PF-20A35EWQ

$4.74

Description：BUZZER PIEZO 12V 28MM FLANGE
Series：PF
Mfr：Mallory Sonalert Products Inc.
Package：Bulk

SKU:10af648f0034 Category: Alarms, Buzzers, and Sirens Brand: Mallory Sonalert Products Inc.

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Product introduction

Product Detailed Parameters

Description：BUZZER PIEZO 12V 28MM FLANGE
Series：PF
Mfr：Mallory Sonalert Products Inc.
Package：Bulk
Driver Circuitry：Indicator, Internally Driven
Input Type：DC
Frequency：3.5kHz
Technology：Piezo
Operating Mode：Pulse, Fast
Duration：-
Sound Pressure Level (SPL)：95dB @ 12V, 30cm
Current - Supply：10mA
Port Location：Top
Operating Temperature：-20°C ~ 70°C
Approval Agency：-
Ratings：-
Ingress Protection：-
Mounting Type：Panel Mount, Flange
Termination：Wire Leads
Height - Seated (Max)：0.992" (25.20mm)
Voltage - Rated：12 V
Voltage Range：3 ~ 24V
Size / Dimension：1.102" Dia (28.00mm)

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PF-20A35EWQ

Overview

The PF-20A35EWQ is an industrial-grade audible alarm from Mallory Sonalert Products Inc. It operates on a DC voltage range of 4 to 24 volts and produces a fast pulse tone at a frequency of 3.5 kHz. The device delivers a sound pressure level of 95 dB and features physical dimensions of 28 mm by 25 mm.

Feature Summary

Industrial-grade construction for demanding environments
Fast pulse output mode for distinct alerting
Wide operating voltage compatibility

Applications

Industrial machinery status indication
Factory automation safety alarms
Commercial equipment fault signaling

Procurement Notes

Verify the specific part number against official Mallory Sonalert documentation to ensure correct voltage and pulse specifications. Confirm environmental ratings and mounting requirements match the intended application before procurement. Cross-reference datasheets for any recent revisions or compliance updates.

Selection Notes

Select this component when a high-decibel, fast-pulse indicator is required for industrial settings. Ensure the system power supply falls within the 4-24VDC range. Consider the 28x25mm footprint for panel cutout compatibility during the design phase.

Part Context

This unit belongs to the PF series of industrial buzzers designed for robust performance. It serves as a visual and auditory warning component in systems requiring reliable audio feedback under various operational conditions.

Replacement Considerations

Consult official Mallory Sonalert substitution guides for verified equivalents. Generic replacements may not match the specific fast pulse characteristics or industrial durability standards.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.