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| Part No: CMT-1261 Description: piezo audio transducer Date: 9/19/2006 Unit: mm Page No: 1 of 5 Specifications Operating voltage Current consumption Sound pressure level Electrostatic capacitance Operating temperature Storage temperature Dimensions Weight Material Terminal RoHS 20 Vp-p max. 10 mA max. at 10 Vp-p, square wave, 5 KHz 88 db min. at 10 cm / 10 Vp-p, square wave, 5 KHz 15,000 pF 30% at 1 KHz / 1 V -30 ~ +70 C -40 ~ +80 C L16.9 x W16.9 x H7.8 mm 2.6 g max. PPS UL-94 V-0 (Black) SMD type (Au Plating) yes Appearance Drawing Tolerance: 0.5 CUI.Inc. Phone: 800.275.4899 Fax: 503.612.2381 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 Part No: CMT-1261 Description: piezo audio transducer Date: 9/19/2006 Unit: mm Page No: 2 of 5 Typical Frequency Response Curve Measurement Method S.P.L. Measuring Circuit Input Signal: 10Vp-p,5kHz, Square Wave Mic : RION S.P.L meter UC30 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 Part No: CMT-1261 Description: piezo audio transducer Date: 9/19/2006 Unit: mm Page No: 3 of 5 Mechanical Characteristics Item Solderability Soldering Heat Resistance Terminal Mechanical Strength Evaluation Standard Test Condition 95% of the surface must be Lead terminals are immersed in solder bath covered with fresh solder. of 270 5C for 3 1 seconds. No interference in operation. The product follows the reflow temperature curve to test its reflow thermo stability. Lead pads should be soldered onto the pc board and the force of 9.8N (1.0kg) should be No damage or cutting off. applied behind the part for 10 seconds. 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 within 10% of the 55 Hz band of vibration frequency to each of initial measurements. The SPL the 3 perpendicular directions for 2 hours. should be within 10dB compared The part will be dropped from a height of with 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. Vibration Drop Test Environment Test Item High temp. test Low temp. test Humidity test Temp. cycle test Evaluation Standard Test Condition After being placed in a chamber at +80C for 240 hours. After being placed in a chamber at -40C for 240 hours. After being placed in a chamber at +40C and The buzzer will be measured after 905% relative humidity for 240 hours. The part should be subjected to 5 cycles. One being placed at +25C for 4 hours. The value of the cycle will consist of: oscillation frequency/current +80 consumption should be within 10% compared to the initial measurements. The SPL should +25 +25 be within 10dB compared to the initial measurements. -40 0.5hr 0.5hr 0.25 0.5hr 0.5hr 0.5hr 0.25 3hours Phone: 800.275.4899 Fax: 503.612.2381 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 Part No: CMT-1261 Description: piezo audio transducer Date: 9/19/2006 Unit: mm 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 +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 within 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 Recommended Temperature Profile for Reflow Oven SMT Reflow Temperature Profile (Pb_Free) Peak Temp 250C 245 15 sec Max. 217 C 200 C C 150C 60~180sec 60~150sec Time [sec] Phone: 800.275.4899 Fax: 503.612.2381 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 Part No: CMT-1261 Description: piezo audio transducer Date: 9/19/2006 Unit: mm Page No: 5 of 5 Packaging Phone: 800.275.4899 Fax: 503.612.2381 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 |
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