Contact hotline： 86-132-6715-2157
After-sales servicePlace an order onlineInquire about productslogin
login/RegisterDashboardorderMy Order0cartCart

Search productSearch post

ZT028LDFP1R30

Search Product
Search Post
Search
Search

— IC芯片 | 连接器 | 传感器 | 被动器件 —

ZT028LDFP1R30

ZT028LDFP1R30

$85.71
  • Description：BUZZER 30.74MM PNL MNT
  • Series：ZT
  • Mfr：Mallory Sonalert Products Inc.
  • Package：Bulk

SKU:05ab82bcbfad Category: Brand:

　　
  • Quantity
    • -
    • +
    • 　　　
ChipApex WhatsApp

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：chipapexlimited@gmail.com
Contact the product manager for consultation. One-stop consultation is available.


Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

*
*
*
*
Submitting!
Submission successful!
Submission failed!
Email error!
Phone number error!

Product Detailed Parameters

  • Description：BUZZER 30.74MM PNL MNT
  • Series：ZT
  • Mfr：Mallory Sonalert Products Inc.
  • Package：Bulk
  • Driver Circuitry：-
  • Input Type：DC
  • Frequency：3.9kHz
  • Technology：-
  • Operating Mode：Pulse, Fast
  • Duration：-
  • Sound Pressure Level (SPL)：85dB @ 20V, 61cm
  • Current - Supply：40mA
  • Port Location：Top
  • Operating Temperature：-30°C ~ 65°C
  • Approval Agency：cUL
  • Ratings：-
  • Ingress Protection：NEMA 3R, 4X, 12
  • Mounting Type：Panel Mount
  • Termination：Terminal Block
  • Height - Seated (Max)：1.710" (43.43mm)
  • Voltage - Rated：-
  • Voltage Range：20 ~ 28V
  • Size / Dimension：1.210" Dia (30.74mm)

Download product information

ZT028LDFP1R30

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.

Related recommended products

03-810.001

03-810.001

$104.69
DetailsAdd to cart
14-810.902

14-810.902

$83.45
DetailsAdd to cart
147PZ12450ILFPO-001

147PZ12450ILFPO-001

$0.92
DetailsAdd to cart
16PZ40340OLFPY-002

16PZ40340OLFPY-002

$1.15
DetailsAdd to cart
Buying Guide
Summary

Mallory Sonalert Products Inc. ZT028LDFP1R30 is sourced in Alarms, Buzzers, and Sirens category when teams want clear constraints and a repeatable validation path. Key specs include Description (BUZZER 30.74MM PNL MNT), Series (ZT), Packaging (Bulk), Supply (20 ~ 28V), and Temperature (-30°C ~ 65°C).

Selection Notes
  • For ZT028LDFP1R30, check the supply current (40mA) in your power budget and thermal plan.
  • Ensure the operating frequency (3.9kHz) meets your performance target with margin.
  • Validate the operating temperature range (-30°C ~ 65°C) for your environment and margin.
  • Double-check Operating Mode (Pulse, Fast) against your specification and operating conditions.
Alternates & Substitutions
  • For Alarms, Buzzers, and Sirens, validate alternates under worst-case corners rather than assuming typical-only conditions represent production builds.
  • Lock the mechanical constraints first (mounting Panel Mount, packaging Bulk) before comparing performance specs.
  • If you are qualifying a second source, align documentation/traceability requirements early to avoid surprises in procurement.
  • To speed up alternate matching, provide your must-have constraints (supply 20 ~ 28V, frequency 3.9kHz) and any compliance/traceability needs.
FAQ

Who is the manufacturer of ZT028LDFP1R30?
Mallory Sonalert Products Inc.

What Operating Mode is listed for ZT028LDFP1R30?
Pulse, Fast

Can you confirm the Ingress Protection for ZT028LDFP1R30?
NEMA 3R, 4X, 12

What Height - Seated (Max) does ZT028LDFP1R30 have?
1.710" (43.43mm)

Application Scenarios

Mallory Sonalert Products Inc. ZT028LDFP1R30 shows up under Alarms, Buzzers, and Sirens when designers want a well-bounded, datasheet-driven building block instead of a fragile board-level workaround. Engineers typically focus on SNR, frequency response, EMI immunity, and mechanical acoustics so performance holds in real rooms and enclosures. They support features such as voice triggering, beamforming, or loud alarm signaling where clarity matters. Across medical devices, audio and sensing paths are validated for predictable behavior in regulated workflows. Within smart home devices, audio and voice processing works near radios and switching supplies, so EMI immunity is crucial. Across portable equipment, efficient amplification improves battery life while keeping distortion low at peak loudness.

Compatibility Advice
  • With the final enclosure and cabling, 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.
  • Before freezing the BOM, 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
  • Most suitable when you can measure and verify Mallory Sonalert Products Inc. ZT028LDFP1R30 for Alarms, Buzzers, and Sirens integration in the final enclosure, typically when you can validate filtering, grounding, and startup behavior so artifacts are controlled in production builds.
ZT028LDFP1R30ZT028LDFP1R30
$85.71
Buy Now

The activity of extra discounts on wholesale prices is in full swing…

Please fill in your contact information and we will send you the latest wholesale price list.

name*
Phone number*
email
It's being submitted...
Submission successful!
Submission failed! Please try again later
Email error!
Phone error!