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Piezo Electric Buzzer

PK-27N29EP-110DDQ

(RoHS) DATE:2017.06.26

1﹒Electrical Characteristics VER .:6

2﹒Dimensions and Material

2-1 Shape

2-2 Material

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.

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 +80℃ environment, 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 1,000 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>60pcs per box , Total 10 boxes per carton , total 600pcs per carton;

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

<2>N﹒W﹒：16.8KGS. G﹒W﹒：18.8KGS

<3>RoHS Mark

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