Datasheet

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Part No: CEM-1203(42)
Date: 8/11/2006
Unit: mm
Description: magnetic buzzer
Page No: 1 of 5
Specifications
Rated voltage
3.5 Vo-p
Operating voltage
Mean current
3.0 - 5.0 Vo-p
35 mA max.
Coil resistance
Sound output
42 ±6.3 Ω
Min. 85 (Typical 95) dBA
Rated frequency
Operating temperature
Storage temperature
Dimensions
Weight
Material
Terminal
RoHS
2,048 Hz
-20 ~ +60° C
-30 ~ +70° C
ø12.0 x H8.5 mm
1.4 g
PPO (Black)
Pin type (AU Plating)
yes
Applying rated voltage, 2048 Hz
square wave, ½ duty
Distance at 10cm (A-weight free air).
Applying rated voltage of 2048 Hz, square
wave, 1/2 duty.
See attached drawing
See attached drawing
Frequency Response Curve
Phone: 800.275.4899
Fax: 503.612.2381
www.cui.com
20050 SW 112th Ave.
Tualatin, OR 97062
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Part No: CEM-1203(42)
Date: 8/11/2006
Unit: mm
Description: magnetic buzzer
Page No: 2 of 5
Appearance Drawing
Tolerance: ±0.5
Measurement Method
Phone: 800.275.4899
Fax: 503.612.2381
www.cui.com
20050 SW 112th Ave.
Tualatin, OR 97062
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Mechanical Characteristics
Item
Solderability 1
Soldering Heat Resistance
Terminal Mechanical Strength
Vibration
Drop Test
Notes:
Part No: CEM-1203(42)
Date: 8/11/2006
Description: magnetic buzzer
Page No: 3 of 5
Unit: mm
Evaluation Standard
Test Condition
90% min. of lead terminals
Lead terminals are immersed in rosin for 5
should be wet with solder.
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 in interference in operation.
the buzzer’s body in solder bath of 260 ±5°C
for 3 ±1 seconds.
Apply force of 9.8 N (1.0 kg) to each terminal in No damage or cutting off.
each axial direction for 10 seconds.
After the test, the part shall meet
The buzzer will be measured after applying
specifications without any
a vibration amplitude of 1.5 mm with 10 to 55
Hz band of vibration frequency to each of the 3 damage to the appearance. After
4 hours at +25°C, the SPL
perpendicular directions for 2 hours.
should be within ±10 dBA of the
The part is to be dropped from a height of
initial SPL.
75 cm onto a 40 mm thick wooden board 3
times in 3 axis (X, Y, Z) for a total of 9 drops.
1. Not recommended for wave soldering
Environment Test
Item
High temp. test
Low temp. test
Thermal shock
Temp./Humidity cycle
Phone: 800.275.4899
Test Condition
The part will be subjected to +70°C for
96 hours.
The part will be subjected to -30°C for
96 hours
The part will be subjected to 10 cycles. One
cycle will consist of:
The part shall be subjected to 10 cycles. One
cycle will consist of:
Fax: 503.612.2381
www.cui.com
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.
20050 SW 112th Ave.
Tualatin, OR 97062
For more information, please visit the product page.
Date: 8/11/2006
Part No: CEM-1203(42)
Unit: mm
Description: magnetic buzzer
Page No: 4 of 5
Reliability Tests
Item
Operating (Life Test)
Test Condition
1. Continous life test:
The part will be subjected to 72 hours at 45°C
with 3.5 V, 2048 Hz applied.
Evaluation Standard
2. Intermittent life test:
A duty cycle of 1 minute on, 1 mintue off, a
minimum of 10,000 times at room temp.
(25±10°C) with 3.5 V, 2048 Hz applied.
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
Judgement Test Condition
Phone: 800.275.4899
a) Tempurature: +5 ~ +35°C
a) Tempurature: +25±2°C
Fax: 503.612.2381
b) Humidity: 45 - 85%
b) Humidity: 60 - 70%
www.cui.com
c) Pressure: 860 - 1060 mbar
c) Pressure: 860 - 1060 mbar
20050 SW 112th Ave.
Tualatin, OR 97062
For more information, please visit the product page.
Part No: CEM-1203(42)
Date: 8/11/2006
Unit: mm
Description: magnetic buzzer
Page No: 5 of 5
Packaging
Phone: 800.275.4899
Fax: 503.612.2381
www.cui.com
20050 SW 112th Ave.
Tualatin, OR 97062
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