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FHDQT4025A
FHDQT4025A
零件应在一个条件下（温度：5～35℃，湿度：45%～85%R.H.，大气压：860～1060hPa）进行测量，除非调节标准条件（温度：25±3℃，湿度为60±10%R.H.大气压：860~1060hPa）来进行测量。
关键词：蜂鸣器 | 喇叭| 物化片
产品描述
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APPROVAL SHEET FOR MYLAR SPEAKER 常州富鸿达电子有限公司 CHANG ZHOU FHD ELECTRONICS CO., LTD. CUSTOMER No.: |
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CLUE No.: |
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MODEL No.: |
FHDQT4025A-001 |
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OUR PART No.: |
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CUSTOMER PART No.: |
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Add: Xujia Industrial Park, ZhenLu Town, Changzhou City, Jiangsu China. 江苏省常州市天宁区郑陆镇工业大道2号 Tel: +86-519-83822009 Fax: +86-519-88739926 Email: sales@czfhd.com; http://www.czfhd.com
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1. Document revision history |
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修改时间 |
版本 |
修改页次 |
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1.SPECIFICATION |
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Speaker |
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1 |
Dimension |
40*25*H6.8mm |
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2 |
Impedance |
8Ω±20% at 2 KHz 1.0Vms Sine Wave |
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3 |
Rated Input Power |
1.5W |
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4 |
Max Input Power |
2.0W |
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5 |
Lowest Resonance Frequency |
1250HZ±20% at 1.0V Sine wave |
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6 |
Buzz Sound |
Must be free audible noise (buzzes and rattles)(F0 ~ 15KHz frequency range ,input level up to 2.83V) |
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7 |
Sound Pressure Level |
93±3dB(AT 0.1m/1.0W, Average at 1KHZ) |
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8 |
Distortion |
Not exceed 10% at 2KHz 1W |
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9 |
Operating Temperature |
-20℃～+60℃ |
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10 |
Store Temperature |
-30℃～+70℃ |
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2. Dimensions |
Unit: mm |
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*Unit: mm; Tolerance: ±0.3mm Except Specified |
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3.Reliability Test 可靠性測試
Sensitivity difference shall be within (3dB) and should satisfy the test described under item 14 after each following test |
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4.Electrical And Acoustical Measuring Condition |
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5.Frequency Response
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