Date: 6/25/2007
Part No: CEP-1172
Unit: mm
Description: piezo audio transducer
Page No: 1 of 4
Specifications
Resonant frequency
Operating voltage
Current consumption
Sound pressure level
Rated voltage
Operating temperature
Storage temperature
Dimensions
Weight
Material
Terminal
RoHS
3.3 KHz ± 0.5
3 ~ 28 V dc
7 mA max.
at 12 V dc
81 db min.
at 30 cm / 12 V dc
12 V dc
-30 ~ +85° C
-40 ~ +95° C
ø31.4 x H16.0 mm
6.7 g max.
ABS UL-94 1/16” HB (Black)
PIN type
no
Appearance Drawing
Tolerance: ±0.5
red wire
---M
blue wire ---F
black wire ---G
Phone: 800.275.4899
Fax: 503.612.2381
www.cui.com
20050 SW 112th Ave.
Tualatin, OR 97062
Date: 6/25/2007
Part No: CEP-1172
Unit: mm
Description: piezo audio transducer
Page No: 2 of 4
Measurement Method
M = Red wire
F = Blue wire
G = Black wire
Phone: 800.275.4899
Fax: 503.612.2381
www.cui.com
20050 SW 112th Ave.
Tualatin, OR 97062
Date: 6/25/2007
Part No: CEP-1172
Unit: mm
Description: piezo audio transducer
Page No: 3 of 4
Mechanical Characteristics
Item
Solderability
Soldering Heat Resistance
Terminal Mechanical Strength
Vibration
Drop Test
Evaluation Standard
Test Condition
90% min. of the stripped wires
Stripped wires of lead wires are immersed in
will be wet with solder.
rosin for 5 seconds and then immersed in
a solder bath of +230 ±5°C for 3 ±0.5 seconds. (Except the edge of the terminal)
Lead terminals are immersed up to 1.5mm from
No interference in operation.
insulation in solder bath of 300 ±5°C or
260 ±5°C for 10 ±1 seconds.
The force of 9.8N is applied to each terminal in No damage or cutting off.
each axial direction for 10 seconds.
The value of oscillation
The buzzer shall be measured after applying
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.
Environment Test
Item
High temp. test
Low temp. test
Humidity test
Temp. cycle test
Phone: 800.275.4899
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:
Fax: 503.612.2381
www.cui.com
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.
20050 SW 112th Ave.
Tualatin, OR 97062
Date: 6/25/2007
Part No: CEP-1172
Unit: mm
Description: piezo audio transducer
Page No: 4 of 4
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
Measurement Method
Phone: 800.275.4899
Fax: 503.612.2381
www.cui.com
20050 SW 112th Ave.
Tualatin, OR 97062
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