For more information, please visit the product page. date 06/12/2015 page 1 of 3 MODEL: CPE-251 │ DESCRIPTION: PIEZO BUZZER INDICATOR FEATURES • wire leads with panel-mount tabs • 12 Vdc rating • 3.5 kHz rated frequency fast pulse SPECIFICATIONS parameter conditions/description min rated voltage 4 at rated voltage rated frequency 3,000 sound pressure level at 30 cm, rated voltage 82 tone fast pulse at rated voltage 2.4 dimensions Ø28.0 x 25.4 material ABS UL94 1/16” HB High Heat (black) terminal wire leads operating temperature storage temperature Notes: units Vdc 28 Vdc 5 mA 3,500 4,000 Hz 3.0 3.6 dB Hz mm weight RoHS max 12 operating voltage current consumption typ 10.1 g -30 85 °C -40 95 °C 2011/65/EU 1. All specifications measured at 5~35°C, humidity at 45~85%, under 86~106kPa pressure, unless otherwise noted. cui.com For more information, please visit the product page. CUI Inc │ MODEL: CPE-251 │ DESCRIPTION: PIEZO BUZZER INDICATOR date 06/12/2015 │ page 2 of 3 MECHANICAL DRAWING units: mm tolerance: ±0.5 mm 4.0 UL1007 LF 26AWG 5.0 2.0 39.5 28.0 150.0 3.0 (2 PLCS) 33.5 17.8 5.0 25.4 PERFORMANCE CURVES P: Voltage vs. Sound Pressure Level I: Voltage vs. Current Consumption cui.com For more information, please visit the product page. CUI Inc │ MODEL: CPE-251 │ DESCRIPTION: PIEZO BUZZER INDICATOR date 06/12/2015 │ page 3 of 3 REVISION HISTORY rev. description date 1.0 initial release 11/12/2007 1.01 applied new spec template 06/12/2015 The revision history provided is for informational purposes only and is believed to be accurate. Headquarters 20050 SW 112th Ave. Tualatin, OR 97062 800.275.4899 Fax 503.612.2383 cui.com [email protected] CUI offers a one (1) year limited warranty. Complete warranty information is listed on our website. CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use. CUI products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.