Additional Resources: Product Page | 3D Model | PCB Footprint date 11/22/2019 page 1 of 4 MODEL: CMT-1270S-SMT-TR DESCRIPTION: MAGNETIC BUZZER TRANSDUCER FEATURES * externally driven * SMT * washable SPECIFICATIONS parameter conditions/description Vo-p rated voltage min 1.2 0V at rated voltage, 2,400 Hz square wave, 1/2 duty rated frequency sound pressure level at 10 cm (A-weight), rated voltage, 2,400 Hz square wave, 1/2 duty coil resistance dimensions Vo-p 2.0 Vo-p 60 mA Hz 80 85 dBA 13.0 16.0 19.0 12.8 x 9.8 x 7.0 mm 2.0 material PPS (S-206) terminal SMT type (Au plating) operating temperature storage temperature RoHS units 2,400 weight Notes: max 1.5 operating voltage current consumption typ g -20 70 C -30 85 C max units 30 C 260 C yes 1. All specifications measured at 5~35C, humidity at 45~85%, under 86~106 kPa pressure, unless otherwise noted. SOLDERABILITY parameter conditions/description reel storage at relative humidity <60% min reflow soldering see recommended reflow soldering profile drying conditions3 bake at 40C for 24 hours 2 typ Note: 2. It is recommended to reflow solder within 48 hours from opening vacuum packaging at a temperature <30C & relative humidity <60%. 3. When out of packaging for more than 48 hours. Temperature (C) SMT Reflow Solder Profile (Pb Free) Peak Temp 260C 255C 20~40 sec 217C 200C 150C 60~180 sec 60~150 sec Time (sec) cuidevices.com Additional Resources: Product Page | 3D Model | PCB Footprint CUI Devices MODEL: CMT-1270S-SMT-TR DESCRIPTION: MAGNETIC BUZZER TRANSDUCER date 11/22/2019 page 2 of 4 MECHANICAL DRAWING units: mm tolerance: 0.5 mm Land Pattern Recommended PCB Layout Top View .DSWRQ0DVNLQJ/DEHO &076 &8, 3&% :HHN &$6( <HDU FREQUENCY RESPONSE CURVE 211 :1 eC 91 81 71 61 31 311 I{ 3L 31L MEASUREMENT METHOD +VDC +2.5V 180 TR: 2SC1741AS 0 cuidevices.com Additional Resources: Product Page | 3D Model | PCB Footprint CUI Devices MODEL: CMT-1270S-SMT-TR DESCRIPTION: MAGNETIC BUZZER TRANSDUCER date 11/22/2019 page 3 of 4 PACKAGING units: mm Reel Size: O330 mm Carton Size: 175 x 355 x 350 mm Reel QTY: 450 pcs per reel Carton QTY: 2,250 pcs per carton B 2!S ffm!;!561QD T Lot No. Dbsupo!Cpy )6!Joofs!Cpy* XXXXXXXXXX Model No. XXXXXXXXXX Quantity. XXXX Pcs Date: DD MM YY MADE IN CHINA G CUI Inc Joofs!C py )2Mbzfs!S ffm* The label is placed on the inner boxes and outer carton. cuidevices.com Additional Resources: Product Page | 3D Model | CUI Devices MODEL: CMT-1270S-SMT-TR DESCRIPTION: MAGNETIC BUZZER TRANSDUCER PCB Footprint date 11/22/2019 page 4 of 4 REVISION HISTORY rev. description date 1.0 initial release 03/31/2016 1.01 updated datasheet 05/25/2016 1.02 added storage and drying conditions 07/31/2019 brand update 11/22/2019 1.03 The revision history provided is for informational purposes only and is believed to be accurate. CUI Devices offers a one (1) year limited warranty. Complete warranty information is listed on our website. CUI Devices reserves the right to make changes to the product at any time without notice. Information provided by CUI Devices is believed to be accurate and reliable. However, no responsibility is assumed by CUI Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. CUI Devices 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. cuidevices.com