SPECIFICATIONS PARAMETERS VALUES UNITS DIRECTIVITY OMNI - SENSITIVTY -44 ± 3 dB STANDARD OPERATING VOLTAGE 2 Vdc MAX OPERATING VOLTAGE CURRENT CONSUMPTION (MAX) 10 Vdc 0.5 mA IMPEDANCE 2.2 KOhm 60 dB -20 ~ +70 LEAD WIRE °C - N/A pF SIGNAL TO NOISE RATIO (MIN.) OPERATING TEMPERATURE TERMINAL INTERNAL CAPACITOR THIS DOCUMENT CONTAINS DATA PROPRIETARY TO PROJECTS UNLIMITED, INC. ANY USE OR REPRODUCTION, IN ANY FORM, WITHOUT PRIOR WRITTEN PERMISSION OF PROJECTS UNLIMITED, INC. IS PROHIBITED. ©2003, Projects Unlimited Inc. REVISION HISTORY LTR A B C DESCRIPTION RELEASED FROM ENGINEERING REVISED OPERATING TEMPERATURE AND IP RATING REVISED TO INVENTOR 3-D DRAWING TEMPLATE ADDED PIN LOCATION DATE 10/10/2006 6/9/2008 9/4/2008 7/14/2010 APPROVED B.R. B.R. B.R. ASSEMBLY C-C ( 5 : 1 ) C C n6 `0.1 WATERPROOF BARRIER MICROPHONE 2.6 `0.1 1.8 `0.1 BOOT 50 `3 BLACK PIN 2 TERM. 2 (-) B n3.2 `0.1 4.9 `0.1 5.8 `0.1 RED PIN 1 TERM. 1 (+) UL1571 AWG #30 NOTES: 1.6 `0.2 n7.1 `0.1 B B-B ( 6 : 1 ) 1. ALL DIMENSIONS ARE IN MILLIMETERS. 2. SPECIFICATIONS SUBJECT TO CHANGE OR WITHDRAWL WITHOUT NOTICE. 3. THIS PART IS RoHS 2002/95/EC COMPLIANT. Δ4. MOLEX CONNECTOR P/N: 51021-0200 5. PART IS IP57 RATED. 6. ASSEMBLY IS WASHABLE WITH BOOT IN PLACE. UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN MILLIMETERS, TOLERANCES ARE ±0.5 AND ANGLES ARE ±3°. SIZE A3 POW-1644L-LWC50-B-R.idw Designed by Date Checked by Date Approved by Date Drawn Date J.D. 10/10/2006 B.R. 10/11/2006 R.W. 10/11/2006 9/4/2008 POW-1644L-LWC50-B-R Microphone Edition Sheet - 1/1