Date: 6/12/2006 Part No: CEM-1212S Unit: mm Description: magnetic buzzer Page No: 1 of 5 Specifications Rated voltage 12.0 Vo-p Operating voltage Mean current 6.0 - 16.0 Vo-p 40 mA max. Coil resistance Sound output 140 ±21 Ohm Min. 85 (Typical 92) dBA Rated frequency Operating tempurature Storage tempurature Dimensions Weight Material Terminal RoHS 2,400 Hz -20 ~ +60° C -30 ~ +70° C ø12.0 x H9.5 mm 1.6 g PBT (Black) Pin type (Au Plating) yes Applying rated voltage, 2400 Hz square wave, ½ duty Distance at 10cm (A-weight free air). Applying rated voltage of 2400 Hz, square wave, 1/2 duty. Frequency Response Curve Phone: 800.275.4899 Fax: 503.612.2381 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 Part No: CEM-1212S Date: 6/12/2006 Unit: mm Description: magnetic buzzer 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 Date: 6/12/2006 Part No: CEM-1212S Unit: mm Description: magnetic buzzer Page No: 3 of 5 Mechanical Characteristics Item Solderability Soldering Heat Resistance Terminal Mechanical Strength Vibration Drop Test Evaluation Standard Test Condition 90% min. of the lead terminals Lead terminals are immersed in rosin for must be wet with fresh solder. 5 seconds and then in a solder bath of (Except the edge of the terminal) +270 ±5°C for 3 ±1 seconds. Lead terminals are immersed up to 1.5mm from No in interference in operation. the buzzer’s body in a solder bath of +260 ±5°C for 3 ±1 seconds. The force of 9.8 N (1.0 kg) will be applied No damage or cutting off. to each terminal in each axial direction for 10 seconds. The buzzer will be measured after applying After the test, the part will meet a vibration amplitude of 1.5 mm with 10 to specifications without any 55 Hz band of vibration frequency to each of damage to the appearance and the 3 perpendicular directions for 2 hours. the SPL should be within ±10 The part is to be dropped from a height of dBA of the initial SPL. 75 cm onto a 40 mm thick wooden board 3 times in 3 axis (X, Y, Z) for a total of 9 drops. Environment Test Item High temp. test Low temp. test Thermal shock Temp./Humidity cycle Phone: 800.275.4899 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: The part shall be subjected to 10 cycles. One cycle will consist of: Fax: 503.612.2381 www.cui.com Evaluation Standard After the test, the part shall meet specifications without any damage to the appearance or performance and the SPL should be within ±10 dBA of the initial SPL. 20050 SW 112th Ave. Tualatin, OR 97062 Date: 6/12/2006 Part No: CEM-1212S Unit: mm Description: magnetic buzzer Page No: 4 of 5 Reliability Tests 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 12 V, 2400 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 minutes off, a initial SPL. minimum of 10,000 times at room temp (+25±10°C) with 12 V, 2400 Hz applied. Test Conditions Standard Test Condition Judgement Test Condition Phone: 800.275.4899 a) Tempurature: +5 ~ +35°C a) Tempurature: +25 ±2°C Fax: 503.612.2381 b) Humidity: 45 - 85% b) Humidity: 60 - 70% www.cui.com c) Pressure: 860 - 1060 mbar c) Pressure: 860 - 1060 mbar 20050 SW 112th Ave. Tualatin, OR 97062 Part No: CEM-1212S Date: 6/12/2006 Unit: mm Description: magnetic buzzer Page No: 5 of 5 Packaging Phone: 800.275.4899 Fax: 503.612.2381 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062