1 of 5 date 11/12/2007 DESCRIPTION: piezo audio indicators PART NUMBER: CPE-352 SPECIFICATONS operating frequency operating voltage range current consumption sound pressure level rated voltage tone operating tempurature storage tempurature dimensions weight material terminal RoHS page 2.8 ± 0.5 KHz 3 ~ 28 V DC 10 mA max. at 12 V DC 89 db min. at 30 cm/12 V DC 12 V DC continuous -30 ~ +85° C -40 ~ +95° C Ø42.0 x H14.0 mm 12.0 g max. ABS UL-94 1/16” high heat (black) pin type (Au plating) yes APPEARANCE DRAWING tolerance: ±0.5 units: mm 42.0 1.0 0.1 (2 PLCS) 25.4 14.0 6.5 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383 PART NUMBER: CPE-352 page 2 of 5 date 11/12/2007 DESCRIPTION: piezo audio indicators MEASUREMENT METHOD S.P.L. Measuring Circuit Mic: RION S.P.L. meter UC30 or equivalent CURRENT CONSUMPTION/SOUND PRESSURE LEVEL 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383 page 3 of 5 date 11/12/2007 DESCRIPTION: piezo audio indicators PART NUMBER: CPE-352 MECHANICAL CHARACTERISTICS item solderability soldering heat resistance terminal strength pulling vibration drop test test condition evaluation standard 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). Lead terminals are immersed up to 1.5mm from buzzer’s body in solder bath of 300 ±5°C for No interference in operation. 3 ±0.5 seconds or 260 ±5°C for 10 ±1 seconds. For 10 seconds, the force of 300g is No damage or cutting off. applied to each terminal in axial direction. The buzzer shall be measured after applying The value of oscillation a vibration amplitude of 1.5 mm with 10 to frequency/current consumption 55 Hz band of vibration frequency to each of should be ±10% of the initial the 3 perpendicular directions for 2 hours. measurements. The SPL should The part will be dropped from a height of be within ±10dB compared with 75 cm onto a 40 mm thick wooden board 3 the initial measurement. times in 3 axes (X, Y, Z) for a total of 9 drops. ENVIRONMENT TEST item high temp. test low temp. test humidity test temp. cycle test test condition After being placed in a chamber at +95°C for 240 hours. After being placed in a chamber at -40°C for 240 hours. After being placed in a chamber at +40°C and 90±5% relative humidity for 240 hours. The part shall be subjected to 5 cycles. One cycle will consist of: +80 +25 +25 -40 0.5hr 0.5hr 0.25 0.5hr 0.5hr 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. 0.5hr 0.25 3hours 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383 page 4 of 5 date 11/12/2007 DESCRIPTION: piezo audio indicators PART NUMBER: CPE-352 RELIABILITY TEST item operating (life test) test condition 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 judgement test condition a) tempurature: +5 ~ +35°C a) tempurature: +25 ±2°C b) humidity: 45 - 85% b) humidity: 60 - 70% c) pressure: 860-1060 mbar c) pressure: 860-1060 mbar 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383 PART NUMBER: CPE-352 page 5 of 5 date 11/12/2007 DESCRIPTION: piezo audio indicators PACKAGING 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383