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Part No: CEM-1212S Description: magnetic buzzer
Date: 6/12/2006 Unit: mm Page No: 1 of 5
Specifications
Rated voltage Operating voltage Mean current Coil resistance Sound output 12.0 Vo-p 6.0 - 16.0 Vo-p 40 mA max. 140 21 Ohm Min. 85 (Typical 92) dBA Applying rated voltage, 2400 Hz square wave, 1/2 duty Distance at 10cm (A-weight free air). Applying rated voltage of 2400 Hz, square wave, 1/2 duty.
Rated frequency Operating tempurature Storage tempurature Dimensions Weight Material Terminal RoHS
2,400 Hz -20 ~ +60 C -30 ~ +70 C o12.0 x H9.5 mm 1.6 g PBT (Black) Pin type (Au Plating) yes
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 Description: magnetic buzzer
Date: 6/12/2006 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: CEM-1212S Description: magnetic buzzer
Date: 6/12/2006 Unit: mm Page No: 3 of 5
Mechanical Characteristics
Item Solderability 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 5C 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 5C 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.
Soldering Heat Resistance
Terminal Mechanical Strength
Vibration
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 consist of:
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.
Phone: 800.275.4899
Fax: 503.612.2381
www.cui.com
20050 SW 112th Ave.
Tualatin, OR 97062
Part No: CEM-1212S Description: magnetic buzzer
Date: 6/12/2006 Unit: mm 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 +45C After the test, the part shall meet specifications without any with 12 V, 2400 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 minutes off, a initial SPL. minimum of 10,000 times at room temp (+2510C) with 12 V, 2400 Hz applied.
Test Conditions
Standard Test Condition Judgement Test Condition a) Tempurature: +5 ~ +35C a) Tempurature: +25 2C 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: CEM-1212S Description: magnetic buzzer
Date: 6/12/2006 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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