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ZT028LDCTG

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ZT028LDCTG

ZT028LDCTG

$33.92
  • Description：BUZZER PIEZO 30.74MM PNL MNT
  • Series：ZT
  • Mfr：Mallory Sonalert Products Inc.
  • Package：Bulk

SKU:9ebddd2276f5 Category: Brand:

　　
  • Quantity
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Product Detailed Parameters

  • Description：BUZZER PIEZO 30.74MM PNL MNT
  • Series：ZT
  • Mfr：Mallory Sonalert Products Inc.
  • Package：Bulk
  • Driver Circuitry：Indicator, Internally Driven
  • Input Type：DC
  • Frequency：3.7kHz
  • Technology：Piezo, LED, Red
  • Operating Mode：Single Tone, Visual Indicator
  • Duration：-
  • Sound Pressure Level (SPL)：85dB @ 20V, 61cm
  • Current - Supply：40mA
  • Port Location：Top
  • Operating Temperature：-30°C ~ 65°C
  • Approval Agency：cUL, UL
  • Ratings：-
  • Ingress Protection：NEMA 3R, 4X, 12
  • Mounting Type：Panel Mount
  • Termination：Terminal Block
  • Height - Seated (Max)：2.234" (56.75mm)
  • Voltage - Rated：-
  • Voltage Range：20 ~ 28V
  • Size / Dimension：1.210" Dia (30.74mm)

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ZT028LDCTG

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.

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Buying Guide
Summary

Mallory Sonalert Products Inc. ZT028LDCTG is sourced in Alarms, Buzzers, and Sirens category when teams want clear constraints and a repeatable validation path. Key specs include Description (BUZZER PIEZO 30.74MM PNL MNT), Series (ZT), Packaging (Bulk), Supply (20 ~ 28V), and Temperature (-30°C ~ 65°C).

Selection Notes
  • For ZT028LDCTG, make sure Technology (Piezo, LED, Red) aligns with your design targets and verification plan.
  • Confirm the mounting type (Panel Mount) is suitable for your production flow and reliability target.
  • Check the supply current (40mA) in your power budget and thermal plan.
  • Ensure the operating frequency (3.7kHz) meets your performance target with margin.
Alternates & Substitutions
  • For Alarms, Buzzers, and Sirens substitutions, lock footprint/pinout and operating envelope first, then verify the critical performance conditions on your hardware.
  • Validate the min/max operating conditions (supply 20 ~ 28V, temperature -30°C ~ 65°C) and keep headroom for worst-case corners.
  • When in doubt, treat the swap as an ECO: define acceptance criteria, then validate under worst-case operating corners.
  • For faster alternate proposals, share the constraints you cannot change (supply 20 ~ 28V, frequency 3.7kHz) and your acceptable trade-offs.
FAQ

How do I confirm compatibility for ZT028LDCTG?
Match mechanical footprint first, then verify electrical limits and operating conditions against your system constraints.

What operating frequency does ZT028LDCTG run at?
3.7kHz

What is the Sound Pressure Level (SPL) of ZT028LDCTG?
85dB @ 20V, 61cm

What Approval Agency does ZT028LDCTG have?
cUL, UL

Application Scenarios

In practice, the question for Mallory Sonalert Products Inc. ZT028LDCTG in Alarms, Buzzers, and Sirens is whether it stays inside the electrical/thermal envelope while remaining easy to validate and support. They support features such as voice triggering, beamforming, or loud alarm signaling where clarity matters. Good audio building blocks reduce tuning effort and deliver consistent user experience across production units. In consumer audio products, consistent gain and noise behavior protect user experience across high-volume builds. Within kiosks and public terminals, robust audio signaling improves accessibility in high-ambient-noise environments. In conferencing systems, microphone front ends support far-field voice pickup in reverberant rooms with HVAC noise and echo.

Compatibility Advice
  • In board-level integration, validate noise, bandwidth, and distortion under the real load and supply rails so performance is not dependent on lab-only conditions. This reduces the chance that substitutions push hidden limits.
  • In practice, validate noise, bandwidth, and distortion under the real load and supply rails so performance is not dependent on lab-only conditions. This keeps acceptance criteria measurable and repeatable.
Project Fit
  • Works best when you can verify Mallory Sonalert Products Inc. ZT028LDCTG for Alarms, Buzzers, and Sirens integration with the real wiring and cabling, if you can validate filtering, grounding, and startup behavior so artifacts are controlled in production builds.
ZT028LDCTGZT028LDCTG
$33.92
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