TYPE
NFV20D
□□□
K
MODEL
PAGE
Oct. 15, 2001
B01
4/5
CITATION
DATE
SUBJECT
ELECTRICAL CHARACTERISTICS
REV.
4. ELECTRICAL CHARACTERISTICS
N0.
ITEM
PERFORMANCE
TEST METHODS
4.0
Standard
Conditions
Unless otherwise specified, all tests are made
under environmental conditions as given below:
Temperature: 5
35
℃
Relative humidity: 45
85 % RH
Maximum continuous sine wave(RMS) or DC
voltage which may be applied.
4.1
Maximum
Allowable
Voltage
Varistor Voltage V
1mA
:
Varistor Voltage
Temperature
Coefficient
AC :
DC :
*
(2)
Vrms
*
(2)
V
4.2
*
(2)
V
Voltage across the varistor measured at C
mA
DC.
V
CmA
at 85
℃
-
V
CmA
at 25
℃
1
V
CmA
at 25
℃
60
4.3
0
0.05 %/
℃
4.4
Max. Clamping
Voltage
*
(2)
V
at
*
(2)
A
Peak voltage across the varistor with a specified
peak impulse current of
8
×
20
μ
s waveform.
Maximum 50
60Hz power which may be
loaded for 1,000 hrs at 85
±
2
℃
with
△
V
CmA
/ V
CmA
≦±
10%.
The max. current within the varistor voltage
change of less than
±
10% when one impulse
current (8
×
20
μ
s) applied.
The max. current with a varistor voltage change
of less than
±
10% when two times impulse
current (8
×
20
μ
s) are applied at intervals of 5
minutes.
The max. energy absorbed with a varistor voltage
change of less than
±
10% when one impulse(10
×
1000
μ
s) is applied.
The max. current with a varistor voltage change
of less than
±
10% when 10,000 times impulse
current (8
×
20
μ
s) are applied at intervals of 20
seconds at room temperature.
4.5
Rated Power
*
(2)
W
4.6
Withstanding
Surge Current
*
(2)
A
4.7
Energy
*
(2)
Joule
4.8
Surge Life
*
(2)
A
*
(2) See Page 5
×
×
100