For more information, please visit the product page. date 04/24/2012 page 1 of 3 MODEL: CST-931RP-A │ DESCRIPTION: MAGNETIC BUZZER FEATURES • side port • SPL 85 dB • low profile RoHS SPECIFICATIONS parameter conditions/description min typ max units rated voltage 3.0 Vo-p operating voltage 2.0 4.0 Vo-p current consumption at rated voltage, 2,730 Hz square wave, ½ duty 80 mA coil resistance 12.7 15.0 17.3 Ω sound pressure level at 10 cm 85 92 dB rated frequency 2,730 Hz dimensions ø9.0 x H4.5 mm weight 0.6 g material PPO (black) terminal pin type (Au plating) operating temperature -20 60 °C storage temperature -30 70 °C RoHS yes MECHANICAL DRAWING Sound Emission Hole (cid:324)(cid:340)(cid:341)(cid:302)(cid:314)(cid:308)(cid:306) (cid:339)(cid:337)(cid:302)(cid:322) (cid:289)(cid:289)(cid:305)(cid:306)(cid:306)(cid:307) (cid:305)(cid:306) (cid:306)(cid:306)(cid:302)(cid:302)(cid:302)(cid:307)(cid:305)(cid:306)(cid:306) (cid:305)(cid:307) (cid:306)(cid:307)(cid:302)(cid:302)(cid:302)(cid:307)(cid:305)(cid:306)(cid:307) c u i . c o m

For more information, please visit the product page. CUI Inc │ MODEL: CST-931RP-A │ DESCRIPTION: BUZZER date 04/24/2012 │ page 2 of 3 FREQUENCY RESPONSE CURVE A: frequency response. Magn dB re 20.00μPA 100 90 80 dB 70 60 50 20 200 2K 20K Hz MEASUREMENT METHOD +VDC +2.5V 180Ω TR: 0 2SC1741AS c u i . c o m

For more information, please visit the product page. CUI Inc │ MODEL: CST-931RP-A │ DESCRIPTION: BUZZER date 04/24/2012 │ page 3 of 3 REVISION HISTORY rev. description date 1.0 initial release 01/30/2006 1.01 updated template and model number 04/24/2012 The revision history provided is for informational purposes only and is believed to be accurate. Headquarters 20050 SW 112th Ave. Fax 503.612.2383 Tualatin, OR 97062 cui.com 800.275.4899 techsupport@cui.com 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.