HIGH VOLTAGE 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
测 试 方 法
Item
Technical Specification
Test Method and Remarks
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
容量
Capacitance
测试温度: 25℃±3℃
测试频率: 1KHz±10%
测试电压: 1.0±0.2Vrms
应符合指定的误差级别
Should be within the
specified tolerance.
Ⅱ类
ClassⅡ
Test Temperature: 25℃±3℃
Test Frequency: 1KHz±10%
Test Voltage: 1.0±0.2Vrms
测试频率
Measuring
Frequency
测试电压
Measuring
Voltage
标称容量
Capacitance
DF
Ⅰ类
ClassⅠ
≤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%
损耗角正切
(DF, tanδ)
Dissipation
Factor
≤0.15%
测试温度: 25℃±3℃
测试频率: 1KHz±10%
X7R
≤2.5%
Ⅱ类
ClassⅡ
测试电压: 1.0±0.2Vrms
≤7.0%(C<1.0µF)
≤9.0%(C≥1.0µF)
Test Temperature: 25℃±3℃
Test Frequency: 1KHz±10%
Test Voltage: 1.0±0.2Vrms
Y5V
测试电压:额定电压(最高 500V)
测试时间: 60±5 秒
测试湿度:≤75%
Ⅰ类
ClassⅠ
C≤10 nF, Ri≥50000MΩ
C>10 nF, Ri•CR≥500S
绝缘电阻
测试温度: 25℃±3℃
C≤25nF,Ri≥10000MΩ
测试充放电电流:≤50mA
Measuring Voltage: Rated Voltage(Max 500V)
Duration: 60±5s
Test Humidity: ≤75%
Test Temprature: 25℃±3℃
Test Current: ≤50mA
(IR)
Insulation
Resistance
X7R
Y5V
C>25nF,,Ri•CR>100S
Ⅱ类
ClassⅡ
C≤25nF,,Ri≥4000MΩ
C>25nF,,RiC >100S
R
将电容在 80~120℃的温度下预热 10~30 秒.
Preheating conditions:80 to 120℃; 10~30s.
上锡率应大于 95%
At least 95% of the terminal electrode is
covered by new solder.
外观:无可见损伤.
可焊性
有铅焊料:(Sn/Pb:63/37)
浸锡温度: 235±5℃
浸锡时间: 2±0.5s
无铅焊料:
浸锡温度: 245±5℃
浸锡时间: 2±0.5s
Solderability
Visual Appearance: No visible damage.
Solder Temperature:235±5℃
Duration: 2±0.5s
Solder Temperature: 245±5℃
Duration: 2±0.5s