Part No: CEP-1109
Description: piezo audio transducer
Date: 9/22/2006
Unit: mm
Page No: 3 of 5
Mechanical Characteristics
Item
Solderability
Evaluation Standard
Test Condition
90% min. of the lead terminals
Lead terminals are immersed in rosin for
will be wet with solder.
5 seconds and then immersed in solder bath
(Except the edge of the terminal)
of 270 ±5°C for 3 ±1 seconds.
Lead terminals are immersed up to 1.5mm from
No interference in operation.
buzzer’s body in solder bath of 300 ±5°C for
3 ±0.5 or 260 ±5°C for 10 ±1 seconds.
No damage or cutting off.
For 10 seconds, the force of 9.8N (1.0kg) is
applied to each terminal in axial direction.
The buzzer should be measured after applying The value of oscillation
frequency/current consumption
a vibration amplitude of 1.5 mm with 10 to
should be ±10% of the initial
55 Hz band of vibration frequency to each of
measurements. The SPL should
the 3 perpendicular directions for 2 hours.
be within ±10dB compared with
The part will be dropped from a height of
the initial measurement.
75 cm onto a 40 mm thick wooden board 3
times in 3 axes (X, Y, Z) for a total of 9 drops.
Soldering Heat Resistance
Terminal Mechanical Strength
Vibration
Drop Test
Environment Test
Item
High temp. test
Low temp. test
Humidity test
Temp. cycle test
Test Condition
After being placed in a chamber at +95°C for
240 hours.
After being placed in a chamber at -40°C for
240 hours.
After being placed in a chamber at +40°C and
90±5% relative humidity for 240 hours.
The part shall be subjected to 5 cycles. One
cycle will consist of:
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.
Phone: 800.275.4899
Fax: 503.612.2381
www.cui.com
20050 SW 112th Ave.
Tualatin, OR 97062
Part No: CEP-1109
Description: piezo audio transducer
Date: 9/22/2006
Unit: mm
Page No: 4 of 5
Reliability Test
Item
Operating (Life Test)
Test Condition
1. Continuous life test:
The part will be subjected to 48 hours of
continuous operation at +70°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
Judgement Test Condition
a) Tempurature: +5 ~ +35°C
a) Tempurature: +25 ±2°C
b) Humidity: 45 - 85%
b) Humidity: 60 - 70%
c) Pressure: 860-1060 mbar
c) Pressure: 860-1060 mbar
Phone: 800.275.4899
Fax: 503.612.2381
www.cui.com
20050 SW 112th Ave.
Tualatin, OR 97062
京公网安备 11010802033920号
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