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Summary of Contents for KEPO SMT-9640A
- Page 1 SPECIFICATION Customer : Applied To : Product Name : Magnetic Transducer Model Name : SMT-9640A Drawing No. : KP3.840.915R Compliance with ROHS Signature of Approval Signature of KEPO Approved by Checked by Issued by Date...
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Page 2: Table Of Contents
1. Scope 范围 2. General 概要 3. Electrical and Acoustic Characteristics. 电声参数 4. Reliability Test 可靠性试验 5. Measurement Block Diagram &Response curve 测试图和曲线图 6. Structure 结构 7. Dimensions 尺寸 8. Packing 包装 9. Revision 履历表 Ningbo Kepo Electronics Co.,Ltd. http://www.chinaacoustic.com... -
Page 3: Scope
Rated Voltage 额定电压 Operating Voltage 2~5V 工作电压 Max.Rated Current 90mA /5V 额定电流 Resonant Frequency 2731Hz 谐掁频率 Min.Sound Pressure Level 90dB/5V/10cm 额定声压 Coil Resistance 25± 3.8 Ω 直流阻抗 Coil Impedance 70 Ω 交流阻抗 Case Material/Color PPS/Black 壳体材质/颜色 Ningbo Kepo Electronics Co.,Ltd. http://www.chinaacoustic.com... -
Page 4: Reliability Test
1 hour. 热冲击试验 将产品置于 +85± 2 ℃试验箱中，先工作 1 小时，然后将产品置 于 -40± 2 ℃试验箱中，再工作 1 小时，经过 6 个循环后，在正常大 气压条件下恢复 1 小时，进行测量 20 Sec. +85 ℃ -40 ℃ 1 hour 1 hour Ningbo Kepo Electronics Co.,Ltd. http://www.chinaacoustic.com... - Page 5 Lead terminals are immersed in rosin for 5 seconds and then immersed in solder bath of +260± 5° C for 3± 0.5 seconds. Solderability 插针浸入松香 5 秒，然后再浸入 +260± 5° C 的锡炉中 3± 0.5 秒， 可焊性试验 插针表面应覆盖一层光滑明亮的焊料 . Ningbo Kepo Electronics Co.,Ltd. http://www.chinaacoustic.com...
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Page 6: Measurement Block Diagram &Response Curve
5. Measurement Block Diagram & Response curve 10cm 电磁式声响器 声级计 Magnetic transducer Sound meter MIC : ND10 普通声级计或等同品 MIC : ND10 S.P.L. or equivalent S.G. : DF1010 振荡器或等同品 S.G. : DF1010 Oscillater or equivalent 1KHz 2.5K 10KHz Ningbo Kepo Electronics Co.,Ltd. http://www.chinaacoustic.com... -
Page 7: Structure
Diaphragm SH415361/CHEM(B) 膜片 Case SH534731/CHEM(A) 壳体 Ring 铜套 T Core SH415361/CHEM(D) T 铁 Coil QANR SH568576/CHEM(A) 线圈 Magnetic ring SH437261/CHEM(A) 磁环 PCB with pin SH543760/CHEM(A) 带导针印制板 SH415360/CHEM(A) Part Name 数量 Material 认证号 型号 材质 Q'TY Ningbo Kepo Electronics Co.,Ltd. http://www.chinaacoustic.com... -
Page 8: Dimensions
Page 8/10 Specification for Magnetic Transducer Revision No. Model No. : SMT-9640A KP3.840.915R Drawing No. 7. Dimensions Date FIRST ANGLE PROJECTION UNIT ± 0.5 Tolerance : Ningbo Kepo Electronics Co.,Ltd. http://www.chinaacoustic.com... -
Page 9: Packing
Page 9/10 Specification for Magnetic Transducer Revision No. Model No. : SMT-9640A KP3.840.915R Drawing No. 8. Packing TRAY :SMT-9640A 1,000PCS INNER BOX :TRAY 1PCS TOTAL 1,000PCS LABEL POSITION CARTON BOX :INNER BOX 5PCS TOTAL 5,000PCS Ningbo Kepo Electronics Co.,Ltd. http://www.chinaacoustic.com... -
Page 10: Revision
Page 10/10 Specification for Magnetic Transducer Revision No. Model No. : SMT-9640A Drawing No. KP3.840.915R 9. Revision Rev. DATE PAGE DESCRIPTION SIGN primary 2006.01.13 Ningbo Kepo Electronics Co.,Ltd. http://www.chinaacoustic.com...
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