For more information, please visit the product page. date 03/30/2016 page 1 of 4 MODEL: CMT-8540S-SMT │ DESCRIPTION: MAGNETIC BUZZER TRANSDUCER FEATURES • externally driven • SMT • rated frequency of 4000 Hz SPECIFICATIONS parameter rated voltage conditions/description Vo-p operating voltage current consumption min at rated voltage, 4,000 Hz square wave, ½ duty at 10 cm (A-weight), rated voltage, 4,000 Hz square wave, ½ duty Vo-p 150 mA Hz dBA 13 16 8.5 x 8.5 x 4.0 0.8 material LCP terminal SMT type (Sn plating) operating temperature storage temperature RoHS Ω mm weight Notes: Vo-p 100 10 units 6.0 4,000 coil resistance dimensions max 5.0 1.0 0V rated frequency sound pressure level typ g -20 70 °C -40 85 °C max units 260 °C 2011/65/EU 1. Add suffix “-TR” to the model for tape & reel packaging 2. All specifications measured at 5~35°C, humidity at 45~85%, under 86~106 kPa pressure, unless otherwise noted. SOLDERABILITY parameter conditions/description reflow soldering see recommended reflow soldering profile min Temperature (°C) SMT Reflow Solder Profile (Pb Free) Peak Temp 260°C 235°C 20~40 sec 217°C 200°C 150°C 60~180 sec 60~150 sec Time (sec) cui.com typ For more information, please visit the product page. CUI Inc │ MODEL: CMT-8540S-SMT │ DESCRIPTION: MAGNETIC BUZZER TRANSDUCER date 03/30/2016 │ page 2 of 4 MECHANICAL DRAWING units: mm tolerance: ±0.5 mm 1227 .QPMBSJUZ Zfbs Xffl 2.1 SOUND PORT ,QPMBSJUZ Recommended PCB Layout Top View FREQUENCY RESPONSE CURVE MEASUREMENT METHOD +VDC +2.5V 180Ω TR: 2SC1741AS 0 cui.com For more information, please visit the product page. CUI Inc │ MODEL: CMT-8540S-SMT │ DESCRIPTION: MAGNETIC BUZZER TRANSDUCER date 03/30/2016 │ page 3 of 4 PACKAGING units: mm Reel Size: Ø330 mm Carton Size: 370 x 350 x 350 mm Reel QTY: 1,000 pcs per reel Carton QTY: 10,000 pcs per carton ĴĴı ıĲĲķ ńŢųŵŰůġŃŰŹ ĩĲıġŊůůŦųġŃŰŹĪ XXXXXXXXXX Model No. XXXXXXXXXX Quantity. XXXX Pcs Date: DD MM YY MADE IN CHINA G ˇ ıĲĲķ ˇ ıĲĲķ Lot No. ˇ ĲġœŦŦŭġĻġĲıııőńŔ ŊůůŦųġŃŰŹ ĩĲōŢźŦųġœŦŦŭĪ CUI Inc The label is placed on the inner boxes and outer carton. cui.com For more information, please visit the product page. CUI Inc │ MODEL: CMT-8540S-SMT │ DESCRIPTION: MAGNETIC BUZZER TRANSDUCER date 03/30/2016 │ page 4 of 4 REVISION HISTORY rev. 1.0 description date initial release 03/30/2016 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@example.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.