SC628AFR Allicdata Electronics
Allicdata Part #:

SC628AFR-ND

Manufacturer Part#:

SC628AFR

Price: $ 21.48
Product Category:

Audio Products

Manufacturer: Mallory Sonalert Products Inc.
Short Description: AUDIO PIEZO IND 6-28V PNL MNT
More Detail: Buzzers Indicator, Internally Driven Piezo 2 ~ 4m...
DataSheet: SC628AFR datasheetSC628AFR Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
1 +: $ 19.52370
Stock 1000Can Ship Immediately
$ 21.48
Specifications
Series: SC
Packaging: Bulk 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Driver Circuitry: Indicator, Internally Driven
Input Type: AC, DC
Voltage Range: 6 ~ 28V
Frequency: 2.9kHz
Technology: Piezo
Operating Mode: Single Tone
Duration: --
Sound Pressure Level (SPL): 50dB @ 6V, 61cm
Current - Supply: 2 ~ 4mA
Port Location: Top
Operating Temperature: -30°C ~ 65°C
Approvals: --
Ratings: --
Mounting Type: Panel Mount
Termination: Screw Terminal, Quick Connect Tab - 0.250" (6.35mm)
Size / Dimension: 1.692" Dia (42.98mm)
Height - Seated (Max): 1.399" (35.54mm)
Description

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Alarms, buzzers, and sirens are all types of devices used to alert populations of potentially hazardous situations or events. One specific example of this type of device is the SC628AFR, an alarm application field and working principle that requires an external power supply such as an AC mains. It is mainly used for life critical alarm applications such as smoke alarms and carbon monoxide monitors. It is an active alarm, meaning that it has a built-in sound producing component. The sound is produced through a 2-way transducer. It is powered by either a 9V alkaline battery or an AC line transformer.

The SC628AFR includes a red warning light, a single 2-way transducer, and a siren. The warning light serves to indicate that the alarm is being activated. The siren works in a similar manner. Whenever the alarm is activated, the siren emits a loud, piercing sound. This sound is meant to alert people in the immediate area of a potential emergency. It also serves to distract any potential intruder by creating loud noises, making it difficult for them to focus.

This alarm application field and working principle utilizes an active electronics circuit along with the sound-producing transducer. This electronics circuit activates the siren when the alarm is triggered. This circuit is formed by two capacitor-controlled voltage comparators. These voltage comparators monitor an external power supply and react if the supply is suddenly interrupted or changed. If one of these scenarios occurs, the circuit emits a signal that triggers the siren.

Additionally, the SC628AFR is equipped with a 10-minute manual reset function. This allows a user to manually turn off the alarm if necessary. This is important in the event of false alarms, which can be caused by excessive smoke or other triggers. Additionally, this alarm can also be used with external relays to activate additional devices and prompt further action.

In conclusion, the SC628AFR is an active alarm and working principle, mainly used for life critical alarm applications. It utilizes an active electronics circuit, along with a 2-way transducer to produce sound waves, in order to alert people of potentially hazardous situations. Additionally, it is also equipped with a 10-minute manual reset feature, as well as external relay options for additional response.

The specific data is subject to PDF, and the above content is for reference

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