Part No: CEM-1203(42) Date: 8/11/2006 Unit: mm Description: magnetic buzzer Page No: 1 of 5 Specifications Rated voltage 3.5 Vo-p Operating voltage Mean current 3.0 - 5.0 Vo-p 35 mA max. Coil resistance Sound output 42 ±6.3 Ω Min. 85 (Typical 95) dBA Rated frequency Operating temperature Storage temperature Dimensions Weight Material Terminal RoHS 2,048 Hz -20 ~ +60° C -30 ~ +70° C ø12.0 x H8.5 mm 1.4 g PPO (Black) Pin type (AU Plating) yes Applying rated voltage, 2048 Hz square wave, ½ duty Distance at 10cm (A-weight free air). Applying rated voltage of 2048 Hz, square wave, 1/2 duty. 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: CEM-1203(42) Date: 8/11/2006 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: 8/11/2006 Part No: CEM-1203(42) 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 lead terminals Lead terminals are immersed in rosin for 5 should be wet with solder. seconds and then immersed in solder bath (Except the edge of the terminal) of 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 solder bath of 260 ±5°C for 3 ±1 seconds. Apply force of 9.8 N (1.0 kg) to each terminal in No damage or cutting off. each axial direction for 10 seconds. After the test, the part shall meet The buzzer will be measured after applying specifications without any a vibration amplitude of 1.5 mm with 10 to 55 Hz band of vibration frequency to each of the 3 damage to the appearance. After 4 hours at +25°C, the SPL perpendicular directions for 2 hours. should be within ±10 dBA of the The part is to be dropped from a height of 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 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 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. Temp./Humidity cycle Phone: 800.275.4899 The part shall be subjected to 10 cycles. One cycle will consist of: Fax: 503.612.2381 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 Date: 8/11/2006 Part No: CEM-1203(42) Unit: mm Description: magnetic buzzer Page No: 4 of 5 Reliability Tests Item Operating (Life Test) Test Condition 1. Continous life test: The part will be subjected to 72 hours at 45°C with 3.5 V, 2048 Hz applied. Evaluation Standard 2. Intermittent life test: A duty cycle of 1 minute on, 1 mintue off, a minimum of 10,000 times at room temp. (25±10°C) with 3.5 V, 2048 Hz applied. 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. 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-1203(42) Date: 8/11/2006 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