NO.

ITEM

TEST CONDITION AND REQUIREMENT

1

High Temperature

Test (Storage)

After being placed in a chamber with 80ï2ºC for 96 hours and then

being placed in normal condition for 2 hours.

Allowable variation of SPL after test: ï10dB.

2

Low Temperature

Test (Storage)

After being Placed in a chamber with -30ï2ºC for 96 hours and then

being placed in normal condition for 2 hours.

Allowable variation of SPL after test: ï10dB.

3

Humidity Test

After being Placed in a chamber with 90-95% R.H. at 40ï2ºC for 96

hours and then being placed in normal condition for 2 hours.

Allowable variation of SPL after test: ï10dB.

4

Temperature Cycle

Test

The part shall be subjected to 5 cycles. One cycle shall be consist of：

Allowable variation of SPL after test: ï10dB.

5

Drop Test

Drop on a hard wood board of 4cm thick, any directions ,6 times,

at the height of 75cm .

Allowable variation of SPL after test: ï10dB.

6

Vibration Test

After being applied vibration of amplitude of 1.5mm with 10 to 55 Hz

band of vibration frequency to each of 3 perpendicular directions for

2 hours .

Allowable variation of SPL after test: ï10dB.

7

Solderability

Test

Lead terminals are immersed in rosin for 5 seconds and then

immersed in solder bath of +300ï5ºC for 3ï1 seconds .

90% min. lead terminals shall be wet with solder

(Except the edge of terminals).

8

Terminal Strength

Pulling Test

The force of 9.8N(1.0kg) is applied to each terminal in axial direction for

10 seconds.

No visible damage and cutting off.