EFM-250D (DN, D10)
External-driven Piezo Transducer
EFM-250D (DN, D10)
FEATURES:
● Compact structure
● Sealed for wave soldering and washing
DIMENSIONS: (Unit: mm)
EFM-250DN: H=7.0, D=7.6, P=3
EFM-250D: H=7.5, D=7.5, P=3
EFM-250D10: H=8.0, D=10, P=4.5
Note: EFM-250D is adopted with epoxy potling at the bottom
CHARACTERISTICS:
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External-driven Piezo Transducer
EFM-250D (DN, D10)
ELECTRICAL SPECIFICATIONS :
Model No. EFM-250D(D10) EFM-250D(D10)
Min. sound pressure level (dB) 80/4.1kHz/5VP-P Square
Wave /10cm 80/4.1kHz/9VP-P Square
Wave /10cm
Max. Consumption (mA) 2/4.1kHz/5VP-P Square
Wave 2/4.1kHz/9VP-P Square
Wave
Resonant Frequency (kHz) 4.1 ¡À 0.5
Capacitance at 120Hz (nF) 10 ¡À 30%
Allowable input voltage 20VP-P
Operating temperature (ºC) -20 ¡« +70
Weight 1 g
Case Material/Colour PA6/Black PC/Black
PACKING INFORMATION :
Packing : 15000 pcs per export carton
Carton Size : 47 x 30.5 x 35 cm
G. Weight : 8(7.5) kgs
N. Weight : 6 kgs
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Copyright 2001 Ningbo East Electronics Limited. All rights reserved.
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