Date:
2/18/2008
MAIDA STYLE NUMBER
ONTACT
VARISTOR
SPECIFICATION SHEET
D7121ZOV500RA04
STANDARD SERIES
Electrical Specifications
Continuous AC Voltage
Continuous DC Voltage
Maximum DC Leakage @ Rated VDC
Low Varistor Voltage Limit
High Varistor Voltage Limit
Nominal Varistor Voltage
Current for Varistor Voltage
Maximum Clamp Voltage
Maximum Clamp Voltage Test Current
Peak Current Rating (1 Pulse)
Peak Current Rating (2 Pulse)
Energy Rating (8X20us)
Energy Rating (10X1000us)
Typical Capacitance
Impulse Response Time
Minimum Hipot of Coating
Minimum I.R. of Coating
<
50
VAC
Physical Specifications
Lead Style
Z Nominal
Z Tolerance
Lead Length Nominal
Lead Length Tolerance
Y Nominal
Y Tolerance
d Nominal
Wire Gauge
Minimum Marking
Nominal Disk Size
D Maximum
T Maximum
H Maximum
110B1
0.3
in.
0.04
in.
66
VDC
200
uA
74
VDC
90
VDC
1.00
in.
min.
in.
82
VDC
1
mA
0.054
in.
0.03
in.
147
V
30
A
0.032
20
in.
AWG
4000
A
2800
A
Z500-04UL
11
mm
J
19
J
1500
pF
0.531
in.
0.174
in.
0.656
in.
50
ns
2500
VDC
1000
ΜΩ
Thermal Specifications
Minimum Operating Temperature
Maximum Operating Temperature
Varistor Voltage Temperature Coeff
Minimum Storage Temperature
Maximum Storage Temperature
Current/Energy Derating Above 85°C
-40
°C
85
°C
-0.05
%/°C
-50
°C
125
°C
-2.5
%/°C
* Contact Maida for a more detailed configuration drawing.
Safety Agency Recognitions
UL 1449 File Number
UL 1414 File Number
DEVELOPMENT COMPANY
20 Libby Street
P.O. Box 3529
Hampton, Virginia 23663
(757) 723-0785
Fax (757) 722-1194
E86730
UL 497B File Number
CSA File Number
VDE File Number
SEV File Number
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