date 11/22/2019
page 1 of 4
MODEL: CMT-1270S-SMT-TR │ DESCRIPTION: MAGNETIC BUZZER TRANSDUCER
cuidevices.com
FEATURES
• externally driven
• SMT
• washable
SPECIFICATIONS
parameter conditions/description min typ max units
rated voltage 1.5 Vo-p
operating voltage 1.2 2.0 Vo-p
current consumption at rated voltage, 2,400 Hz square wave, ½ duty 60 mA
rated frequency 2,400 Hz
sound pressure level at 10 cm (A-weight), rated voltage, 2,400 Hz
square wave, ½ duty 80 85 dBA
coil resistance 13.0 16.0 19.0 Ω
dimensions 12.8 x 9.8 x 7.0 mm
weight 2.0 g
material PPS (S-206)
terminal SMT type (Au plating)
operating temperature -20 70 °C
storage temperature -30 85 °C
RoHS yes
Notes: 1.Allspecicationsmeasuredat5~35°C,humidityat45~85%,under86~106kPapressure,unlessotherwisenoted.
SOLDERABILITY
parameter conditions/description min typ max units
reel storage atrelativehumidity<60% 30 °C
reowsoldering2seerecommendedreowsolderingprole 260 °C
drying conditions3bakeat40°Cfor24hours
Note: 2.Itisrecommendedtoreowsolderwithin48hoursfromopeningvacuumpackagingatatemperature<30°C&relativehumidity<60%.
3.Whenoutofpackagingformorethan48hours.
Peak Temp 260°C
255°C
217°C
200°C
150°C
60~180 sec60~150 sec
20~40 sec
Temperature (°C)
Time (sec)
SMT Reflow Solder Profile (Pb Free)
Additional Resources: Product Page | 3D Model | PCB Footprint