ZT028LDCTR

ZT028LDCTR

$35.42
  • Description:BUZZER PIEZO 30.74MM PNL MNT
  • Series:ZT
  • Mfr:Mallory Sonalert Products Inc.
  • Package:Bulk

SKU:db97821ba4ee 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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ZT028LDCTR

Buying Guide
Summary

Mallory Sonalert Products Inc. ZT028LDCTR is a component in Alarms, Buzzers, and Sirens category typically evaluated for fit, operating limits, and supportability in production. 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 ZT028LDCTR, make sure the operating frequency (3.7kHz) fits your system clock and timing margins.
  • Verify the operating temperature range (-30°C ~ 65°C) and derate as needed in your application.
  • Validate Technology (Piezo, LED, Red) under the expected test conditions in your application.
Alternates & Substitutions
  • In Alarms, Buzzers, and Sirens, confirm that alternates preserve startup states and fault behavior so system behavior does not change quietly.
  • Always compare the datasheet test conditions behind key specs (load, frequency, temperature) to avoid swapping in a part that was characterized differently.
  • Then confirm the operating envelope (supply 20 ~ 28V, temperature -30°C ~ 65°C) with margin for transients and derating.
  • Confirm compliance/qualification needs (for example RoHS/REACH or grade) before approving a second source for production.
FAQ

What details help you quote ZT028LDCTR quickly?
Share the part number (ZT028LDCTR), quantity, target delivery date, and any packaging or documentation requirements.

Which Technology is specified for ZT028LDCTR?
Piezo, LED, Red

Can you confirm the packaging for ZT028LDCTR?
Bulk

Can you confirm the Sound Pressure Level (SPL) for ZT028LDCTR?
85dB @ 20V, 61cm

Application Scenarios

When Mallory Sonalert Products Inc. ZT028LDCTR is used in Alarms, Buzzers, and Sirens designs, teams typically start by confirming interfaces, supply rails, operating envelope, and qualification expectations. In real deployments, 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. At that point, a small set of targeted tests often reveals whether the design is robust or just looks good under typical bench conditions. Across consumer audio products, consistent gain and noise behavior protect user experience across high-volume builds. Across portable equipment, efficient amplification improves battery life while keeping distortion low at peak loudness. In kiosks and public terminals, robust audio signaling improves accessibility in high-ambient-noise environments. When the design is testable, it is also easier to support, troubleshoot, and evolve.

Compatibility Advice
  • In practice, confirm pop/click, mute, and startup sequencing behavior so user-facing artifacts are controlled at power transitions with the real source, load, and wiring.
  • In practice, check filtering, gain structure, and grounding so hum and coupling do not dominate in the final enclosure and cabling on the assembled PCB.
Project Fit
  • Best fit for Alarms, Buzzers, and Sirens when you can validate noise, THD, filtering, and grounding under the real load and enclosure conditions.
ZT028LDCTRZT028LDCTR
$35.42
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