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Summary of Contents for KEPO DAP1254A
- Page 1 SPECIFICATION QUARTZ Customer : 受 控 Applied To : Product Name : Magnetic Transducer Model Name : DAP1254A Drawing No. : OEM1866R Compliance with ROHS( 本品符合 ROHS 指令 ) Signature of Approval Signature of KEPO Approved by Checked by Issued by Date 2012.10.18...
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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
1.5V 额定电压 Operating Voltage 1~3V 工作电压 Max.Rated Current 40mA/1. 5V 额定电流 Resonant Frequency 2048Hz 谐掁频率 Min.Sound Pressure Level 75dB/1.5V/2048Hz/10cm 额定声压 Coil Resistance 16± 4 Ω 直流阻抗 Coil Impedance 40 Ω 交流阻抗 Case Material/Color NORYL/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 +70± 2 ℃试验箱中，先工作 1 小时，然后将产品置 于 -20± 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. +70 ℃ -20 ℃ 1 hour 1 hour Ningbo Kepo Electronics Co.,Ltd. http://www.chinaacoustic.com... - Page 5 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 . Terminal The force 10 seconds of 9.8N is applied go each terminal in Strength Pulling axial direction. 插针应承受 9.8N 拉力，拉力时间 10 秒，插针无松动和脱落等 插针强度试验 现象 . 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 Sound meter or equivalent S.G. : DF1010 振荡器或等同品 S.G. : DF1010 Oscillater or equivalent Ningbo Kepo Electronics Co.,Ltd. http://www.chinaacoustic.com... -
Page 7: Structure
Revision No. Model No. : DAP1254A Drawing No. OEM1866R 6. Structure Magnetic ring 磁环 印制板 Case NORYL 壳体 Coil QANR 线圈 T Core T 铁 Diaphragm 膜片 Remark Part Name 数量 Material 备注 型号 材质 Q'TY Ningbo Kepo Electronics Co.,Ltd. http://www.chinaacoustic.com... -
Page 8: Dimensions
Model No. : DAP1254A Drawing No. OEM1866R 7. Dimensions 蜂鸣器在 PCB 板中的布局图 (Layout of buzzer on PCB) minØ14 2-Ø0.8 Ø12 -0.2 KEPOA 喷码工艺 6.5± 0.2 2-Ø0.6 Ø8 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. : DAP1254A Drawing No. OEM1866R 8. Packing Picture 6000PCS QTY: 6000Pcs 460 x295 x350 Ningbo Kepo Electronics Co.,Ltd. http://www.chinaacoustic.com... -
Page 10: Revision
Page 10/10 Specification for Magnetic Transducer Revision No. Model No. : DAP1254A Drawing No. OEM1866R 9. Revision Rev. DATE PAGE DESCRIPTION SIGN primary 2010.10.09 印字内容更改,移印改成喷码 2012.10.18 Ningbo Kepo Electronics Co.,Ltd. http://www.chinaacoustic.com...
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