Voltage Range:	2 ~ 4V
Frequency:	4kHz
Technology:	Magnetic
Operating Mode:	Single Tone
Duration:	--
Sound Pressure Level (SPL):	78dB @ 3V, 10cm
Current - Supply:	100mA
Port Location:	Side
Operating Temperature:	-30°C ~ 70°C
Approvals:	--
Ratings:	--
Mounting Type:	Surface Mount
Termination:	Solder Pads
Size / Dimension:	0.197" L x 0.197" W (5.00mm x 5.00mm)
Height - Seated (Max):	0.083" (2.10mm)
Series:	SMT
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Driver Circuitry:	Transducer, Externally Driven
Input Type:	Peak-Peak Signal
Voltage - Rated:	3V

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Alarms, Buzzers, and Sirens

Alarms, buzzers, and sirens are essential components in many safety and security systems. These devices warn other people or employees of a potential threat and warn them to take appropriate action. The SMT-0540-S-R is a type of siren alarm and is an excellent choice for many applications.The SMT-0540-S-R siren is a powerful alarm system designed to alert people in a specific area of a potential danger. It has multiple tones and volume settings, which can be adjusted to create different levels of alert depending on the emergency. The siren is designed to be easily installed into existing security systems, making it a great choice for both commercial and residential applications.The SMT-0540-S-R siren utilizes high efficiency electronics and can be powered by an AC or DC source. It is equipped with a loud, warning tone and can be installed in both internal and external locations. The siren is designed to emit an audible signal when triggered and provides an effective warning to nearby people or employees.The SMT-0540-S-R siren is ideal for fire, medical emergencies, burglary, and other security situations. This type of alarm is perfect for both indoor and outdoor applications. It can be installed on walls, ceilings, and doors as well as in stairwells and hallways. The siren emits an audible alarm when activated, which allows people to quickly assess the situation and take appropriate action.The SMT-0540-S-R siren is an extremely reliable and durable system. It is built with a low maintenance design and is resistant to moisture and dust. The siren is designed to be corrosion and shock resistant for long-term reliability. It is also constructed with a durable plastic or metal housing for long-term use.The SMT-0540-S-R siren operates by utilizing a sounder transducer that produces the warning signal. The sounder transducer is connected to the siren by a lead wire and is connected to an AC or DC power source. The sounder transducer is adjusted to produce the desired warning tone, which is amplified by the siren. The sounder is triggered when the alarm system is activated, producing the loud, warning tone.The SMT-0540-S-R siren is an effective and reliable choice for a wide range of applications. It is easy to install and will provide an effective warning for people or employees when triggered. The siren is also an excellent choice for both indoor and outdoor applications and is resistant to moisture and dust. It is a reliable and cost-efficient choice for both commercial and residential properties.

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