automatic production smd buzzer 8503

NO.

ITEM

TESTING CONDITION

VARIANCE AFTER TEST

1

High temp. storage life

The part shall be capable of withstanding a storage temperature is +80℃ for 120 hours

After the test the part shall meet specifications without any degradation in appearance and performance except SPL shall be initial value±10dB or more.

2

Low temp. storage life

The part shall be capable of withstanding a storage temperature is -30℃ for 120 hours

3

Temp. Cycle

Total 5 cycles,

1 cycle consisting of -30±2℃, 30 minutes

20±5℃ 15 minutes

80±2℃,   30 minutes

20±5℃ 15 minutes

4

Humidity Test

30±2℃,90~95% RH, 120 hours

5

Vibration Test

The part shall be subjected to a vibration cycle is 10Hz in a period of 1 minute. Total peak amplitude shall be 1.52mm(9.3g).

The vibration test shall consist of 2 hours per plane in each three mutually perpendicular planes for a total time of 6 hours.

6

Shock

Sounder shall be measured after being applied shock (980m/s²) for each three mutually perpendicular directions to each of 3 times by half sine wave.

7

Drop Test

Dropped naturally from 700mm height onto the surface of 10mm thick wooden board. 2 directions-upper and side of the part are to be applied.

8

Lead pull

The part shall be pushed with a force of 9.8N for 10±1 seconds behind the part.

After the test part shall meet specifications without any degradation in appearance and performance.

9

Recommended temp. Profile for Reflow Oven

Shown in Fig.1

Warranty:For a period of one year from date of manufcture under normal operations.