SPECIFICATION FOR ELECTRO-MAGNET DYNAMIC MICROPHONE TOTAL PAGE 06 www.bestargroups.com RoHS Customer Model Name BCM9750ULF-47-J50 LF Customer P/N Product No. Date 7 Oct.2014 01 of 07 Page Issue No. Issue Date 195149 BS/TEM01.450A 2014.10.07 Approval: 1.Characteristics 2.Drawing 3.Measurement Circuit 4.Reliability Test 5.Packing 6.History change record Drawn by Checked by Approved by Customer approved BESTAR HOLDING CO.,LTD No.199 HuangHe West Road.New district,ChangZhou,JiangSu Province,P.R.China Tel: +86 519 88222567 Fax: +86 519 88222551 www.bestargroups.com info@be-star.com http://www.bestargroups.com 2 H BCM9750ULF-47-J50 LF 1. Characteristics Test Condition (Vs=2V G No. F E H RL=2.2K Ta=20 R.H.=65%) Item -4 73dB(0dB=1V/Pa,1kHz) Sensitivity 2 Frequency Response 3 Current Consumption 4 Directional umnidirectional 5 S/N Ratio more than 58dB 6 Standard Operating Voltage 7 Operating Voltage 8 Sensitivity reduction 9 G Specifications 1 100Hz-10kHz 0.5mA Max. F 2V 1V~10V E within -3dB at 1.5V Distortion 2% 10 Storage Temperature -40C to +70C 11 Operating Temperature -30C to +60C D D Frequency Resonse Curve Relative Response (dB) This print and information there in are proprietary to Bestar H olding Co., Ltd. and shall not be used in whole or in part without its written content 1 C C 0 180 B B Frequency(Hz) 2014.10.07 Date: A A 2014.10.07 Rev. Date Drawn Note Drawn by: Checked by: Approved by: www.bestargroups.com BCM9750ULF-47-J50 LF wu@be-star.com Microphone DRG NO: BS/TEM01.450A 2 BS/QDTE045B Page: 2 of 7 1 A 2 1 BCM9750ULF-47-J50 LF H H This print and information there in are proprietary to Bestar H olding Co., Ltd. and shall not be used in whole or in part without its written content Angular Response G G F F 2. Drawing Terminal2 "-" filter E E D D Unit: mm Terminal1 "+" Terminal2 "-" Black pin 1 "-" C C pin 2 "+" Red UL3302 30# Connector: JST Housing: GHR-02V-S Terminal1 "+" B Crimp pins: 2014.10.07 Date: A A 2014.10.07 Drawn by: Checked by: Approved by www.bestargroups.com Microphone DRG NO: BS/TEM01.450A 2 BS/QDTE045B B BCM9750ULF-47-J50 LF wu@be-star.com SSHL-002T-P0.2 Page:3 of 7 1 A 2 1 BCM9750ULF-47-J50 LF H H 3. Measurement Circuit: G G FET impedance Converter C:1F Terminal 1 Output Power Supply F ECM unit 2.0V F RL=2.2K GND This print and information there in are proprietary to Bestar H olding Co., Ltd. and shall not be used in whole or in part without its written content Terminal 2 Shield Case E E D D C C B B 2014.10.07 Date: A A 2014.10.07 Drawn by: Checked by: Approved by www.bestargroups.com BCM9750ULF-47-J50 LF Microphone wu@be-star.com DRG NO: BS/TEM01.450A 2 BS/QDTE045B Page:4 of 7 1 A 2 H 1 H BCM9750ULF-47-J50 LF 4.Reliability Test 4.1 High temp.life test Temperature Duration Low temp.life test Temperature Duration Temperature cycle test Cycles G 4.2 4.3 G + 70C 100hrs -40 C 100hrs 10 This print and information there in are proprietary to Bestar H olding Co., Ltd. and shall not be used in whole or in part without its written content F F 4.4 E 4.5 D 4.6 4.7 C 4.8 Humidity Test Temperature +40 C Relative Humidity 90~95% Duration 48hrs Tests above should be measured after leaving normal temperature for 6hrs. Vibration Test Vibration Frequency 10~55Hz Amplitude 1.52mm/min Direction 3(x.y&z) Duration 2hrs each cycle(total 6 hrs) Drop test Height 1m (Dropped to 20mm thick hardwood board without packing.) Direction 3 Soldering Heat Shock . Temperature 260 5c Duration 2 0.5 sec Terminal Mechanical Strength Strength 1kg Duration 1 min D C Notice: All specifications must be satisfied in this condition. Sensitivity :Allowable deviation within 3dB from initial sensitivity. B 2014.10.07 Date: A E A Rev. 2014.10.07 Date Drawn Note Drawn by: Checked by: Approved by: www.bestargroups.com BCM9750ULF-47-J50 LF wu@be-star.com Microphone DRG NO: BS/TEM01.450A 2 BS/QDTE045B B Page: 5 of 7 1 A 2 1 BCM9750ULF-47-J50 LF H H 5. Packing 100PCS per anti-static bag G G 500 PCS 5 anti-static bags per middle box F E E 4500PCS 9 middle boxes per carton D D 207 This print and information there in are proprietary to Bestar H olding Co., Ltd. and shall not be used in whole or in part without its written content F C 233 363 Remark: 100 pcs per anti-static bag 5 anti-static bags per middle box 9 middle boxes per carton Total 4500pcs per carton Size: 363 x233x207(mm) B 2014.10.07 Date: Drawn by: A A 2014.10.07 Date Drawn Note C Checked by: Approved by: www.bestargroups.com BCM9750ULF-47-J50 LF wu@be-star.com Microphone DRG NO: BS/TEM01.450A 2 BS/QDTE045B B Page: 6 of 7 1 A 2 H 1 BCM9750ULF-47-J50 LF H 6. History change record version No. After Before A G This print and information there in are proprietary to Bestar H olding Co., Ltd. and shall not be used in whole or in part without its written content Change Items Date Drawn 2014.10.07 Approved G F F E E D D C C B B 2014.10.07 Date: Drawn by: A A Rev. 2014.10.07 Date Drawn Note Checked by: Approved by: www.bestargroups.com BCM9750ULF-47-J50 LF wu@be-star.com Microphone DRG NO: BS/TEM01.450A 2 BS/QDTE045B Page: 7 of 7 1 A