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Performance characteristics
Characteristics
Standard test condition
Varistor voltage
Maximum
allowable voltage
Clamping voltage
Rated power
Maximum energy
Maximum
peak current
(Withstanding surge
current)
Temperature coefficient
of varistor voltage
Impulse life（Ⅰ）
Impulse life（Ⅱ）
Recommendation land size
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
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Electrical measurements (initial/after tests) shall be conducted at temperature of 5 to
35 ℃, relative humidity of maximum 85 %.
The voltage betwen two terminals with the specified measuring current 1 mA
DC applied is called V
or V
1
1 mA
possible to avoid heat affection.
The maximum sinusoidal RMS voltage or maximum DC voltage that can be
applied continuously.
The maximum voltage between two terminals with the specified
standard impulse current (8/20 μs) illustrated below applied.
The power that can be applied in the specified ambient temperature.
Maximum energy of less than ±10 % of the varistor voltage
change when the standard impulse (2 ms) is applied one time.
Maximum current of less than ±10 % of the varistor voltage change
when impulse current (8/20 μs) is applied twice continuously with an interval
of 5 minutes.
V
at 85 ℃ −V
at 25 ℃
1 mA
1 mA
V
at 25 ℃
1 mA
The change of Vc shall be measured after the specified impulse is
applied 10000 times continuously with an interval of 10 seconds at room
temperature.
Part No.
ERZVF□M220 to ERZVF□M680
ERZVF□M820 to ERZVF□M271
ERZVF□M331 to ERZVF□M471
The change of Vc shall be measured after the specified impulse is
applied 10000 times continuously with an interval of 10 seconds at room
temperature.
Part No.
ERZVF□M220 to ERZVF□M680
ERZVF□M820 to ERZVF□M271
ERZVF□M331 to ERZVF□M471
8.0
5.0
10.0
Test methods
. The measurement shall be made as fast as
1
×
×
100(%/℃)
60
Waveform
8/20 μs
8/20 μs
8/20 μs
Waveform
8/20 μs
8/20 μs
8/20 μs
SMD type / VF series
Specifications
―
To meet the
specified value.
0 to ‒0.05 %/℃
Current
ΔV
/V
1 mA
1 mA
18Ａ
50Ａ
30Ａ
Current
ΔV
/V
1 mA
1 mA
12Ａ
35Ａ
20Ａ
Land
Product
Occupied
Space
Unit : mm
≦±10 %
≦±10 %
14-Dec-20
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