SCE120MA3DT8B

Series:	SCE
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Driver Circuitry:	Indicator, Internally Driven
Input Type:	AC
Voltage Range:	48 ~ 120V
Frequency:	2.9kHz
Technology:	Piezo
Operating Mode:	Warble, Slow
Duration:	1.5 WPS
Sound Pressure Level (SPL):	75dB @ 48V, 61cm
Current - Supply:	40mA
Port Location:	Top
Operating Temperature:	-40°C ~ 85°C
Approvals:	cUL, UL
Ratings:	--
Mounting Type:	Panel Mount
Termination:	Terminal Block
Size / Dimension:	1.687" Dia (42.85mm)
Height - Seated (Max):	1.511" (38.39mm)

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Alarms, Buzzers, and Sirens

Alarm systems and warning devices are important components in any safety system. They warn of danger, alert people to take appropriate action, and signal individuals that it is time to take necessary safety measures. The SCE120MA3DT8B is an example of a warning device – an alarm, buzzer, and siren – that can be used in a wide range of applications.The SCE120MA3DT8B emits a loud audio signal that is sure to grab a person\'s attention. It operates over a wide range of frequencies, from 3 Hz to 20 KHz, and is designed to generate sound levels up to 115dB at 30cm. It also has an alarm current of 0.4A and a sound-to-light ratio of 95%.The SCE120MA3DT8B can be used in many different applications. It is often used in situations where an audible warning signal is needed, such as in fire and smoke alarms, security systems, alarm systems, and any other type of warning system. It can also be used in medical facilities, such as hospitals, where it is important to alert patients and staff of emergency situations in a timely manner.In terms of its working principle, the SCE120MA3DT8B consists of a piezoelectric transducer that produces sound waves in response to a voltage. When voltage is applied, the transducer produces an oscillating ring voltage which is then amplified by an amplifier circuit before being sent to the speaker. The frequency of the oscillation is determined by the frequency of the voltage applied to the transducer, and the sound level is determined by the power of the amplifier.The most common use for the SCE120MA3DT8B is as a safety alarm. It can be connected to any type of control system, from standalone systems for things like smoke alarms to complex systems for large buildings, and it can be programmed to trigger an alarm at a certain voltage level or after a certain amount of time has elapsed.In terms of installation, it is easy to install the SCE120MA3DT8B thanks to its low profile design. It can be mounted using screws or adhesive and is also compatible with a range of enclosures for a complete alarm system.In conclusion, the SCE120MA3DT8B is a versatile, reliable, and easy to use alarm, buzzer, and siren that can be used in a wide range of applications. It operates with a wide range of frequencies and can generate sound levels up to 115dB at 30cm. It is also simple to install and can be connected to any type of control system. All of these features make it an ideal choice for any safety system.

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