MODEL NUMBER

CUSTOMER

NUMBER

PRODUCT TYPE

REVISION

DATE

PAGE

ST-03BL-1

Magnetic Buzzer

A

2015-02-26

5/6

H. RELIABILITY TEST

NO.

ITEM

TEST CONDITION AND REQUIREMENT

1

High Temperature

Test (Storage)

being placed in normal condition for 2 hours.

2

Low Temperature

Test (Storage)

being placed in normal condition for 2 hours.

3

Humidity Test

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

4

Temperature Cycle

Test

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

5

Drop Test

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

at the height of 75cm .

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 .

7

Solderability

Test

Lead terminals are immersed in rosin for 5 seconds and then

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.

TEST CONDITION.

Standard Test Condition

: a) Temperature : +5 ~ +35℃

b) Humidity : 45-85%

c) Pressure :

860-1060mbar

a) +5 ~ +35℃

b) 45-85%

c) 860-1060mbar

Judgment Test Condition: a) Temperature : +25 ± 2℃

b) Humidity : 60-70%

c) Pressure : 860-1060mbar

a) +25 ± 2℃

b) 60-70%

c) 860-1060mbar

-

20ºC

+70ºC

+25ºC

+25ºC