For more information, please visit the
product page.
Part No: CEM-1201(50)
Description: magnetic buzzer
Date: 8/11/2006
Unit: mm
Page No: 1 of 5
Specifications
Rated voltage
Operating voltage
Mean current
Coil resistance
Sound output
1.5 Vo-p
1.0 - 2.0 Vo-p
20 mA max.
50 ±7.5
Ω
Min. 80 (Typical 87) dBA
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.
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
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
For more information, please visit the
product page.
Part No: CEM-1201(50)
Description: magnetic buzzer
Date: 8/11/2006
Unit: mm
Page No: 3 of 5
Item
Solderability
1
Mechanical Characteristics
Soldering Heat Resistance
Terminal Mechanical Strength
Vibration
Drop Test
Evaluation Standard
Test Condition
90% surface 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
No damage or cutting off.
3 ±1 seconds.
Apply force of 9.8 N (1.0 kg) in each axial
direction for 10 seconds.
After the test, the part should
The buzzer will be measured after applying
a vibration amplitude of 1.52 mm (9.3G) with 10 meet specifications without any
to 55 Hz band of vibration frequency to each of damage to the appearance and
the SPL should be within ±10dBA
the 3 perpendicular directions for 2 hours.
when compared to the initial SPL.
The part is to be dropped from a height of
75 cm onto a 40 mm thick wooden board 3
times in 3 axis (X, Y, Z) for a total of 9 drops.
Notes:
1. Not recommended for wave soldering
Item
High temp. test
Low temp. test
Thermal shock
Environment Test
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:
Evaluation Standard
Temp./Humidity cycle
The part shall be subjected to 10 cycles. One
cycle will consist of:
After the test, the part should
meet specifications without any
damage to the appearance and
the SPL should be within ±10dBA
when compared to the initial SPL.
Phone: 800.275.4899
Fax: 503.612.2381
www.cui.com
20050 SW 112th Ave.
Tualatin, OR 97062
For more information, please visit the
product page.
Part No: CEM-1201(50)
Description: magnetic buzzer
Date: 8/11/2006
Unit: mm
Page No: 4 of 5
Mechanical Characteristics
Item
Operating (Life Test)
Test Condition
1. Continuous life test:
The part will be subjected to 72 hours at 45°C
with 1.5 V, 2048 Hz applied.
2. Intermittent life test:
A dut cycle of 1 minute on, 1 minute off, a
minimum of 10,000 times at room temperature
(25 ±10°C) with 1.5 V, 2048 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
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
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