Ole Wolff Electronics Inc.

Ole Wolff Electronics Inc.

Ole Wolff Electronics Inc. is a global company specializing in the design and manufacturing of electro-acoustic components. With a history dating back to 1936, Ole Wolff has become a trusted name in the audio industry. They offer a wide range of high-quality products including speakers, microphones, receivers, and transducers. These components are utilized in various applications such as consumer electronics, telecommunications, automotive systems, and professional audio equipment. Ole Wolff Electronics prioritizes innovation and invests heavily in research and development to meet market demands. Their experienced engineering team provides customized solutions tailored to specific customer needs. Quality is paramount, and they adhere to strict manufacturing standards and quality control processes. With a global presence, Ole Wolff Electronics has built partnerships with leading companies, offering comprehensive technical support and responsive customer service. In summary, Ole Wolff Electronics Inc. is a renowned manufacturer of electro-acoustic components, known for their high-quality products, commitment to innovation, and customer satisfaction.

Alarms, Buzzers, and Sirens

Results:
17
Series
Sound Pressure Level (SPL)
Size / Dimension
Height - Seated (Max)
Voltage Range
Current - Supply
Frequency
Operating Temperature
Voltage - Rated
Input Type
Termination
Mounting Type
Technology
Ratings
Port Location
Ingress Protection
Approval Agency
Duration
Driver Circuitry
Operating Mode
Results remaining17
Applied Filters:
Ole Wolff Electronics Inc.
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ImageProduct DetailPriceAvailabilityECAD ModelSeriesMounting TypeIngress ProtectionDurationOperating TemperatureTerminationApproval AgencyRatingsHeight - Seated (Max)Voltage - RatedCurrent - SupplyInput TypePort LocationDriver CircuitryVoltage RangeFrequencyTechnologyOperating ModeSize / DimensionSound Pressure Level (SPL)
OWMB-757525S-27-15A
BUZZER MAGNETIC 3.6V 7.5X7.5MM
1+
$2.5352
5+
$2.3944
10+
$2.2535
Quantity
17,000 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-
-
-20°C ~ 70°C
Solder Pads
-
-
0.098" (2.50mm)
3.6 V
100mA
DC
Side
Transducer, Externally Driven
2.5 ~ 4.5V
2.7kHz
Magnetic
Single Tone
0.295" L x 0.295" W (7.50mm x 7.50mm)
91dB @ 3.6V, 5cm
OWMB-505020S-40-12D
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Surface Mount
-
-
-40°C ~ 105°C
Solder Pads
-
-
0.079" (2.00mm)
3 V
100mA
Zero-Peak Signal
Top
Transducer, Externally Driven
2 ~ 5V
4kHz
Magnetic
Single Tone
0.197" L x 0.197" W (5.00mm x 5.00mm)
80dB @ 3V, 10cm
OWPB-181880S-20-12
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Surface Mount
-
-
-40°C ~ 85°C
Solder Pads
-
-
0.323" (8.20mm)
12 V
15mA
Peak-Peak Signal
Top
Transducer, Externally Driven
25V (Max)
2kHz
Piezo
Single Tone
0.709" L x 0.709" W (18.00mm x 18.00mm)
90dB @ 9V, 10cm
OWMB-131310S-20-140
BUZZER MAGNETIC 12V 13.8X13MM SM
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Surface Mount
-
-
-40°C ~ 105°C
Solder Pads
-
-
0.386" (9.80mm)
12 V
40mA
Zero-Peak Signal
Top
Transducer, Externally Driven
8 ~ 16V
2kHz
Magnetic
Single Tone
0.543" L x 0.512" W (13.80mm x 13.00mm)
90dB @ 12V, 10cm
OWMB-1715S-19-120
BUZZER MAGNETIC 12V 17X15MM SMD
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Surface Mount
-
-
-40°C ~ 105°C
Solder Pads
-
-
0.472" (12.00mm)
12 V
40mA
Zero-Peak Signal
Top
Transducer, Externally Driven
8 ~ 16V
1.9kHz
Magnetic
Single Tone
0.669" L x 0.591" W (17.00mm x 15.00mm)
98dB @ 12V, 10cm
OWMB-9032S-27-16-3
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Surface Mount
-
-
-40°C ~ 105°C
Solder Pads
-
-
0.126" (3.20mm)
3 V
80mA
Zero-Peak Signal
Side
Transducer, Externally Driven
2 ~ 4V
2.7kHz
Magnetic
Single Tone
0.362" Dia (9.20mm)
92dB @ 3V, 10cm
OWPB-5220PA-35-18
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Through Hole
-
-
-30°C ~ 80°C
PC Pins
-
-
0.800" (19.30mm)
18 V
50mA
Peak-Peak Signal
Top
Transducer, Externally Driven
60V (Max)
3.5kHz
Piezo
Single Tone
2.028" Dia (51.50mm)
120dB @ 18V, 10cm
OWPB-4013PA-32-9
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Through Hole
-
-
-30°C ~ 70°C
PC Pins
-
-
0.496" (12.60mm)
9 V
50mA
DC
Top
Transducer, Externally Driven
6 ~ 12V
3.2kHz
Piezo (with Feedback)
Single Tone
1.575" Dia (40.00mm)
110dB @ 9V, 10cm
OWMB-1295P-24-5
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Through Hole
-
-
-40°C ~ 85°C
PC Pins
-
Washable
0.374" (9.50mm)
5 V
30mA
Zero-Peak Signal
Top
Transducer, Externally Driven
3 ~ 7V
2.4kHz
Magnetic
Single Tone
0.472" Dia (12.00mm)
85dB @ 5V, 10cm
OWMB-323220SA-40-12
3.2X3.2 BUZZER 3V 4KHZ RF 72DB S
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Surface Mount
-
-
-40°C ~ 85°C
Solder Pads
-
-
0.079" (2.00mm)
3 V
100mA
Zero-Peak Signal
Top
Transducer, Externally Driven
2 ~ 4V
4kHz
Magnetic
Single Tone
0.118" L x 0.118" W (3.00mm x 3.00mm)
72dB @ 3V, 5cm
OWMB-404020SA-40-17
4X4 BUZZER 3V 4KHZ RF 70DB SPL
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Surface Mount
-
-
-40°C ~ 85°C
Solder Pads
-
-
0.079" (2.00mm)
3 V
90mA
Zero-Peak Signal
Top
Transducer, Externally Driven
2 ~ 4V
4kHz
Magnetic
Single Tone
0.157" L x 0.157" W (4.00mm x 4.00mm)
70dB @ 3V, 10cm
OWPB-909018S-40-03
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Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-
-
-40°C ~ 85°C
Solder Pads
-
-
0.070" (1.80mm)
3 V
3mA
Peak-Peak Signal
Side
Transducer, Externally Driven
25V
4kHz
Piezo
Single Tone
0.354" L x 0.354" W (9.00mm x 9.00mm)
77dB @ 12V, 10cm
OWMB-858530S-27-25
BUZZER MAGNETIC 3V 8.5X8.5MM SMD
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Surface Mount
-
-
-20°C ~ 70°C
Solder Pads
-
-
0.118" (3.00mm)
3 V
80mA
Zero-Peak Signal
Side
Transducer, Externally Driven
2 ~ 4V
2.7kHz
Magnetic
Single Tone
0.315" L x 0.315" W (8.00mm x 8.00mm)
85dB @ 3V, 10cm
OWPB-121230S-40-3.6
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Surface Mount
-
-
-20°C ~ 70°C
Solder Pads
-
-
0.118" (3.00mm)
3.6 V
3mA
Peak-Peak Signal
Side
Transducer, Externally Driven
25V
4kHz
Piezo
Single Tone
0.472" L x 0.472" W (12.00mm x 12.00mm)
75dB @ 3.6V, 10cm
OWMB-858540SA-40-15
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Surface Mount
-
-
-40°C ~ 85°C
Solder Pads
-
-
0.157" (4.00mm)
5 V
150mA
Zero-Peak Signal
Top
Transducer, Externally Driven
1 ~ 6V
4kHz
Magnetic
Single Tone
0.315" L x 0.315" W (8.00mm x 8.00mm)
100dB @ 5V, 10cm
OWPB-3308W-32.5-24
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Wire Lead
-
-
-20°C ~ 60°C
Wire Leads
-
-
0.315" (8.00mm)
24 V
80mA
Peak-Peak Signal
Top
Transducer, Externally Driven
-
3.125kHz
Piezo
Single Tone
1.260" Dia (32.00mm)
120dB @ 24V, 10cm
OWPB-3045W-32.5-24
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Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
Wire Lead
-
-
-30°C ~ 60°C
Wire Leads
-
-
0.236" (6.00mm)
24 V
100mA
Peak-Peak Signal
Top
Transducer, Externally Driven
40V (Max)
3.125kHz
Piezo
Single Tone
1.181" Dia (30.00mm)
115dB @ 24V, 10cm

About  Alarms, Buzzers, and Sirens

Alarms, Buzzers, and Sirens are essential devices designed to generate audible signals, typically in the form of a steady high-pitched hum. These devices are enclosed within molded housings, ensuring protection and durability. There are various characteristics that differentiate alarms, buzzers, and sirens, including driver circuitry, input type, voltage rating, voltage range, frequency, technology, operating mode, current supply, and port location. The driver circuitry determines the mechanism by which the device produces sound, while the input type specifies the type of electrical signal required to activate the device. The voltage rating and voltage range indicate the acceptable power supply levels for proper operation. The frequency represents the pitch or tone of the generated sound and can range from multiple frequencies to a specific range between 200Hz to 8kHz. Different technologies are utilized in the production of alarms, buzzers, and sirens. These include electromechanical, magnetic, piezo, and piezo with feedback. Each technology has its unique characteristics and advantages in terms of efficiency, reliability, and sound quality. Operating modes can vary, with options like continuous sound output, intermittent or pulsing signals, adjustable volume settings, or even programmable patterns. The current supply refers to the amount of electrical current required for the device to operate correctly. Port location specifies the position of the electrical connections on the device for easy integration into various systems or applications. Alarms, buzzers, and sirens find extensive use in a wide range of industries and applications, including security systems, industrial equipment, automotive vehicles, consumer electronics, and emergency warning systems. They provide vital auditory alerts and notifications to ensure safety, enhance communication, and alert individuals to potential hazards or situations requiring attention.