Date: 2/06/2007 Part No: CEP-4411AC Unit: mm Description: piezo audio indicator Page No: 1 of 4 Specifications Resonant frequency 2.8 ± 0.5 KHz Operating voltage 30 ~ 120.0 V ac/V dc non-polarized Current consumption 7 mA max. at 110 V ac Sound pressure level 88 db min. at 30 cm / 110 V ac Rated Voltage 110 V ac Tone Continuous Operating tempurature -20 ~ +60° C Storage tempurature -30 ~ +70° C Dimensions ø41.8 x H22.0 mm See attached drawing Weight 22.2 g max. Material ABS UL-94 1/16” HB High Heat (Black) Terminal Wire type See attached drawing RoHS yes Appearance Drawing Tolerance: ±0.5 Phone: 800.275.4899 Fax: 503.612.2383 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 Date: 2/06/2007 Part No: CEP-4411AC 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 Test Condition Evaluation Standard Solderability Stripped wires of lead wires are immersed in 90% min. of the stripped wires rosin for 5 seconds and then immersed in will be wet with solder. a solder bath of +270 ±5°C for 3 ±0.5 seconds. (Except the edge of the terminal) Terminal Mechanical Strength The pull force should be applied to the double lead wire: No damage or cutting off. Horizontal 3.0N (0.306kg) for 30 seconds Vertical 2.0N (0.204kg) for 30 seconds Vibration The buzzer will be measured after applying The value of oscillation a vibration amplitude of 1.5 mm with 10 to frequency/current consumption 55 Hz band of vibration frequency to each of should be ±10% of the initial the 3 perpendicular directions for 2 hours. measurements. The SPL should Drop Test The part will be dropped from a height of 75 cm be within ±10dB compared with onto a 40 mm thick wooden board 3 times in the initial measurement. 3 axis (X, Y, Z) for a total of 9 drops. Phone: 800.275.4899 Fax: 503.612.2383 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 Date: 2/06/2007 Part No: CEP-4411AC Unit: mm Description: piezo audio indicator Page No: 3 of 4 Environment Test Item Test Condition Evaluation Standard High temp. test After being placed in a chamber at +70°C for 240 hours. Low temp. test After being placed in a chamber at -30°C for 240 hours. Humidity test After being placed in a chamber at +40°C and 90±5% relative humidity for 240 hours. The buzzer will be measured after Temp. cycle test The part shall be subjected to 5 cycles. One being placed at +25°C for 4 cycle will consist of: 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 Test Condition Evaluation Standard Operating (Life Test) 1. Continuous life test: The buzzer will be measured after The part will be subjected to 48 hours of being placed at +25°C for 4 continuous operation at +45°C with rated hours. The value of the voltage applied. oscillation frequency/current consumption should be ±10% 2. Intermittent life test: compared to the initial A duty cycle of 1 minute on, 1 minute off, a measurements. The SPL should minimum of 5,000 times at room temp be ±10dB compared to the initial (+25±2°C) with rated voltage applied. measurements. Test Conditions Standard Test Condition a) Tempurature: +5 ~ +35°C b) Humidity: 45 - 85% c) Pressure: 860 - 1060 mbar Judgement Test Condition a) Tempurature: +25 ±2°C b) Humidity: 60 - 70% c) Pressure: 860 - 1060 mbar Phone: 800.275.4899 Fax: 503.612.2383 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 Date: 2/06/2007 Part No: CEP-4411AC Unit: mm Description: piezo audio indicator Page No: 4 of 4 Packaging Phone: 800.275.4899 Fax: 503.612.2383 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062