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PT-2745WQ
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We source brand-new parts via original manufacturers, franchised distributors or verified independent channels, with incoming inspection. Channel type is confirmed on your quote.

Contact sales or email [email protected] with MPN and quantity. We reply with stock, ETA and reference pricing — confirm before PO.

Reference price and stock shown as of 2026-09-20. Confirm live availability and unit price via RFQ before placing a PO.

PT-2745WQ

BUZZER PIEZO 5V 30MM FLANGE
Mallory Sonalert Products · Alarms, Buzzers, and Sirens · BOM Matching
Mfr. Part Number
PT-2745WQ
Manufacturer
Mallory Sonalert Products
Datasheet
Datasheet
Description
BUZZER PIEZO 5V 30MM FLANGE
RoHS Status
Lead Free / RoHS Complaint
Availability
Sourcing — Lead time quoted on request (often 3–15 business days by channel)
sample
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PT-2745WQ
Mallory Sonalert Products
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In Stock9,970
Unit
Price
$2.22
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Reference Price
QuantityPrice
1$ 2.2200
Prices are for reference only. The final transaction is subject to confirmation.
As of 2026-09-20 · Valid as reference until 2026-09-27 · Request RFQ for live stock.
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Specification Summary

Voltage - Rated
5 V
Voltage Range
30V (Max)
Current - Supply
1.5mA
Frequency
4.5kHz
Operating Temperature
-20°C ~ 90°C
Mounting Type
Panel Mount, Flange
Driver Circuitry
Transducer, Externally Driven
Height - Seated (Max)
0.205" (5.20mm)
Full specifications are listed below. Need alternates or BOM matching? Read BOM guide · Request a quote
Stock status: Sourcing — Lead time quoted on request (often 3–15 business days by channel)
Shortage / allocation / EOL lines may need longer — ask via RFQ.
Reference price and stock shown as of 2026-09-20. Confirm live availability and unit price via RFQ before placing a PO.
Lead time FAQ Authenticity FAQ MOQ FAQ
Specifications
Product Description
Purchase & Inquiry
Driver Circuitry
Transducer, Externally Driven
Operating Mode
Single Tone
Duration
-
Sound Pressure Level (SPL)
90dB @ 5V, 10cm
Approval Agency
-
Mounting Type
Panel Mount, Flange
Port Location
Top
Voltage Range
30V (Max)
Operating Temperature
-20°C ~ 90°C
Size / Dimension
1.181" Dia (30.00mm)
Voltage - Rated
5 V
Current - Supply
1.5mA
Frequency
4.5kHz
Height - Seated (Max)
0.205" (5.20mm)
Ingress Protection
-
Input Type
Peak-Peak Signal
Ratings
-
Technology
Piezo
Termination
Wire Leads
BUZZER PIEZO 5V 30MM FLANGE
Brand Introduction
Headquartered in a 22,000 square foot facility in Indianapolis, Indiana, Mallory Sonalert Products, Inc. is a leader in the manufacture and development of Sonalert® electronic audible signal products. The company has made its trademarked Sonalert line for over thirty years. In addition to Sonalert products, Mallory also distributes a full range of audible signal devices including transducers, indicators, sirens, buzzers and related hardware to a broad range of customers in industrial, military and consumer electronic markets.
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Buying FAQ — PT-2745WQ

Answer-first notes for stock, authenticity, lead time and quoting. Marked up as FAQPage.

How do I buy PT-2745WQ from Yingxinyuan?

Open RFQ with quantity and target date, or upload a BOM that includes PT-2745WQ. We reply with stock, channel note, reference price and ETA.

Is the listed price final?

Prices on the product page are reference only. Confirm unit price, currency and validity via RFQ before placing a PO.

How fresh is the stock figure?

Stock and reference price show an as-of date on the page. Ask for a live confirm — allocation lines can change daily.

How do you source authentic parts?

We source from manufacturers, franchised distributors and verified independents, then inspect incoming lots. See /anti-counterfeit/.

What is a typical lead time?

In-stock lines often ship within 24–48 hours after confirmation. Sourcing / allocation ETAs are quoted per line — see /lead-time-shipping/.
BOM matching · Anti-counterfeit · Lead time & shipping

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