MICROWAVE CAPS
项目
技术规格
测 试 方 法
Technical Specification
Test Method and Remarks
Item
初始测量 Initial Measurement
循环次数:5 次,一个循环分以下 4 步:
Cycling Times: 5 times, 1 cycle, 4 steps:
项目
C0G
Item
阶段
Step
温度(Temperature)(℃)
时间(Time)
≤±1%或±1PF,取较大值
ΔC/C
≤±1% or ±1pF,whichever is larger
1
下限温度(Low- category temp.):
30min
温度循环
Temperature
Cycle
(NPO:-55)
同初始标准
Q
2
3
Same to initial value.
常温(Normal temp.) : +20℃
2~3min
30min
上限温度(Up- category temp.)
(NPO: +125 )
同初始标准
Same to initial value.
IR
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
Ⅰ类: ±7.5%或±0.75pF,取两者之中较大者
ClassⅠ: ±7.5% or ±0.75pF, whichever is
larger.
温度:40±2℃
湿度:90~95%RH
电压:额定电压
ΔC/C
时间:500 小时
≤2 倍初始标准
Not more than twice of initial value.
放置条件:室温
Q
耐湿负荷
Humidity load
放置时间:24 小时(Ⅰ类);48 小时(Ⅱ类)
Temperature: 40±2℃
Humidity: 90~95%RH
IR
Ri≥1000MΩ
Voltage: Rated Voltage
Duration: 500h
Recovery conditions: Room temperature
外观:无损伤
Appearance: No visible damage.
Recovery Time: 24h (Class1) or 48h (Class2)
低压产品(<100V)
电压:2 倍额定工作电压,
时间:1000 小时
C0G
ΔC/C
±2%或±1pF,取两者之中较大者
±2% or ±1pF, whichever is larger.
≤2 倍初始标准
温度:125℃
充电电流:不应超过 50mA
放置条件:室温
Q
Not more than twice of initial value.
放置时间:24 小时(Ⅰ类),或 48 小时(Ⅱ类),
寿命试验
Life Test
Ri≥4000MΩ或 Ri•CR≥40S 取两者之中较小
者
Low-Voltage(<100V)
Applied Voltage: 2*Ur
Duration: 1000h
IR
Ri≥4000MΩ或 Ri•CR≥40S
whichever is smaller.
Temperature:125℃
Charge/ Discharge Current: 50mA max.
Recovery Conditions: Room Temperature
Recovery Time: 24h (Class 1), or 48h (Class2)
外观:无损伤
Appearance: No visible damage.
◆ 典型特性曲线
Typical characteristic curve