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| Part No: CMT-1303 Description: piezo audio transducer Date: 9/12/2006 Unit: mm Page No: 1 of 6 Specifications Operating voltage Current consumption Sound pressure level Electrostatic capacitance Operating temperature Storage temperature Dimensions Weight Material Terminal RoHS 25 Vp-p max. 5 mA max. at 5 Vp-p, square wave, 4.1 KHz 70 db min. at 10 cm / 5 Vp-p, square wave, 4.1 KHz 16,000 pF 30% at 1 KHz / 1 V -20 ~ +70 C -30 ~ +80 C o12.8 x W12.8 x H2.5 mm 0.5 g max. LCP (White) SMD Type yes Appearance Drawing Tolerance: 0.2 Phone: 800.275.4899 Fax: 503.612.2381 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 Part No: CMT-1303 Description: piezo audio transducer Date: 9/12/2006 Unit: mm Page No: 2 of 6 Typical Frequency Response Curve Measurement Method S.P.L. Measuring Circuit Input Signal: 5 V p-p, 4.1 KHz, Square Wave Mic: RION UC 30 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 Part No: CMT-1303 Description: piezo audio transducer Date: 9/12/2006 Unit: mm Page No: 3 of 6 Mechanical Characteristics Item Solderability Evaluation Standard Test Condition 95% of the surface of the lead Lead terminals are immersed in rosin for pads must be covered with 5 seconds and then immersed in solder bath fresh solder. of 230 5C for 2 0.5 seconds. 1) IR Reflow Pre-heating conditions should be 140~160C for 60 to 120 seconds. Ascending time up to 200C should be longer than 30 seconds. Heating conditions should be within 10 seconds at 230C min. Peak temperature should be 235C. Then, place leave the buzzer in natural conditions for 1 hour before measuring. No interference in operation. 2) Soldering Iron Soldering iron of 270 5C should be placed 0.5mm above the buzzer's electrode. Melting solder through the soldering iron should be applied to the electrode for 31 seconds. Then, place the buzzer in natural conditions for 4 hours before measuring. No damage or cutting off. For 10 seconds, the force of 9.8N (1.0kg) is applied to each terminal in axial direction. The value of oscillation The buzzer shall be measured after applying frequency/current consumption a vibration amplitude of 1.55 mm with 10 to 55 Hz band of vibration frequency for 1 minute should be 10% of the initial measurements. The SPL should to each of the 3 perpendicular directions for be within 10dB compared with 2 hours. the initial measurement. Soldering Heat Resistance Terminal Mechanical Strength Vibration Phone: 800.275.4899 Fax: 503.612.2381 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 Part No: CMT-1303 Description: piezo audio transducer Date: 9/12/2006 Unit: mm Page No: 4 of 6 Environment Test Item High temp. test Low temp. test Humidity test Temp. cycle test Test Condition After being placed in a chamber at +80C for 240 hours. After being placed in a chamber at -30C 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 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 +55C 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 2C) 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 within 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: CMT-1303 Description: piezo audio transducer Date: 9/12/2006 Unit: mm Page No: 5 of 6 Recommended Temperature Profile for Reflow Oven Phone: 800.275.4899 Fax: 503.612.2381 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 Part No: CMT-1303 Description: piezo audio transducer Date: 9/12/2006 Unit: mm Page No: 6 of 6 Packaging Phone: 800.275.4899 Fax: 503.612.2381 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 |
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