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| Part No: CST-934AS Description: magnetic buzzer Date: 9/20/2006 Unit: mm Page No: 1 of 5 Specifications Rated voltage Operating voltage Mean current Coil resistance Sound output 3.0 Vo-p 2.0 - 4.5 Vo-p 80 mA max. 20 3 Min. 90 (Typical 95) dBA Applying rated voltage, 2730 Hz square wave, 1/2 duty Distance at 5cm (A-weight free air). Applying rated voltage of 2730 Hz, square wave, 1/2 duty. Rated frequency Operating tempurature Storage tempurature Dimensions Weight Material Terminal RoHS 2730 Hz -20 ~ +60 C -30 ~ +70 C o9.0 x H4.0 mm 1.0 g PPO (Black) Spring type (Au Plating) yes See attached drawing See attached drawing Frequency Response Curve Phone: 800.275.4899 Fax: 503.612.2381 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 Part No: CST-934AS Description: magnetic buzzer Date: 9/20/2006 Unit: mm Page No: 2 of 5 Appearance Drawing Tolerance: 0.5 Measurement Method Phone: 800.275.4899 Fax: 503.612.2381 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 Part No: CST-934AS Description: magnetic buzzer Date: 9/20/2006 Unit: mm Page No: 3 of 5 Mechanical Characteristics Item Vibration Test Condition The buzzer will be measured after applying a vibration amplitude of 1.5 mm with 10 to 55 Hz band of vibration frequency to each of the 3 perpendicular directions for 2 hours. The part is to be dropped from a height of 75 cm onto a 40 mm thick wooden board 3 times in 3 axis (X, Y, Z) for a total of 9 drops. Evaluation Standard After the test, the part shall meet specifications without any damage to the appearance and the SPL should be within 10 dBA of the initial SPL. Drop Test Environment Test Item High temp. test Low temp. test Thermal shock Test Condition The part will be subjected to +70C for 96 hours. The part will be subjected to -30C for 96 hours The part will be subjected to 10 cycles. One cycle will consist of: Evaluation Standard Temp./Humidity cycle The part shall be subjected to 10 cycles. One cycle will last for 24 hours and consist of: After the test, the part shall meet specifications without any damage to the appearance. After 4 hours at +25C, the SPL should be within 10 dBA of the initial SPL. Phone: 800.275.4899 Fax: 503.612.2381 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 Part No: CST-934AS Description: magnetic buzzer Date: 9/20/2006 Unit: mm Page No: 4 of 5 Mechanical Characteristics Item Operating (Life Test) Evaluation Standard Test Condition 1. Continuous life test: The part will be subjected to 72 hours at +45C After the test, the part shall meet specifications without any with 3 V, 2730 Hz applied. damage to the appearance. After 4 hours at +25C, the SPL 2. Intermittent life test: should be within 10 dBA of the A duty cycle of 1 minute on, 1 minute off, a initial SPL. minimum of 10,000 times at room temp (+2510C) with 3 V, 2730 Hz applied. Test Conditions Standard Test Condition Judgement Test Condition a) Tempurature: +5 ~ +35C a) Tempurature: +252C 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: CST-934AS Description: magnetic buzzer Date: 9/20/2006 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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