直插 压敏电阻 7D180K 7D220K 7D270K 7D330K 7D390K 7D470K
价格:电议
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ELECTRICAL CHARACTERISTICS 电气特性
ITEM 条目 TEST METHODS 测试方式
Standard Conditions:
标准环境:
Unless otherwise specified, all tests are made under environmental conditions as
given below除了特殊情况,所有测试都在通常环境情况中进行:
Temperature温度: 5~35°C
Relative humidity相对湿度: 45~85 % RH
Maximum Allowable Voltage
连续工作电压
Maximum continuous sine wave(RMS) or DC voltage which may be applied.
可连续加于压敏电阻器上而不致使压敏电阻器产生劣化情况的工作电压,
包括VDC/VAC两种情况。
Varistor Voltage
压敏电压
Voltage across the varistor measured at CmA DC.
特定的电流流经压敏电阻器时,在压敏电阻器两端所测得的电压值。
Varistor Voltage Temperature
Coefficient
压敏电压温度系数
Max. Clamping Voltage
通流容量
Peak voltage across the varistor with a specified peak impulse current of 8/20μs
waveform.
以特定的脉冲电流(8/20μs 波形)加在压敏电阻器上,在压敏电阻器上所得到
的电压。
Rated Power
额定功率
Maximum 50~60Hz power which may be loaded for 1,000 hrs at 85±2°C with
ΔVCmA/ VCmA ≤±10%.
在特定的环境温度85℃下工作1000 小时,使压敏电压变化小于10%的功
率。
The max. current within the varistor voltage change of less than ±10% when one
impulse current (8/20μs) applied.
以特定的脉冲电流(8/20μs波形)冲击压敏电阻器,使得压敏电压变化仍
Withstanding Surge Current 在±10%以内的冲击电流。
The max. current with a varistor voltage change of less than ±10% when two times
impulse current (8/20μs) are applied at intervals of 5 minutes.
以特定的脉冲电流(8/20μs波形)冲击压敏电阻器两次(每次间隔5 分钟),
使得压敏电压变化仍在±10%以内的冲击电流。
Energy
能量
The max. energy absorbed with a varistor voltage change of less than ±10% when
one impulse (10/1000μs) is applied.
在特定的环境温度85℃下工作1000 小时,使压敏电压变化小于10%的功
率。
Surge Life
The max. current with a varistor voltage change of less than ±10% when 10,000
times impulse current (8/20μs) are applied at intervals of 20 seconds at room
temperature.
在室温以特定的脉冲电流(8/20μs波形)冲击压敏电阻器10000次(每次间隔20
秒),使得压敏电压变化仍在±10%以内的冲击电流。