For more information, please visit the product page. date 05/02/2013 page 1 of 3 MODEL: CSS-I4B20-SMT │ DESCRIPTION: MAGNETIC BUZZER TRANSDUCER FEATURES • large sound port • top sound port • externally driven RoHS SPECIFICATIONS parameter rated voltage conditions/description Vo-p min 3 0V at rated voltage, 2,730 Hz square wave, ½ duty rated frequency sound pressure level at 5 cm (A-weight), rated voltage, 2,730 Hz square wave, ½ duty coil resistance dimensions max 3.6 operating voltage current consumption typ units Vo-p 5 Vo-p 80 mA 2,730 Hz 85 90 dBA 17 20 23 8.5 x 8.5 x 3 Ω mm weight 0.6 material L.C.P. (white) terminal SMT type (Au plating) g operating temperature -30 70 °C storage temperature -40 85 °C max units 260 °C RoHS Note: yes Add suffix “-TR” to the model for tape & reel packaging SOLDERABILITY parameter conditions/description reflow soldering see reflow solder profile min ˣ˸˴˾ʳ˧˸̀̃ ˅ˉ˃̓˖ ˅ˈˈ̓˖ ˅˃̑ˇ˃ʳ̆˸˶ ˅˄ˊ̓˖ ̓˖ ˅˃˃̓˖ ˄ˈ˃̓˖ ˉ˃̑˄ˋ˃̆˸˶ ˧˼̀˸ʳˮ̆˸˶˰ cui.com ˉ˃̑˄ˈ˃̆˸˶ typ For more information, please visit the product page. CUI Inc │ MODEL: CSS-I4B20-SMT │ DESCRIPTION: MAGNETIC BUZZER TRANSDUCER date 05/02/2013 │ page 2 of 3 MECHANICAL DRAWING units: mm tolerance: ±0.5mm SOUND PORT RECOMMENDED PCB LAYOUT (Top View) FREQUENCY RESPONSE CURVE Ĳıı ĺı ťŃ Ĺı ĸı ķı Ķı ĳı ĳıı ŉŻ ĳŌ ĳıŌ MEASUREMENT METHOD +VDC +2.5V 180Ω TR: 2SC1741AS 0 cui.com For more information, please visit the product page. CUI Inc │ MODEL: CSS-I4B20-SMT │ DESCRIPTION: MAGNETIC BUZZER TRANSDUCER date 05/02/2013 │ page 3 of 3 REVISION HISTORY rev. description date 1.0 initial release 11/13/2006 1.01 updated part number, added TR package option, applied new spec template 05/02/2013 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.