Phone: 800.275.4899

Fax: 503.612.2381

www.cui.com

20050 SW 112th Ave.

Tualatin, OR 97062

Part No: CSS-I4B20

Description: magnetic buzzer

Date: 11/13/2006

Unit: mm

Page No: 4 of 5

Mechanical Characteristics

Item

Test Condition

Operating (Life Test)

1. Continuous life test:

The part will be subjected to 72 hours at +55°C

with 3.6 V, 2730 Hz applied.

2. Intermittent life test:

A duty cycle of 1 minute on, 1 minute off, a

minimum of 10,000 times at room temp

(+25±10°C) with 3.6 V, 2730 Hz applied.

Evaluation Standard

After the test, the part shall meet

specifications without any

damage to the appearance. After

4 hours at +25°C, the SPL

should be within ±10 dBA of the

initial SPL.

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

Recommended Temperature Profile for Reflow Oven