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CPE-351 Datasheet(PDF) 4 Page - CUI INC |
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CPE-351 Datasheet(HTML) 4 Page - CUI INC |
4 / 5 page page date DESCRIPTION: piezo audio indicators 4 of 5 11/12/2007 20050 SW 112th Ave. Tualatin, Oregon 97062 phone phone 503.612.2300 fax fax 503.612.2383 PART NUMBER: CPE-351 RELIABILITY TEST item test condition operating (life test) 1. Continuous life test: The part will be subjected to 48 hours of continuous operation at +70°C with rated voltage applied. 2. Intermittent life test: A duty cycle of 1 minute on, 1 minutes off, a minimum of 5,000 times at room temp (+25 ±2°C) with rated voltage applied. evaluation standard The buzzer will be measured after being placed at +25°C for 4 hours. The value of the oscillation frequency/current consumption should be ±10% compared to the initial measurements. The SPL should be within ±10dB compared to the initial measurements. 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 |
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