EFM-250D (DN, D10) External-driven Piezo Transducer 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: file:///C|/Windows/DESKTOP/efm-250d%20(dn,%20d10).htm (1 of 2) [29/05/02 15:17:21] EFM-250D (DN, D10) ELECTRICAL SPECIFICATIONS : Model No. Min. sound pressure level (dB) Max. Consumption (mA) EFM-250D(D10) EFM-250D(D10) 80/4.1kHz/5VP-P Square Wave /10cm 2/4.1kHz/5VP-P Square Wave 80/4.1kHz/9VP-P Square Wave /10cm 2/4.1kHz/9VP-P Square Wave Resonant Frequency (kHz) 4.1 A 0.5 Capacitance at 120Hz (nF) 10 A 30% 20VP-P Allowable input voltage -20 +70 Operating temperature (C) Weight 1g 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 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 Copyright 2001 Ningbo East Electronics Limited. All rights reserved. file:///C|/Windows/DESKTOP/efm-250d%20(dn,%20d10).htm (2 of 2) [29/05/02 15:17:21]