PFD-27A35ERQ

Port Location:	Top
Operating Temperature:	-20°C ~ 70°C
Approvals:	--
Ratings:	--
Mounting Type:	Panel Mount
Termination:	Screw Terminal, Quick Connect Tab - 0.189" (4.80mm)
Size / Dimension:	1.437" Dia (36.50mm)
Height - Seated (Max):	0.933" (23.70mm)
Series:	PFD
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Driver Circuitry:	Indicator, Internally Driven
Input Type:	DC
Voltage - Rated:	12V
Voltage Range:	3 ~ 24V
Frequency:	3.5kHz
Technology:	Piezo
Operating Mode:	Pin Selectable
Duration:	3 PPS
Sound Pressure Level (SPL):	95dB @ 12V, 30cm
Current - Supply:	15mA

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Alarms, Buzzers, and Sirens

The PFD-27A35ERQ is one of the most popular models of alarms, buzzers, and sirens used by many businesses and organizations. It is used mainly for audible signaling, warning, and alerting, and is widely used in industrial, commercial, and residential premises.The PFD-27A35ERQ is a low voltage, DC powered, electronic sounder device. It is composed of a sound producing circuit and a power source, which is usually powered by a 9-volt battery. The circuit consists of several components such as transistors, resistors, diodes, and capacitors that are connected together to create a sound-producing device. The sound created is loud and penetrating, making it suitable for alerting and signaling in a variety of locations and applications.This device can be used in a variety of applications such as fire alarm systems, security systems, burglar alarms, automatic doors, traffic signals, and manufacturing processes. It is also used in emergency situations such as for giving public warnings and alerts. For instance, it may be used in emergency situations for sounding off an alarm to alert people to danger or to notify them of a potential hazard. Additionally, this device may also be used for various educational purposes in schools or daycares. Aside from its primary purpose of signaling in various premises and applications, the PFD-27A35ERQ can also be used to produce sonic effects for theatrical plays, concerts, and other events. It can be used to create sound effects such as explosions, gunfire, or thunderclaps that help add to the ambiance and realism of the production.The PFD-27A35ERQ is also relatively easy to install and maintain. It is designed to be used with minimal maintenance and can be easily connected or disconnected with the use of small Phillips or flathead screwdrivers. The components of the device are all enclosed in a rugged, weather-resistant housing, which makes it resistant to harsh weather and other elements. It is also water-resistant, making it suitable for use in damp areas. In regards to its working principle, the PFD-27A35ERQ is a device that primarily uses electromechanical signaling and electrical sound patterns. When it is powered, an electromechanical solenoid is triggered that produces a sound in response to the electrical pulses sent to it. The sound patterns produced are usually determined by changing the frequency of the electrical pulses. For example, a different rhythm or a longer sound might be produced by changing the frequency of the electrical pulses sent.In conclusion, the PFD-27A35ERQ is a device capable of producing loud and penetrating sound that can be used for a variety of applications and industries. It is relatively easy to install and maintain and is composed of electromechanical and electrical components that make it suitable for a variety of signaling purposes. With its versatility, it has become one of the most popular models of alarms, buzzers, and sirens used in many businesses and different industries today.

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