Additional Resources: Product Page 3D Model date 07/01/2020 page 1 of 3 MODEL: CLF0381MP-1 DESCRIPTION: SPEAKER FEATURES 38 mm round frame 0.25 W 8 ferrite magnet mylar cone SPECIFICATIONS parameter conditions/description min typ max units input power 0.25 0.4 W impedance at 1.0 kHz, 1.0 V 6.8 8 9.2 resonant frequency (Fo) at 1.0 V 304 380 456 Hz frequency response Fo 10,000 Hz sound pressure level at 0.1 W, 5 cm, avg at 0.6, 0.8, 1.0, 1.2 kHz 90 93 96 dB buzz, rattle, etc. must be normal at sine wave 1.41 V dimensions 38 x 9.4 mm magnet ferrite cone material mylar terminal solder pins/posts weight 15.6 g operating temperature -25 60 C RoHS yes cuidevices.comAdditional Resources: Product Page 3D Model CUI Devices MODEL: CLF0381MP-1 DESCRIPTION: SPEAKER date 07/01/2020 page 2 of 3 MECHANICAL DRAWING units: mm 0.50 28.2 0.2 9.4 0.3 5.7 0.2 23.0 0.3 (+) 38.0 5.0 0.2 0.3 (-) FREQUENCY RESPONSE CURVE parameter conditions/description potentiometer range 50 dB rectifier RMS lower limit frequency 20 Hz wr. speed 100 mm/sec zero level 60 dB cuidevices.com