Data Sheet

Specification of Piezoelectric Buzzer

1. Scope

This specification is applied to the piezoelectric buzzer, which are used for

alarm systems.

2. Item No.: LF-PB43P28A

3. Ratings

* Operating Temperature Range: - 20 C ~ + 60C

* Storage Temperature Range: - 30 C ~ + 70C

* Operating Voltage: 4.0 to 28.0 VDC

* Case material: ABS

4. Outline Drawing and Dimensions

* Appearance: No visible damage and dirt

* Dimensions: as per Fig. 1

5. Electrical Requirements

Items Specifications Test Conditions

5-1. Sound Pressure Level

95 dB min.

Continuous Tone

Input Voltage: 9.0V DC

Distance: 10 cm

*As per Fig. 2

5-2. Oscillating Frequency 2.8 ± 0.5KHz

5-3 Current Consumption 6mA max. at 9.0V DC

* Electrical Requirements should be specified at room temperature and humidity.

(Ref. Temperature: 25  3C, Humidity: 60  10% RH)

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Specification of Piezoelectric Buzzer 1. Scope This specification is applied to the piezoelectric buzzer, which are used for alarm systems. 2. Item No.: LF-PB43P28A 3. Ratings * Operating Temperature Range: * Storage Temperature Range: * Operating Voltage: * Case material: - 20 C ~ + 60C - 30 C ~ + 70C 4.0 to 28.0 VDC ABS 4. Outline Drawing and Dimensions * * 5. * Appearance: No visible damage and dirt Dimensions: as per Fig.
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6. Physical Characteristics Test Item 6-1. 7. Vibration Test Conditions Performance Requirements Buzzer shall be measured after being applied vibration of amplitude of 1.5 mm with 10 to 55 Hz band of vibration The measured values shall frequency to each three mutually meet Table 1. perpendicular directions for 2 hours. Environmental Characteristics Test Items Test Conditions After being placed in a chamber with +70  3C for 48 hours and then being High 7-1.
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8. Others 8-1. This specification mentions the quality of the component as a single unit. Please insure the component is thoroughly evaluated in your application circuit. 8-2. Please do not use this component in any application that deviates from its intended use as noted within the specification. It may cause any mishaps. 9. Sound pressure level and Current consumption vs. DC Voltage: Dimensions Unit: mm ± 0.5 Fig. 1 Test Circuit Fig. 2 FM0761A 版本 V1.