CST-934AS

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 Ω Min. 90 (Typical 95) dBA Applying rated voltage, 2730 Hz square wave, ½ duty Distance at 5cm (A-weight free air). Applying rated voltage of 2730 Hz, square wave, ½ duty. Rated frequency Operating tempurature Storage tempurature Dimensions Weight Material Terminal RoHS 2730 Hz -20 ~ +60° C -30 ~ +70° C ø9.0 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 +70°C for 96 hours. The part will be subjected to -30°C 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 +25°C, 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 +45°C After the test, the part shall meet specifications without any with 3 V, 2730 Hz applied. damage to the appearance. After 4 hours at +25°C, 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 (+25±10°C) with 3 V, 2730 Hz applied. Test Conditions Standard Test Condition Judgement Test Condition a) Tempurature: +5 ~ +35°C a) Tempurature: +25±2°C 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