Piezo Electric Buzzer

 PK-20A38EP-05VQ

(RoHS)                         DATE:2019.09.10

1Electrical Characteristics                                      VER .:4

Oscillation Frequency (KHz)

3.8 ±0.3

Operating Voltage (Vdc)

3 ~ 12

Rated Voltage (Vdc)

5

Current Consumption (mA/max.)

10at Rated Voltage

Sound Pressure Level (dB/min.)

95 at 30cm at Rated Voltage

Tone/Pulse Rate

Constant

Operating Temperature (℃)

-20 ~ +100

Storage Temperature (℃)

-30 ~ +110

Condition by wave (℃)

260±5℃ / within 5sec

Condition by hand (℃)

350±20℃ / within 5sec

蜂鸣器启动瞬间脉冲电流小于1.5A,持续时间小于10us;蜂鸣器正常工作时脉冲电流小于50mA持续时间小于15us,

频率为3.8±0.3KHz,测试过程中可能会出现倍频现象。

2Dimensions and Material

2-1 Shape

image.png

2-2 Material

 

Housing

PBT plastic resin (Color : Black)

Lead Pin

Tin Plated Brass

Weight (Gram)

4.8

 

 

3. TESTING METHOD

Standard Measurement conditions

Temperature:25±2  Humidity:45-60%

Acoustic Characteristics

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


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4. RELIABILITY

 

ITEMS

METHOD OF TEST AND MEASUREMENTS

PERFORMANCE

Coldness withstanding

After 98 hours of being exposed to -30 environment, should be returned to normal environment for 2 hours, then re-proceed to test.

No abnormality shall exist

Hotness withstanding

After 98 hours of being exposed to +110environment, should be returned to normal environment for 2 hours, then re-proceed to test.

No abnormality shall exist

Humidity

withstanding

After 98 hours of being exposed to 40 95%RH environment in actual operation, should be returned to normal environment for 2 hours, then re-proceed to test.

No abnormality shall exist

Durability

Testing after 98 hours actual continuous operation.(at standard measurement conditions)

No abnormality shall exist

Drop withstanding

A natural drop from 75cm high down to the ground.

No abnormality shall exist

Vibration

withstanding

 

Vibration of 2,000 cycles per minute, 2mm amplitude, applied in X, Y and Z directions for 30 minutes each.

No abnormality shall exist

 

5. PACKAGE METHOD

<1> 100pcs  per  box , Total 10 boxes  per  carton , total 1000pcsper carton;

Volume: L*W*H=520*335*290mm.

<2>NW4.8KGS GW﹒:6.8KGS

<3>RoHS Mark



联系我们

苏州景康电子有限公司

公司电话:0512-65852219/65637706

联系手机:13291199209 / 13771784741

公司地址:苏州市吴中区胥口镇时进路88号

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