak Signal | - | Piezo | Solder Pads | 4,562 |