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Part No: CEP-2250 Description: piezo audio indicator
Date: 9/22/2006 Unit: mm Page No: 1 of 4
Specifications
Resonant frequency Operating voltage Current consumption Sound pressure level Rated Voltage Tone Operating tempurature Storage tempurature Dimensions Weight Material Terminal RoHS 3.5 0.5 KHz 3.0 ~ 28.0 V dc 6 mA max. 85 db min. 12 V dc Continuous -30 ~ +85 C -40 ~ +95 C o28.0 x H25.4 mm 9.5 g max. ABS UL-94 1/16" HB High Wire type yes at 12 V dc at 30 cm / 12 V dc
See attached drawing Heat (Black) See attached drawing
Appearance Drawing
Tolerance: 0.5
Phone: 800.275.4899
Fax: 503.612.2381
www.cui.com
20050 SW 112th Ave.
Tualatin, OR 97062
Part No: CEP-2250 Description: piezo audio indicator
Date: 9/22/2006 Unit: mm Page No: 2 of 4
Measurement Method
S.P.L. Measuring Circuit Mic: RION S.P.L. meter UC 30 or equivalent S.G.: Hewlett Packard 33120A Function Generator or equivalent
Mechanical Characteristics
Item Solderability (Connector Excepted) Lead Wire Pull Strength 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 +270 5C for 3 0.5 seconds. (Except the edge of the terminal) The pull force should be applied to double lead No damage or cutting off. wire: Horizontal 3.0N (0.306kg) for 30 seconds Vertical 2.0N (0.204kg) for 30 seconds The value of oscillation The buzzer will 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. The part will be dropped from a height of 75 cm be within 10dB compared with the initial measurement. onto a 40 mm thick wooden board 3 times in 3 axis (X, Y, Z) for a total of 9 drops.
Vibration
Drop Test
Phone: 800.275.4899
Fax: 503.612.2381
www.cui.com
20050 SW 112th Ave.
Tualatin, OR 97062
Part No: CEP-2250 Description: piezo audio indicator
Date: 9/22/2006 Unit: mm Page No: 3 of 4
Environment Test
Item High temp. test Low temp. test Humidity test Temp. cycle test Test Condition After being placed in a chamber at +95C for 240 hours. After being placed in a chamber at -40C for 240 hours. After being placed in a chamber at +40C and 905% 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 +25C for 4 hours. The value of the oscillation frequency/current consumption should be within 10% compared to the initial measurements. The SPL should be within 10dB compared to the initial measurements.
Reliability Test
Item Operating (Life Test) Test Condition 1. Continuous life test: The part will be subjected to 48 hours of continuous operation at +70C 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 (+252C) with rated voltage applied. Evaluation Standard The buzzer will be measured after being placed at +25C for 4 hours. The value of the oscillation frequency/current consumption should be 10% compared to the initial measurements. The SPL should be 10dB compared to the initial measurements.
Test Conditions
Standard Test Condition Judgement Test Condition a) Tempurature: +5 ~ +35C a) Tempurature: +25 2C 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
Part No: CEP-2250 Description: piezo audio indicator
Date: 9/22/2006 Unit: mm Page No: 4 of 4
Packaging
Phone: 800.275.4899
Fax: 503.612.2381
www.cui.com
20050 SW 112th Ave.
Tualatin, OR 97062

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