Date: 4/16/2007 Part No: CEP-1108 Unit: mm Description: piezo audio transducer Page No: 1 of 5 Specifications Operating voltage Current consumption Sound pressure level Electrostatic capacitance Operating temperature Storage temperature Dimensions Weight Material Terminal RoHS 50 Vp-p max. 7 mA max. 80 db min. 18,000 pF ±30% -30 ~ +85° C -40 ~ +95° C ø22.0 x H5.0 mm 1.5 g max. ABS UL-94 1/16” HB High Pin type (Sn Plating) yes at 10 Vp-p, square wave, 2.5 KHz at 10 cm / 10 Vp-p, square wave, 2.5 KHz at 120 Hz / 1 V Heat (Black) Appearance Drawing Tolerance: ±0.5 Phone: 800.275.4899 Fax: 503.612.2381 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 Date: 4/16/2007 Part No: CEP-1108 Unit: mm Description: piezo audio transducer Page No: 2 of 5 Typical Frequency Response Curve Measurement Method S.P.L. Measuring Circuit Input Signal: 10 V p-p, 2.5 KHz, Square Wave Mic: RION UC 30 or equivalent S.G.: Hewlett Packard 33120A Function Generator or equivalent Phone: 800.275.4899 Fax: 503.612.2381 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 Date: 4/16/2007 Part No: CEP-1108 Unit: mm Description: piezo audio transducer Page No: 3 of 5 Mechanical Characteristics Item Solderability Soldering Heat Resistance Terminal Mechanical Strength Vibration Drop Test Evaluation Standard Test Condition 90% min. of the lead terminals Lead terminals are immersed in rosin for will be wet with solder. 5 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 interference in operation. buzzer’s body in solder bath of 300 ±5°C for 3 ±0.5 or 260 ±5°C for 10 ±1 seconds. No damage or cutting off. For 10 seconds, the force of 9.8N (1.0kg) is applied to each terminal in axial direction. The buzzer should be measured after applying The value of oscillation 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. be within ±10dB compared with The part will be dropped from a height of the initial measurement. 75 cm onto a 40 mm thick wooden board 3 times in 3 axes (X, Y, Z) for a total of 9 drops. Environment Test Item High temp. test Low temp. test Humidity test Temp. cycle test Phone: 800.275.4899 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: Fax: 503.612.2381 www.cui.com 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 within ±10dB compared to the initial measurements. 20050 SW 112th Ave. Tualatin, OR 97062 Date: 4/16/2007 Part No: CEP-1108 Unit: mm Description: piezo audio transducer Page No: 4 of 5 Reliability Test Item Operating (Life Test) Test Condition 1. Continuous life test: The part will be subjected to 48 hours of continuous operation at +70°C 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 (+25 ±2°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 within ±10dB compared to the initial measurements. 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 Date: 4/16/2007 Part No: CEP-1108 Unit: mm Description: piezo audio transducer Page No: 5 of 5 Packaging Phone: 800.275.4899 Fax: 503.612.2381 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062