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BCM9745P-44

08/05/17

BS/TEM01.061A

Customer approved

Customer P/N

Customer

BeStar Model Name

Approval:

Issue Date

Product No.

Approved by

Checked by

1.Characteristics

2.Appearance

3.Environment Test

4.History change record

Drawn by

No.199 HuangHe West Road.New district,changzhou,

jiangsu Province,P.R.China

Tel:86-519-88222567 Fax:86-519-88222551

Http:www.be-star.com

E-mail: wu@be-star.com, info@be-star.com

Issue No.

SPECIFICATION FOR

ELECTRET CONDENSER MICROPHONE

190408

Summary of content (5 pages)

PAGE 1
SPECIFICATION FOR ELECTRET CONDENSER MICROPHONE Customer Customer P/N BCM9745P-44 BeStar Model Name 190408 Product No. BS/TEM01.061A Issue No. Issue Date 08/05/17 Approval: 1.Characteristics 2.Appearance 3.Environment Test 4.History change record Drawn by Checked by Approved by Customer approved No.199 HuangHe West Road.New district,changzhou, jiangsu Province,P.R.China Tel:86-519-88222567 Fax:86-519-88222551 Http:www.be-star.com E-mail: wu@be-star.com, info@be-star.
PAGE 2
BCM9745P-44 H H 1. Characteristics Test Condition (Vs=2.5V RL=2.2K No. G F This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd. and shall not be used in whole or in part without its written content 1 E Item Ta=20°c R.H.=65%) Specifications G 1 Sensitivity -44 3dB(0dB=1V/Pa,1kHz) 2 Impedance 2.2K Ω 30% at1kHz 3 Directional Omnidirectional 4 S/N Ratio 5 Max. Input Sound Level 100dB S.P.L 6 7 Frequency Response Rate Voltage 20Hz-20kHz 2.
PAGE 3
1 2 BCM9745P-44 H H 2.Appearance black cloth Term 1: Output G G This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd. and shall not be used in whole or in part without its written content F F Term 2: Ground Tolerances: ±0.2mm E E Notes: 1. Not to scale 2. All dimensions are in millimeters 3. Item to be free of burrs and sharp edges D D Measurement Circuit: C C B B A A Rev.
PAGE 4
2 1 BCM9745P-44 H H 3.Environment Test 3.1 G 3.2 3.3 High temp.life test Temperature Duration Low temp.life test Temperature Duration Temperature cycle test Cycles +70 ℃ 200hrs G -25 ℃ 200hrs 5 This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd. and shall not be used in whole or in part without its written content F F 3.
PAGE 5
2 1 BCM9745P-44 H H 4. History change record This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd. and shall not be used in whole or in part without its written content Change Items version No. G Before Date Drawn 08.05.17 徐金国 Approved G After 张秀琴 F F E E D D C C B B A A 08/05/17 徐金国 Rev. Date Drawn Note Date: 08/05/17 Drawn by: 徐金国 Checked by: 李毕佳 Approved by: BCM9745P-44 A Microphone 张秀琴 www.be-star.com wu@be-star.