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7BB-20-3 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

7BB-20-3 product

7BB-20-3

Buzzers

PiezoelectricAudioMurata

The 7BB-20-3 is a 20mm piezoelectric diaphragm from Murata, designed for clear, reliable sound generation in consumer and industrial devices.

Best for

  • Consumer electronics
  • Industrial alarms
  • Digital cameras

Avoid if

  • High-vibration environments without proper mounting
  • Applications requiring integrated drive circuitry

Check before use

  • Resonance frequency matching
  • Mounting method

Key specifications

Resonance Frequency
3.6 kHz
Capacitance
20 nF
Diameter
20 mm

Compliance & Environment

RoHS
Y
REACH
Y
MSL
-
ECCN
EAR99
HTSUS
8531809041.0

Application

Consumer ElectronicsIndustrial Equipment

Datasheet

Murata-company-16.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 7BB-20-3: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a leadless piezoelectric diaphragm (piezo bender) with a 20mm brass plate, used as an audio indicator.