INDUSTRIAL MLCC
项目
Item
技术规格
Technical Specification
测 试 方 法
Test Method and Remarks
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℃
C≤10 nF, Ri≥50000MΩ
C>10 nF, Ri•CR≥500S
C≤25 nF, Ri≥10000MΩ
C>25 nF, Ri•CR≥100S
I类
绝缘电阻
(IR)
Insulation
Resistance
测试充放电电流:≤50mA
Measuring Voltage: Rated Voltage(Max 500V)
Duration: 60±5s
II类
Test Humidity: ≤75%
Test Temperature: 25℃±3℃
Test Current: ≤50mA
测量电压:
I 类:300% Ur
时间: 1~5 秒
Measuring Voltage:
I class:300% Ur
Duration: 1~5s
II 类:250% Ur
充/放电电流:不应超过 50mI
Ur<100V
II class :250% Ur
Charge/ Discharge Current: 50mA max.
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≤Ur
<500V
介质耐电强
不应有介质被击
穿或损伤
度(DWV)
Dielectric
Withstanding
Voltage
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.
500V≤Ur
≤1000V
No breakdown
or damage.
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.
1000V<Ur
≤2000V
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.
2000V<Ur
≤5000V
温度:125℃(NPO、X7R、X7T) 85℃(X5R)
项目
Item
105℃(X6S)
实验电压:不施加电压
Class I
Class II
ΔC/C
-10%~+10%
≤±1%或±1pF ,
实验时间:1000 小时
取两者中最大者
≤±1% or ±1pF,
whichever
is larger.
同初始标准
Same to initial value.
同初始标准
Same to initial value.
放置条件:室温
高温存储
High
Temperature
放置时间:24 小时(Ⅰ类);48 小时(Ⅱ类)
Temperature: 125 ℃(NPO、X7R、X7T) 85℃(X5R)
105℃(X6S)
Voltage: without
Duration: 1000h
Recovery conditions: Room temperature
Recovery Time: 24h (Class1) or 48h (Class2)
Exposure
DF
IR
预处理※(2 类):上限类别温度,1 小时 恢复:24±1h
Preheating conditions: up-category temperature, 1h
Recovery time: 24±1h
初始测量 Initial Measurement
循环次数:5 次,一个循环分以下 4 步:
项目
Class I
Class II
Item
ΔC/C
-10%~+10%
≤±1%或±1pF ,
取两者中最大者
≤±1% or ±1pF,
Cycling Times: 5 times, 1 cycle, 4 steps:
whichever is larger.
同初始标准
Same to initial value.
同初始标准
阶段
温度(Temperature)(℃)
时间(Time)
DF
IR
Step
1
温度循环
Temperature
Cycle
下限温度(Low- category temp.):
(NPO/X7R/X7S/X6S/X5R:-55
Y5V:-25 Z5U:+10)
30min
Same to initial value.
外观:无可见损伤
2
3
常温(Normal temp.) : +20℃
2~3min
30min
Appearance:No visible damage
上限温度(Up- category temp.)
(NPO/X7R/X7S: +125
Y5V/Z5U/X5R:+85 X6S:+105)
4
常温(Normal temp.) : +20℃
2~3min
试验后放置(恢复)时间:24±2h
Recovery time after test: 24±2h