Part No: CEP-1160

Description: piezo audio transducer

Phone: 800.275.4899

Fax: 503.612.2381

www.cui.com

20050 SW 112th Ave.

Tualatin, OR 97062

Date: 9/22/2006

Unit: mm

Page No: 4 of 4

Reliability Test

Item

Test Condition

Operating (Life Test)

1. Continuous life test:

The part will be subjected to 250 hours of

continuous operation at +45°C with rated

voltage applied.

2. Intermittent life test:

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

minimum of 5,000 times at room temp

(+25 ±2°C) with rated voltage applied.

Evaluation Standard

The buzzer will be measured after

being placed at +25°C for 4

hours. The value of the

oscillation frequency/current

consumption should be ±10%

compared to the initial

measurements. The SPL should

be within ±10dB compared to

the initial measurements.

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

Packaging

Each minimum unit will be individually packaged and be placed ina carton box. The box will be clearly marked with Part

Number, Quantity, and Outgoing Inspection Number. There will be no mechanical damage on products during

transportation and/or in storage.