42*18mm Active Piezo Buzzer 12V

42*18 mm 12v, Max.100 mA, 2900hz, Active piezo buzzer continuous sound, single tone, beep sound, With a frequency of 2900Hz, this buzzer produces a clear and audible sound, ensuring effective alerting and notification in various environments.

The GJ-P4218 Active Piezo Buzzr is Low power consumption and highly sensitive Buzzer

The GJ-P4218 Active Piezo Buzzer is a reliable and efficient audio signaling device, engineered to deliver high-decibel sound with minimal power consumption. Operating at 12V, this buzzer is designed for ease of use, requiring no external oscillation circuit—simply connect it to a DC power source to produce a consistent and clear sound output

The GJ-P4218 Active Piezo Buzzer combines low power consumption with high sensitivity, delivering clear and loud sound for efficient audio signaling. Its compact design and reliable performance make it ideal for applications such as alarms, notifications, and alerts in consumer electronics, security systems, and industrial devices.

 

The GJ-P4218 Active Piezo Buzzer ideal for applications with space constraints.

With a compact size of 42mm diameter and 18mm height, The GJ-P4218 active piezo buzzer is ideal for applications with space constraints. It is widely used in a variety of industries, including home security systems, where it provides loud and clear alerts for alarms, and consumer electronics, where it serves as a notification device for appliances like washing machines and microwaves.

The buzzer is also suitable for automotive applications, such as reverse parking sensors and seatbelt warnings, as well as industrial equipment for machinery alerts and fault notifications. Its robust construction ensures durability, allowing it to perform reliably even in challenging conditions.

The simple two-wire connection makes integration straightforward for professionals and hobbyists alike. Whether for professional systems or DIY projects, the 42x18mm Active Piezo Buzzer (12V) is a versatile, high-performance choice for your audio signaling needs.

Specifications

Size42*18mm
Operating Voltage3~15 V
Rated Voltage12 V
Current ConsumptionMAX.100 mA
Sound Pressure LevelMIN. 90dB
Oscillation Frequency2900±500  HZ
Product nameActive Piezo Buzzer
operation temperature-20 ~ +60℃
Storage Temperature’-30~ +70℃
MaterialABS(Black)
Weight (MAX)15 g
ModelGJ-P4218

Features

The GJ-P4218 Active piezo buzzers are self-contained audio signaling devices that produce sound when powered, requiring no external circuitry to function. Here are the key features:

  • Compact size and lightweight
  • High SPL in a Small Package
  • -30°C to +70°C operating temperature range
  • Low Power Consumption
  • No external power supply
  • highly sensitive
  • widely applicable.0

Application

Our active piezo buzzer are specifically engineered for their compact size, low power requirements, and effective sound output.the GJ-P4218 Active piezo alarm electronic buzzer is commonly used in consumer electronics, small appliances, health monitoring devices, and various IoT applications. It’s also popular in devices that need simple audio feedback, like alarms, timers, and warning signals in compact form factorys

  • household appliances
  •  Diabetes Meters
  • Automotive Instrumentation
  • Fitness equipment alarms
  • Smart door lock doorbell
  • Electric toothbrush
  • Massage instrument
  • Smoke Alarms and so on

Mechanical Drawing

Active Piezo Buzzer 12V
4218 active piezo buzzer 12v
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