PF-27N25PSQ Allicdata Electronics
Allicdata Part #:

PF-27N25PSQ-ND

Manufacturer Part#:

PF-27N25PSQ

Price: $ 4.49
Product Category:

Audio Products

Manufacturer: Mallory Sonalert Products Inc.
Short Description: AUDIO PIEZO INDICATOR 3-28V TH
More Detail: Buzzers Transducer, Externally Driven Piezo (with ...
DataSheet: PF-27N25PSQ datasheetPF-27N25PSQ Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
50 +: $ 4.07635
Stock 1000Can Ship Immediately
$ 4.49
Specifications
Series: PF
Packaging: Bulk 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Driver Circuitry: Transducer, Externally Driven
Input Type: DC
Voltage - Rated: 12V
Voltage Range: 3 ~ 28V
Frequency: 2.5kHz
Technology: Piezo (with Feedback)
Operating Mode: Pulse, Fast
Duration: 3 PPS
Sound Pressure Level (SPL): 90dB @ 12V, 30cm
Current - Supply: 15mA
Port Location: Top
Operating Temperature: -20°C ~ 70°C
Approvals: --
Ratings: --
Mounting Type: Through Hole
Termination: PC Pins
Size / Dimension: 1.181" Dia (30.00mm)
Height - Seated (Max): 0.638" (16.20mm)
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 warning systems that sound loud, shrill noises to alert people to emergencies or other dangerous situations. The PF-27N25PSQ is one such device designed for industrial, commercial, and residential applications. This device is a combination alarm, buzzer, and siren that provides high-intensity alert signals for a variety of situations.

In its simplest form, the PF-27N25PSQ is an AC-driven alarm system with a built-in piezoelectric buzzer/siren element. It is designed to be connected to an AC supply voltage ranging from 110 to 240 volts, depending on the model. Additionally, some models can be used with 12V DC supplies. The alarm is rated to produce a maximum sound pressure level of 107dB at 1 meter, which is enough to be hear in most surrounding environments.

The device is constructed using high-quality materials to provide the maximum level of performance and reliability. The unit also features a wide operating temperature range, from -4°F to +140°F, which makes it suitable for use in a variety of environments. Additionally, the device is equipped with optional features such as tamper-proof screws, a test button, and integral chimes.

The PF-27N25PSQ is typically used in a wide range of applications, including commercial and industrial buildings, emergency response systems, and residential security systems. It is also used in medical and emergency alarm systems, such as fire alarms and smoke detectors. In these applications, the alarm serves to alert personnel to an emergency situation and to prompt them to take appropriate action.

The working principle of the PF-27N25PSQ is based on the piezoelectric effect, which involves the generation of electrical charges in certain materials when they are subjected to mechanical strain. This effect is applied to the device\'s piezoelectric transducer element, which consists of a vibration foil held between two electrodes. When an AC voltage is applied to the element, mechanical strain is generated in the vibration foil, which in turn causes electrical charges to be generated. These charges cause the element to vibrate, producing the high-intensity warning sound.

The device also has several safety features to ensure reliable and safe operation. It has an overload protection circuitry which will automatically shut off the unit if the sound pressure level exceeds the design limits. It also has a durable plastic housing which provides protection to the internal components and prevents electrical shorts.

Overall, the PF-27N25PSQ is a reliable and effective device used in a variety of warning systems. Its simple operating principle, combined with its robust construction and wide operating conditions, make it a great choice for industrial, commercial, and residential applications. With its loud, shrill sound and various safety features, the PF-27N25PSQ provides an effective and reliable way to alert people to potential danger.

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

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