+-LORN BE Electret Condenser Microphone Units Address: VOR ITH Be BB BPRS Shenzhen Horn Electroacoustic Technology Co.,Ltd SPEC.SHEET NO: W031206009 Tel:(86)755-28121370/ 28121371/28 1094 16/28 109419 Block 9,Shuiwei Ind Zone,Shuiwei New Fax: (86}755-28109417 Village, Dalang, Longhua,Shenzhen, Guangdong.China 518109 E-mail: rd@horn.com.cn Website: www.horn.com.cn CUSTOMER: Digi-Key Corporation APPROVAL SHEET PRODUCT NAME | PART NUMBER | DIMENSION Electret Condenser EM1050-38 | @10.0x5.0(mm) Microphone APPROVED BY CHECKED BY ISSUED BY AO VE iJ ae APPROVED BY DATE: PART NUMBER : EM1050-38+-LORNEA WITREBBENRARAA Shenzhen Horn Electroacoustic Technology Co.,Ltd Address: Electret Condenser Microphone Units Block 9,Shuiwei Ind Zone,Shuiwei New Village,Dalang,Longhua,Shenzhen, Guangdong.China 318109 SPEC.SHEET NO: W031206009 Tel:(86)755-28121370/ 28121371/281094 16/28 109419 Fax: (86)755-28109417 E-mail: rdi@horn.com.cn Website:www.horn.coni.cn SPECIFICATION Item Symbol Test conditions Min | Standard Max Unit Sensitivity S | f=IKHz.Pin=1Pa | -40 | -38 | -36 | dB Directivity Omnidirectional Impedance Zout 2.2 KQ Input sound SPL 100 | dB pressure level Operation voltage Vs - 1.0 4.5 10 Vv Current consumption I f=1KHz. Pin=1Pa. 500 uA Sensitivity reduction AS ee -3 dB S/N ratio S/N(A) | TSE. Pin=IPa | 60 dB Measurement Circuit (Test Condition Vs=4.5V Ri=2.2KQ Ta=20 R.H=65%) FET impedance converter CT () Output nena! ECM +Vs unit fy Shield case ~ O Ground Term.2 PART NUMBER : EM1050-38+-LORNES RIUTRASSARARAA Electret Condenser Microphone Units Shenzhen Horn Electroacoustic Technology Co.,Ltd SPEC.SHEET NO: W031206009 Address: Tel:(86)755-28 121370/ 28 121371/281094 16/28 109419 Block 9,Shuiwei Ind Zone,Shuiwei New Fax: (86)755-28109417 Village,Dalang,Longhua,Shenzhen, E-mail: rd@horn.com.cn Guangdong,China 518109 Website: www.horn.com.cn Dimensional Drawing unit: mm Filter D ~~ F A c_jL B | PART MIN STANDARD | MAX REMARK A 09.8 10.0 10.2 B 4.8 5.0 5.2 C 0.1 0.2 0.3 D - - 0.8 Typical Frequency Response Curve +20 +10 dB -10 -20 20 50 100 200 500 1K 2K 5K 10K 20K Frequency(Hz) PART NUMBER : EM1050-38+-LORNES MRABEAHERAA Electret Condenser Microphone Units Shenzhen Horn Electroacoustic Technology Co.,Ltd SPEC.SHEET NO: W031206009 Address: Tel:(86)755-28121370/ 28 121371/281094 16/28 109419 Block 9,Shuiwei Ind Zone,Shuiwei New Fax: (86)755-28109417 Village,Dalang,Longhua,Shenzhen, E-mail: rd@horn.com.en Guangdong,China 518109 Website: www.horn.com.cn Ambient condition (1) Operating condition (2) Storage condition Ambient temperature: -10C ~+45C Ambient temperature: -20C ~+60C Relative humidity: S 85% Relative humidity: 45% ~ 75% Reliability Test 1) Vibration Test To be no interference in operation after vibration of full amplitude 2mm for 30 minutes at three axis, the sensitivity to be within +/-3dB from initial sensitivity. 2) Drop test To be no interference in operation after dropped to concrete floor each time from 1 meter height of three directions in state of packing, the sensitivity to be within +/-3 dB from initial sensitivity. 3) High Temperature Storage: To be no interference in operation after high temperature test 70C +/-3C for 48 hours. The sensitivity to be within+/-3dB from initial sensitivity. 4) Isotherm & Iso-humidity Storage To be no interference in operation after storage test at temperature 60C +/-2C and relative humidity(93+/-3%) for 48 hours, the sensitivity to be within +/-3dB from initial sensitivity, the test is performed at temperature 20C after operation for 6 hours. 5) Low Temperature Storage To be no interference in operation after test at temperature -20C +/-3C for 48 hours, the sensitivity to be within +/-3 dB from initial sensitivity. 6) Temperature Cycle Test After exposure at +55+/-2C for | hour, at 20+/-2C for I hour. at -10+/-2C for 1 hour, at 20+/-2Cfor 1 hour, with 5 cycles. Change of sensitivity within +/-3dB from initial measuring should be done after 2 hours exposed to 20C +2C). 7) Collision Test After collided with the acceleration 100+/-10m/s, at the vertical & horizontal directions for 1000+/-10 times. at the state of packing. Change of sensitivity within +/-3 dB from initial. PART NUMBER : EM1050-38+-LORRN 5 Electret Condenser Microphone Units was oy SiN AU HO EEA BE ZS AYA SHENZHEN HORN ELECTROACOUSTIC TECHNOLOGY CO.,LTD TEST RESULT OF SAMPLES NO. 1KHz (dB) CURRENT (mA) NOTES 1 -37.8 0.19 2 -38. 6 0.17 3 38.5 0.18 4 38.4 0.19 5 -37.7 0.16 6 -38 0.19 7 -38. 3 0.17 (1KHz. 0dB=1V/Pa) 8 -37.8 0.17 9 -38. 2 0.19 10 | -38.2 0.19 iW | -38.7 0.17 12 | -38.6 0.15 a | 13 | 38.8 0.21 \ ie. 14 | -38.7 0.21 \ es. , Is | -39.2 0.2 Customer: Digi-Key Corporation Part number: EMI1050-38 Test condition: 2.2KQ2 4.5V Date: 2003.12.09 Sensitivity: -38+2dB Tester: Gl FORM-H119 (1.0 ) P1OF 1LL ap aay! HSS :-3PoOW ST:60:9T 00Z-3aa-80 ns & UHL < *>NOILIGQNOOD LSal CZHHT) @Peo 6e- *ALINQILISNGS HE *aao9 BE-OSOTHWA * TOQOW 40S 45 2H 00S 0S 09- 05- OF- OE- dP 02Z- OT- ed/n OOO" T 34 aP asuodsay I :v puny HSS = aang Baty ve #GP25" BE-+ Ax ZHAOOOO T+ X "11'02 ASOTONHOGL DILSNOOVOULIATA NHOH NaHZNdHS+-LOfn 82 Electret Condenser Microphone Units RAI PR BALE IRD 3] SHENZHEN HORN ELECTROACOUSTIC TECHNOLOGY CO. , LTD TEL: 86~755-28121370/28121371/28109416/281 09419 FAX: 86-755-28109417 Website:www. horn. com. cn E-mail: rddhorn. com. cn Certificate of Confirmed Products Date: Dec. 07. 2003 NO: W031206008 SUPPLIER HORN BUYER Digi-Key Corporation TITLE ECM MODEL EM1050-38 SIZE o 10.0 x 5.0mm TEST CONDITION 2.2KQ 4.5V QUANTITY SAMPLE: 15PCS SPECIFICATIONS Sensitivity -38+2dB (O0dB=1V/Pa. 1KHz ) Directivity Omnidirectional Impedance Low impedance Standard operation voltage 4, 5V Operation voltage 1. 0-10V Current consumption Max 500uA Maximum input S.P.L 100dB S/N ratio More than 60 dB Sensitive reduction within-3dB at 1.5V The test result from customers Signature: _ . 2003 Final confirmed Pass Refuse Accepted basis on Remarks +exee* The form must be confirmed by return fax after your test as your best regards! +***** FORM-132(1.0 ) P1 OF 1