What are the key specifications of the HNB09A05?

It features a 3-7V operating voltage, 2700Hz resonant frequency, and a minimum sound output of 85dB at 10cm.

What should engineers review before using the HNB09A05?

Ensure the buzzer is not exposed to corrosive gases, moisture, or excessive voltage. The sound hole must remain unobstructed for proper operation.

Is the HNB09A05 waterproof?

No, it is an open-design buzzer and does not meet requirements for waterproofing or protection against glue leakage.

What should sourcing teams check before buying HNB09A05?

Check lifecycle (Active), compliance data, distributor availability, and approved-source coverage. Current sourcing signal: Low; readiness: easy.

What is the pinout of HNB09A05?

Use the HNB09A05 datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about HNB09A05 pinout to locate pins, power rails, and interface signals before layout.

HNB09A05 Datasheet, Specs, Alternatives & ECAD | Ningbo Songle Relay Co., Ltd.

AI summary

The HNB09A05 is a 5V electromagnetic active buzzer suitable for general-purpose audible signaling in electronic devices.

Best for

General audible alerts
Electronic signaling

Avoid if

Outdoor environments
High-moisture applications
Corrosive environments

Check before use

Voltage stability
Sound hole clearance

Key specifications

Rated Voltage: 5 VDC
Sound Output: ≥85 dB
Frequency: 2700 Hz
Current: ≤30 mA

Compliance & Environment

RoHS: -
REACH: -
MSL: -
ECCN: -
HTSUS: -

Application

General

Datasheet

0a2dc6448127b1678f61bb30416d51f2.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for HNB09A05: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol

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PCB Footprint

Land pattern for PCB layout

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3D Model

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KiCad Library

Verified KiCad 8 symbol, footprint, and 3D model

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Alternative components

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

Design and risk insights

Questions & answers

The HNB09A05 is an electromagnetic active buzzer manufactured by Jiangsu Huawha Electronics, designed for 5V DC operation.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Alternative components

Design and risk insights

Questions & answers

What is the HNB09A05?+×

What are the key specifications of the HNB09A05?+×

What should engineers review before using the HNB09A05?+×

Is the HNB09A05 waterproof?+×

What should sourcing teams check before buying HNB09A05?+×

What is the pinout of HNB09A05?+×