20D330K 查看數據表（PDF） - SUNMATE electronic Co., LTD
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20D330K Datasheet PDF : 4 Pages
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Electrical Ratings
Items
Varistor Voltage
Maximum Allowable
Voltage
Test Condition/Description
The voltage between two terminals with the specified measuring current 1mA.DC applied is called
Vb.
The recommended maximum sine wave voltage (RMS) or the Maximum DC voltage can be
applied continuously.
The maximum voltage between two terminals with the specification standard impulse current.
Applied waveform: 8/20μs
I
1.0
0.9
B
Requirement
Maximum Clamping
Voltage
0.5
0.1
0.0
O1
C
T
T1
T2
T1=1.25*T=8μs±20%
T2=20μs±20%
To meet the
Specified value
t
30% max.
Rated Wattage
Energy
Withstanding Surge
Current
The maximum average power that can be applied within the specified ambient temperature.
The maximum energy within the varistor voltage change of ±10% when one impulse of 10/1000μs
or 2ms is applied.
The maximum current within the varistor voltage change of ±10% with the standard impulse
current (8/20μs) applied one time.
The change of Vb shall be measured after the impulse listed below which is applied 10,000 times
continuously with the interval of ten seconds at room temperature.
Δ
≤
Surge Life
20Φ series
180K to 680K
820K to 182K
100A (8/20μs)
200A (8/20μs)
Vb
Vb ±10%
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