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DCK4020F-1228

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驅動電壓:有源    發聲原理:壓電式    電極引方式:插針式

產品概述

A. SCOPE

    This specification applies Piezo buzzer, DCK4020F-1228

  

B. SPECIFICATION

No.

Item

Unit

Specification

Condition

1

Oscillation Frequency

KHz

2.8±0.5

 

2

Operating Voltage

VDC

3 ~20

 

3

Rated Voltage

VDC

12

 

4

Current Consumption

mA

MAX. 60

at Rated Voltage

5

Sound Pressure Level

dB

MIN. 105

at 60cm at Rated Voltage

6

Tone

 

Constant

 

7

Operating Temperature

-20~ +70

 

8

Storage Temperature

-30 ~ +80

 

9

Dimension

mm

Φ40 x H20

See appearance drawing

10

Weight (MAX)

gram

13.0

 

11

Housing Material

 

ABS( Black )

 

12

Leading Pin

 

 Tin Plated Brass(Sn)

See appearance drawing

13

Environmental 

Protection Regulation

 

 RoHS

 

 

C. APPEARANCE DRAWING 


Tol : ± 0.5      Unit: mm


 

D.TESTING METHOD   

Standard Measurement conditions

Temperature:25±2℃  Humidity:45-65%

 

Acoustic Characteristics:

The oscillation frequency, current consumption and sound pressure are measured by the measuring instruments shown below

In the measuring test, buzzer is placed as follows:

E. VOLTAGE / CURRENT / SOUND PRESSURE CHARACTERISTICS


 

F. RELIABILITY TEST

 

TEST CONDITION.

Standard Test Condition        :      a) Temperature : +5 ~ +35℃  b) Humidity : 45-85% c) Pressure : 860-1060mbar

Judgment Test Condition              :      a) Temperature : +25 ± 2℃   b) Humidity : 60-70% c) Pressure : 860-1060mbar

 

G. PACKING STANDARD

 

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