For more information, please visit the product page. Date: 9/22/2006 Part No: CEP-2250 Unit: mm Description: piezo audio indicator 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 ø28.0 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 For more information, please visit the product page. Date: 9/22/2006 Part No: CEP-2250 Unit: mm Description: piezo audio indicator 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 Vibration Drop Test Phone: 800.275.4899 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 ±5°C 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. Fax: 503.612.2381 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 For more information, please visit the product page. Date: 9/22/2006 Part No: CEP-2250 Unit: mm Description: piezo audio indicator 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 +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 Test Condition 1. Continuous life test: The part will be subjected to 48 hours of continuous operation at +70°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 ±10dB compared to the initial measurements. The buzzer will be measured after being placed at +25°C 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) 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. 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. Date: 9/22/2006 Part No: CEP-2250 Unit: mm Description: piezo audio indicator Page No: 4 of 4 Packaging Phone: 800.275.4899 Fax: 503.612.2381 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062