P. 1/11 Drawing No. JGB40-1497PRE Specification of Piezoelectric Sounder PKMCS0909E4000-R1 February 7, 2013 Date 1. Scope This product specification is applied to the piezoelectric sounder used for sounder in alarm sys- tems. Please contact us when using this product for any other applications than described in the above. 2. Part Number 2-1 :PKMCS0909E4000-R1 Murata Part Number 2-2 : Customer s Part Number 2-3 : Customer s Drawing Number 3. Maximum Rating Item Specification 3-1 12.5Vo-p /max Maximum Input Voltage 3-2 -40 +85 Operating Temperature Range -40 to +85C 3-3 -40 +85 Storage Temperature Range - 40 to +85C Murata Manufacturing Co.,Ltd. P. 2/11 Drawing No. JGB40-1497PRE 4. Electrical Characteristics Item Specification 4-1 65dB /min. Sound Pressure Level Refer to next item for measuring method. 5. Measuring Method 5-1 S.P.L. Measuring Circuit 1.5Vo-p, 4kHz, Input Signal1.5Vo-p, 4kHz, Square wave 0.1m Mic. Pre Amp. Audio Analyzer Piezoelectric Sounder Measuring equipment /Mic. Type4191 (Brel & kjr) / or Equivalent /Pre Amp. Type2669 (Brel & kjr) / or Equivalent / Audio Analyzer Type3560C (Brel & kjr) / or Equivalent 5-2 Measuring Condition 0.1m+2536010R.H. +5+35,4585% After mounting products on PCB(0.1m), standard conditions for the measurement shall be +253C temperature and 60 10%R.H. humidity. The measurement shall be performed at the temperature of +5 to +35 C and the humidity of 45 to 85%R.H. unless otherwise the result is doubtful. Murata Manufacturing Co.,Ltd.