Phone: 800.275.4899

Fax: 503.612.2381

www.cui.com

20050 SW 112th Ave.

Tualatin, OR 97062

Part No: CSQ-706BS

Description: magnetic buzzer

Date: 10/04/2006

Unit: mm

Page No: 4 of 5

Reliability Test

Item

Test Condition

Operating (Life Test)

1. Ordinary temperature:

The part will be subjected to 1000 hours at

room temperature (+25±10°C) with 3.0 V,

2000 Hz applied.

2. High temperature:

The part will be subjected to 500 hours at

+60°C with 3.0 V, 2000 Hz applied.

3. Low temperature:

The part will be subjected to 500 hours at

-20°C with 3.0 V, 2000 Hz applied.

Evaluation Standard

After the test, the part shall meet

specifications without any

damage to the appearance or

performance. After 4 hours at

+25°C, the SPL should be

77 dBA or more.

Test Conditions

Standard Test Condition

a) Tempurature: +5 ~ +35°C

b) Humidity: 45 - 85%

c) Pressure: 860 - 1060 mbar

Judgement Test Condition

a) Tempurature: +25±2°C

b) Humidity: 60 - 70%

c) Pressure: 860 - 1060 mbar

Environment Test

Item

Test Condition

High temp. test

The part will be subjected to +70°C for

96 hours.

Low temp. test

The part will be subjected to -30°C for

96 hours

Thermal shock

The part will be subjected to 10 cycles. One

cycle will consist of:

Temp./Humidity cycle

The part should be subjected to 10 cycles. One

cycle will last for 24 hours and consist of:

Evaluation Standard

The buzzer will be measured after

being placed at +25°C for 4

hours. There should be no

degredation to the appearance or

performance. The SPL should

be 77dBA or more