厂商 :东莞市厦禾电子有限公司
广东 东莞- 主营产品:
- 高压电容
- 陶瓷电容
- 碳膜电阻
联系电话 :15899916689
商品详细描述
NO |
ITEM 项目 |
TEST METHOD 测试方法 |
SPECIFICATION 规格 | ||||||||||||||
4.3 |
Load life 高温负荷 |
After X hours continuous application of DC rated working Voltage at 105 ± 在 105 ± 以下条件测试 . ( X : see specification of this series. 见该系列规格说明. ) |
Standard of judgment is according to requirement of this series . 判定标准依该系列要求 . | ||||||||||||||
4.4 |
Shelf life 高温无负荷 |
After storage for Y hours at 105 ± application , the measurements shall meet the following limits . Measurements shall be performed after exposed for 1 to 2 hours at room temperature after application of DC rated voltage to the capacitor for Z minutes . 在105 ± 以下条件测试 . 测试再是温露至1到2小时 , 施加直流定格电压Z分钟后进行 . ( Y.Z : see specification of this series. 见该系列规格说明. ) | |||||||||||||||
4.5 |
Storage at low Temperature 低温储存 |
The capacitor shall be stored at temperature of –40 ± 240 ± 8 hours , during which time no voltage shall be applied . And then the capacitor shall be subjected to standard atmospheric Conditions for 16 hours or more , after which measurements Shall be made . 电容器在–40 ± 加电压,然后在标准大气压中放置16小时以上 , 然后进行测 试 . |
Capacitance change : Within±10% of the initial value . 容量变化:最初测定值10%以内 Tanδ:Less than specified value . 损失角: 低于规定值 . Leakage current : Less than specified value . 泄漏电流: 低于规定值 . Appearance : no abnormal 外观 : 无异常 | ||||||||||||||
4.6 |
Pressure relief 防爆试验 |
AC test交流试验 : Applied voltage : AC voltage not exceeding 0.7 times of the rated direct voltage or 250 V AC whichever is the lower . 施 加 电 压 : 不超过定格电压0.7倍的交流电压或低于 交流电压250 V 的任意电压 . Frequency 频率 : 50 Hz or 60 Hz Series resistor: refer to the table below. 串联阻抗 : 参照下表
相当于试验频率的一半阻抗值 . |
AC test circuit 交流试验回路 S : Switch 开关 交流电压计 R : Protection resistor 保护电阻 Cx : Testing capacitor 供试电容器 |
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