Additional Resources: Product Page 3D Model date 01/02/2020 page 1 of 4 MODEL: CPI-4333-85L127 DESCRIPTION: PIEZO BUZZER INDICATOR FEATURES 85 dB piezo internally driven panel mount with 127 mm lead wires SPECIFICATIONS parameter conditions/description min typ max units rated voltage 12 Vdc operating voltage 4 28 Vdc current consumption at rated voltage 20 mA rated frequency at rated voltage 2,400 2,900 3,400 Hz sound pressure level at 30 cm, rated voltage 85 dB single tone fast pulse (3.0 20% Hz) dimensions 43 x 33 mm weight 43.0 g material ABS terminal wire leads operating temperature -20 60 C storage temperature -30 70 C RoHS yes Notes: 1. All specifications measured at 253C, humidity at 60~70%, under 86~106 kPa pressure, unless otherwise noted. SOLDERABILITY parameter conditions/description min typ max units hand soldering 370 380 390 C cuidevices.comAdditional Resources: Product Page 3D Model CUI Devices MODEL: CPI-4333-85L127 DESCRIPTION: PIEZO BUZZER INDICATOR date 01/02/2020 page 2 of 4 MECHANICAL DRAWING units: mm tolerance: 0.5 mm wire: UL1007 24 AWG TONE CONNECTIONS Single Red + Black Fast Pulse Red + Blue 3277,1* M28X1.5 PERFORMANCE CURVES SPL: Voltage vs. Sound Pressure Level I: Voltage vs. Current Consumption (dB) at 30 cm (mA) 95 20 90 16 SPL 85 12 I 80 8 75 4 70 0 4 8 12 16 20 24 28 (V) Supply Voltage (Vdc) cuidevices.com Sound Pressure Level (dB) Current Consumption (mA)