Date: 9/08/2006 Part No: CEM-1212C Unit: mm Description: magnetic buzzer Page No: 1 of 5 Specifications Rated voltage 12.0 V dc Operating voltage 8.0 ~ 16.0 V dc Current consumption 35 mA max. Sound pressure level 85 db min. (94 db typ.) at 10 cm (A-weight free air) Resonant frequency 2300 Hz ± 300 Operating temperature -20 ~ +60° C Storage temperature -30 ~ +70° C Dimensions ø12 x H9.5 mm Weight 1.6 g Material PPO (Black) Terminal Pin type (Au Plating) RoHS yes Appearance Drawing Tolerance: ±0.5 Phone: 800.275.4899 Fax: 503.372.1266 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 Date: 9/08/2006 Part No: CEM-1212C Unit: mm Description: magnetic buzzer Page No: 2 of 5 Voltage: Sound Pressure Level / Voltage: Current Consumption Measurement Method Phone: 800.275.4899 Fax: 503.372.1266 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 Date: 9/08/2006 Part No: CEM-1212C Unit: mm Description: magnetic buzzer Page No: 3 of 5 Mechanical Characteristics Item Test Condition Evaluation Standard Solderability Lead terminals are immersed in rosin for 90% min. of the lead terminals 5 seconds and then immersed in solder bath will be wet with solder. of 270 ±5°C for 3 ±1 seconds. (Except the edge of the terminal.) Soldering Heat Resistance Lead terminals are immersed solder bath of No interference in operation. 260 ±5°C for 3 ±1 seconds. Terminal Mechanical Strength For 10 seconds, the force of 9.8N (1.0kg) is No damage or cutting off. applied to each terminal in axial direction. Vibration The buzzer should be measured after applying After the test, the part should a vibration amplitude of 1.5mm with 10 to 55 Hz meet specifications without any band of vibration frequency to each of the 3 damage in appearance or perpendicular directions for 2 hours. performance. The SPL should be Drop Test The part should be dropped from a height of within ±10 dBA when compared 75 cm onto a 40 mm thick wooden board 3 to the initial measurement. times in 3 axes (X, Y, Z) for a total of 9 drops. Environment Test Item Test Condition Evaluation Standard High temp. test After being placed in a chamber at +70°C for 96 hours. Low temp. test After being placed in a chamber at -30°C for 96 hours. Thermal Shock The part should be subjected to 10 cycles. One cycle will consist of: After the test, the part should meet specifications without any damage in appearance or performance. The SPL should be within ±10 dBA when compared to the initial measurement. Temp./Humidity cycle test The part shall be subjected to 10 cycles. One cycle will be 24 hours and consist of: Phone: 800.275.4899 Fax: 503.372.1266 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 Date: 9/08/2006 Part No: CEM-1212C Unit: mm Description: magnetic buzzer Page No: 4 of 5 Reliability Tests Item Test Condition Evaluation Standard Operating (Life Test) 1. Continuous life test: After the test, the part should The part will be subjected to 72 hours at 45°C meet specifications without any with 12 V dc applied. damage in appearance or performance. After 4 hours at 2. Intermittent life test: +25°C, the SPL should be A duty cycle of 1 minute on, 1 minute off, a within ±10 dBA when compared minimum of 10,000 times at room temp. to the initial measurement. (+25±10°C) with 12 V dc applied. Test Conditions Standard Test Condition a) Tempurature: +5 ~ +35°C b) Humidity: 45 - 85% c) Pressure: 860-1060 mbar Judgement Test Condition a) Tempurature: +25 ±2°C b) Humidity: 60 - 70% c) Pressure: 860-1060 mbar Phone: 800.275.4899 Fax: 503.372.1266 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 Date: 9/08/2006 Part No: CEM-1212C Unit: mm Description: magnetic buzzer Page No: 5 of 5 Packaging Phone: 800.275.4899 Fax: 503.372.1266 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062