page date description: electret condenser microphone 1 of 4 06/2008 20050 sw 112 th ave. tualatin, oregon 97062 p h o n e phone 503.612.2300 f a x fax 503.612.2383 part number: CMC-5044PF-A specifications directivity omnidirectional sensitivity (s) -44 3 db f = 1khz, 1pa 0db = 1v/pa sensitivity reduction ( s-vs) -3 db f = 1khz, 1pa vs = 2 ~ 1.5 v dc operating voltage 2 v dc (standard), 10 v dc (max.) output impedance (zout) 2.2 k f = 1khz, 1pa operating frequency (f) 100 ~ 20,000 hz current consumption (i dss ) 0.5 ma max. vs = 2 v dc rl = 2.2k signal to noise ratio (s/n) 56 dba f = 1khz, 1pa a-weighted operating temperature -20 ~ +70 c storage temperature -20 ~ +70 c dimensions ?6 x 5 mm weight 0.30 g max. material al terminal pin type (au plating, hand soldering only) rohs yes note: we use the pascal (pa) indication of sensitivity as per the recomendation of i.e.c. (international electrotechnical commission). the sensitivity of pa will increase 20db compared to the ubar indication. example: -60db (0db = 1v/ubar) = -40db (1v/pa) appearance drawing 1.0 0.2 (2 plcs) terminal 1 terminal 2 1.90 0.2 + -0.0 (2 plcs) 5.0 0.2 4.4 0.2 6.0 0.25 0.4 0.05 (2 plcs) tolerances not shown: 0.3mm
page date description: electret condenser microphone 2 of 4 06/2008 20050 sw 112 th ave. tualatin, oregon 97062 p h o n e phone 503.612.2300 f a x fax 503.612.2383 part number: CMC-5044PF-A measurement circuit frequency response curve
page date description: electret condenser microphone 3 of 4 06/2008 20050 sw 112 th ave. tualatin, oregon 97062 p h o n e phone 503.612.2300 f a x fax 503.612.2383 part number: CMC-5044PF-A environment test item test condition high temp. test after being placed in a chamber at +70c for 72 hours. low temp. test after being placed in a chamber at -20c for 72 hours. humidity test after being placed in a chamber at +40c and 905% relative humidity for 240 hours. temp. cycle test the part shall be subjected to 10 cycles. one cycle will consist of: evaluation standard the part will be measured after being placed at +25c for 6 hours. after any tests, the sensitivity should be within 3db compared to the initial measurement. mechanical characteristics item test condition soldering heat resistance soldering iron of 270 5c should be placed on the terminal for 2 0.5 seconds. pcb wire pull strength the pull force will be applied to double lead wire: horizontal 4.9n (0.5kg) for 30 seconds vibration the part will be measured after applying a vibration amplitude of 1.5 mm with 10 to 55 hz band of vibration frequency to each of the 3 perpendicular directions for 2 hours. drop test the part will be dropped from a height of 1 m onto a 20 mm thick wooden board 3 times in 3 axes (x, y, z) for a total of 9 drops. evaluation standard no interference in operation. no damage or cutting off. after any tests, the sensitivity should be within 3db compared to the initial measurement. test conditions standard test condition a) temperature: +5 ~ +35c b) humidity: 45 - 85% c) pressure: 860-1060 mbar judgement test condition a) temperature: +25 2c b) humidity: 60 - 70% c) pressure: 860-1060 mbar
page date description: electret condenser microphone 4 of 4 06/2008 20050 sw 112 th ave. tualatin, oregon 97062 p h o n e phone 503.612.2300 f a x fax 503.612.2383 part number: CMC-5044PF-A packaging
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