GENERAL MLCC
◆ 中高压电容器介质耐电强度的测试方法:
Measurement method of dielectric withstanding voltage for high voltage MLCC
额定电压范围
耐电性能的测试方法
Rated voltage range
Measuring Method
施加额定电压的 200%, 5 秒, 最大电流不超过 50mA
Force 200%Rated voltage for 5 second. Max..current should not exceed 50 mA.
100V≤Vr<500V
500V≤Vr≤1000V
1000V<Vr≤2000V
2000V<Vr≤5000V
施加额定电压的 150%, 5 秒, 最大电流不超过 50mA
Force 150%Rated voltage for 5 second. Max..current should not exceed 50 mA.
施加额定电压的 120%, 5 秒, 最大电流不超过 50mA
Force 120%Rated voltage for 5 seconds. Max..current should not exceed 50 mA.
施加额定电压的 120%, 5 秒, 最大电流不超过 10mA
Force 120%Rated voltage for 5 seconds. Max..current should not exceed 10 mA.
◆ 可靠性测试
Reliability Test
项目
技术规格
Technical Specification
测 试 方 法
Test Method and Remarks
Item
测试频率
Measuring
Frequency
测试电压
Measuring
Voltage
标称容量
Capacitance
应符合指定的误差级别
Should be within the
specified tolerance.
Ⅰ类
ClassⅠ
≤1000pF
1MHz±10%
1KHz±10%
1.0±0.2Vrms
>1000 pF
测试温度: 25℃±3℃
Test Temperature: 25℃±3℃
C≤10µF:
测试频率: 1KHz±10%
测试电压: 1.0±0.2Vrms
Test Frequency: 1KHz±10%
Test Voltage: 1.0±0.2Vrms
C>10µF
容量
Capacitance
应符合指定的误差级别
Should be within the
specified tolerance.
Ⅱ类
ClassⅡ
X7R、X5R、X7S、X6S、Y5V:
测试频率: 120±24 Hz
测试电压:0.5±0.1Vrms
Test Frequency: 120±24 Hz
Test Voltage: 0.5±0.1Vrms
Z5U:
测试频率:1±0.1KHz
测试电压:0.5±0.05Vrms
Test Frequency: 1±0.1KHz
Test Voltage: 0.5±0.05Vrms
Ⅰ类
ClassⅠ
C≤10 nF, Ri≥50000MΩ
C>10 nF, Ri•CR≥500S
测试电压:额定电压(最高 500V)
测试时间: 60±5 秒
测试湿度:≤75%
测试温度: 25℃±3℃
测试充放电电流:≤50mA
Measuring Voltage: Rated Voltage(Max 500V)
Duration: 60±5s
Test Humidity: ≤75%
Test Temperature: 25℃±3℃
Test Current: ≤50mA
X7R/X5
R/X7S/X
6S
绝缘电阻(IR)
Insulation
Resistance
C≤25 nF, Ri≥10000MΩ
C>25 nF, Ri•CR>100S
Ⅱ类
ClassⅡ
C≤25 nF, Ri≥4000MΩ
C>25 nF, Ri•CR>100S
Y5V
Z5U
测试频率
Measuring
Frequency
测试电压
Measuring
Voltage
标称容量
Capacitance
DF
损耗角正切
Ⅰ类
ClassⅠ
(DF, tanδ)
Dissipation
Factor
≤0.56%
Cr<5 pF
1MHz±10%
1MHz±10%
1MHz±10%
1KHz±10%
1.5[(150/Cr)+7]×10-4
5pF≤Cr<50 pF
50pF≤Cr≤1000 pF
>1000 pF
1.0±0.2Vrms
≤0.15%
≤0.15%