Draft Version 1.1 SG ACOUSTICS CO.,LTD SPECIFICATIONS Item : Micro Speaker Model : SG-178B9 팅크웨어 Prepared Checked Approved Prepared Checked Approved 최경수 김영학 강신원 Sign Name SG ACOUSTICS Sign Name SG ACOUSTICS CO., LTD. SG ACOUSTICS CO.,LTD #425 WOOLIM LION’S VALLY CHEONG CHEON-DONG BOOPYEONG-GU IN CHEON-SI. KOREA TEL L : (8232)623 (8232)623-6111,2 6111 2 FAX : (8232)623-6114 Date. SGQP-0506 1/12 Dec . 21.
Draft Version 1.1 SG ACOUSTICS CO.,LTD SPECIFICATIONS History Version 1.0 1.1 SGQP-0506 Date 11.12.21 11.12.21 Status Handled by draft Q.C : H.S.KIM M.E : S.W.KANG A.E : K.S.CHOI draft Q.C : H.S.KIM M.E : S.W.KANG A.E : K.S.
Draft Version 1.1 SG ACOUSTICS CO.,LTD CONTENTS 1. SCOPE 2. MECHANICAL LAYOUT & DIMENSIONS 3. ELECTRICAL AND ACOUSTICAL CHARACTERISTICS 4 STRUCTURE OF MICRO SPEAKER 4. 5. GENERAL REQUIREMENTS 6. RECOMMEND STORAGE CONDITION 7. HANDLE WITH CARE 8. REGARDING THE CLEANER USAGE 9. GUARANTEE TERMINATION 10 RoHS 10. HS 11. MTTF(Mean Time To Failure) 12. CQP TEAM MEMBER CONTACT LIST 13. QUALIPICATION TESTS 14. OUTGOING INSPECTION 15. T TEST ST AN AND INSP INSPECTION CTION M METHOD THO 16. SOLDER TYPE(MAKER) 17.
Draft Version 1.1 SG ACOUSTICS CO.,LTD 1.SCOPE THIS SPECIFICATION IS APPLIED TO THE MICRO SPEAKER (SG-178B9) WHICH IS USED AS THE CELLULAR PORTABLE PRODUCT. 2.MECHANICAL LAYOUT & DIMENSIONS SHOWN IN PAGE 12. (∅ 17 * 3.55T) 3.ELECTRICAL AND ACOUSTICAL CHARACTERISTICS (AT 20°C) 3.1 SOUND PRESSURE LEVEL CTQ 89± 3dB SPL AT 0.1W / 0.1m(AVERAGE ( AT 0.8k,, 1.0k,, 1.2k,, 1.5kHz), ), 0dB=20μPa μ INPUT VOLTAGE : 0.89V 3.2 NOM. /MAX. INPUT POWER : 0.8W/1.2W 3.3 IMPEDANCE : 8Ω ± 15%(AT 1.2kHz, 1V) CTQ 3.
Draft Version 1.1 SG ACOUSTICS CO.,LTD 5. GENERAL REQUIREMENTS 5.1 WEIGH : APPR. 1.74g ± 0.3g 5 2 OPERATING TEMPERATURE RANGE : -40°C 5.2 40°C TO 85°C 5.3 STORAGE TEMPERATURE RANGE : Temperature : 20 ± 5°C, Humidity : 50 ± 5°C 6. RECOMMEND STORAGE CONDITION 6.1 상온(20~25°C)직사광선을 받지 않고 통풍이 되는 곳에서 관리 할 것. 6.2 5단 이상 적재 하지 마십시오. 7. HANDLE WITH CARE 7 7.1 임의로 분해하지 마십시오. 7.2 열이나 무리한 충격, 습기나 철 가루 또는 부식성 가스가 많은 곳에 보관하지 마십시오. 8.REGARDING THE CLEAR USAGE 제품특성에 영향을 미칠 수 있으므로 세척제 사용을 금함. 9.
Draft Version 1.1 SG ACOUSTICS CO.,LTD 13.QUALIFICATION TESTS - AFTER TEST Measurement shall be done after 24 hours of conditioning at 20℃. Sensitivity difference at 1kHz shall be within ±3dB from initial value after test. - HIGH TEMPERATURE TEST(IEC 60268-5-25.1) High temperature : +85°C ± 2°C Duration : 96 hours - HUMIDITY TEST(IEC 60268-5-25.2) T Temperature t : 60°C ± 2°C Relative humidity : 95% Duration : 88 hours - LOW TEMPERATURE TEST (IEC 60268-5-25.
Draft Version 1.1 SG ACOUSTICS CO.,LTD 15.TEST AND INSPECTION METHOD. 15.1 겉모양 : 파손/이물/납땜상태/P.C.B 들뜸/ 마킹 상태/P.C.B 평탄도 확인 15 2 치수 : 제품 도면에 작성된 측정 부위를 측정. 15.2 측정 15.3 성능 : 음압, 소비전류, 파형상태 확인 16. SOLER TYPE(MAKER) 16.1 PB-FREE : SR-34 SUPER(HSE02) 17. PASS/REJECT STANDARD 판정기준 납땜불량 / 마킹 불량 WIRE 및 ELCO에 이물이 없어야 한다. PCB 들뜸 및 방향 틀어짐. 겉모양 납땜 불량 (치명 불량 이외의 불량)이 없어야 한다. BURR / 변형 / 찍힘 / 몰딩 불량이 없어야 한다. 치수 제품 도면 규격에 따른다. 음압 및 파형 상태 검사 시 무감. SHORT / SPL ± 3dB 벗어남이 없어야 한다. 성능 공진 주파수 높음 파형 찌그러짐이 없어야 한다.
Draft Version 1.1 SG ACOUSTICS CO.,LTD 18. RELIABLITY MEASUREMENT FLOW Random sampling or reliability test Measure the initial Sensitivity, Strange Sound, Fo Repeat the reliability test Put Micro Speaker under The reliability test condition Analyze the defect reason Measure the sensitivity, Strange Sound, Fo After reliability test NG Evaluation of sample ( (initial sen.
Draft Version 1.1 SG ACOUSTICS CO.,LTD 19. ELECTRICAL CHARACTERISTICS MEASUREMENT Power Amplifier (B&K) Type 2716C Audio Analyzer (B&K) Type 2012 10 cm 1 Dynamic Speaker SG-178B9 2 Standard Baffle Box 52cm x 56cm 3 Microphone B & K 4191 4 Analyzer B & K 2012 대기 조건 (IEC K60268-1) 온도: 15℃ ~ 35℃ 상대 습도: 25% ~ 75% 대기압: 86kPa ~ 106kPa (860mbar ~ 1060mbar) 20. CHARACTERISTICS GRAPH (MICRO SPEAKER) A: Frequency Response, Magn dB re 20.
MARKING STAM MP 3 RED(+) 4 3.5 Year 2009년:9 2010년:10 . . Month 1월:A 2월:B 3월:C . . 50mm± 3.0 3 mm ? 17.0 ※ GENERA AL TOLERANCE (mm) : ± 0.50 No ME PART NAM Q,TY 1 FRAME 1EA MATE ERIAL PBT GLASS 30% 2 R PROTECTOR 1EA SUS 304 1/2H (0.15T) 3 P.C.B 1EA EPOXY FR-4 4 BOND - ADHESIVE FOR PROTECT P 5 REEN FRONT SCR 1EA Filter : #230, TAPE : SK806 6 BACK SCREEN 1EA E : SK806B 전고0.
SG-178B12 PAD PAD-178B12-100 11/12
SG-178B9 BOX BOX-178B9-100 12/12
