EAF-12RF04C

Series:	EAF
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Driver Circuitry:	Transducer, Externally Driven
Input Type:	Zero-Peak Signal
Voltage - Rated:	1.5V
Voltage Range:	--
Frequency:	2.048kHz
Technology:	Magnetic
Operating Mode:	Single Tone
Duration:	--
Sound Pressure Level (SPL):	86dB @ 1.5V, 100cm
Current - Supply:	--
Port Location:	Top
Operating Temperature:	--
Approvals:	--
Ratings:	--
Mounting Type:	Through Hole
Termination:	PC Pins
Size / Dimension:	0.472" Dia (12.00mm)
Height - Seated (Max):	0.335" (8.50mm)

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Alarms, Buzzers, and Sirens

Alarms, buzzers, and sirens are auditory devices used to alert or warn people of the presence of a hazard or potential danger. These devices mostly operate on electricity, although non-electric devices such as whistles and bells can also serve as warning signals. The EAF-12RF04C is a low-cost and reliable siren of this type. The EAF-12RF04C is a solid state siren that uses an electro-mechanical actuator to make a loud noise that can be heard from a long distance. It is designed to warn people and startle them into taking action against an impending emergency. The siren is also used for various security applications, including area protection, theft prevention, or as a warning signal.The siren uses two separate components to work. First is a power supply module, which contains an energy storage capacitor that is charged when the siren is off. When a signal is received, the power supply module passes the stored energy to the other component, the sounder generator. This device produces a sound wave of a frequency that is determined by the components inside it. The core of the sounder generator is a metal diaphragm vibrator. It is suspended between two magnets and the sound energy generated is ducted thorough a series of holes in the metal plate. The electrical signal passes through the diaphragm, which moves to create a sound wave. The sound is intensified by the magnets, which cause the diaphragm to vibrate more quickly and produce a louder sound.The siren also comes with several different adjustment values that allow users to customize the siren’s sound output according to their specific needs. For example, the frequency can be adjusted so it ranges from a slow, low pitched sound, to a fast, high-pitched sound that can be heard and understood from greater distances. Additionally, the sound can be adjusted to the application by controlling the loudness, duration, and pitch.The EAF-12RF04C is designed to be wired direct to a control panel or remotely operated via a wireless receiver. It features a robust construction, resistance to extreme weather conditions, and it meets all security and ear protection standards. Additionally, the device is energy efficient and very easy to install and maintain.In conclusion, the EAF-12RF04C is an ideal siren for warning people of the presence of a hazard or danger. With its adjustable sound characteristics, robust construction, and minimal power requirements, it is well suited for a wide range of applications.

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