错误!未知的文档属性名称 |
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Hardware Guide | Electrical and Reliability Features | |||
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| Item | Test Condition | Standard |
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| Damp heat cycling | High temperature: 55±2 ºC | IEC60068 |
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| Low temperature: 25±2 ºC |
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| Humidity: 95% |
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| Repetition times: 4 |
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| Test duration: 12h + 12h |
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| Temperature shock | Low temperature: | IEC60068 |
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| High temperature: 85±2 ºC |
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| Temperature change interval: < 30s |
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| Test duration: 15min |
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| Repetition times: 100 |
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| Salty fog test | Temperature: 35°C | IEC60068 |
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| Density of the NaCl solution: 5±1 % |
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| Spraying interval: 8h |
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| Duration of exposing the module to |
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| the temperature of 35°C: 16h |
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| Sine vibration | Frequency range: 5Hz to 200Hz | IEC60068 |
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| Acceleration: 10m/s2 |
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| Frequency scan rate: 1oct/min |
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| Test period: 3 axial directions. Five |
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| circles for each axial direction. |
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| Shock test | IEC60068 |
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| Peak acceleration: 300m/s2 |
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| Shock duration: 11ms |
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| Test period: 6 axial directions. One |
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| shock for each axial direction. |
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| Clash test | IEC60068 |
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| Peak acceleration: 180m/s2 |
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| Pulse duration: 6ms |
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| Repetition time: 6 directions. 1000 |
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| times for each direction. |
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| Drop test | First case: 0.3m in height. Drop the | IEC60068 |
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| MC509 module on the marble |
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| terrace with one surface facing |
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| downwards twice. Six surfaces |
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| should be tested. |
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| Second case: 0.8m in height. Drop |
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| the MC509 module on the marble |
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| terrace with one surface facing |
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| downwards twice. Six surfaces |
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| should be tested. |
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Issue 01 | Huawei Proprietary and Confidential | 53 | |
Copyright © Huawei Technologies Co., Ltd. | |||
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