SV Series
Special Medium Voltage Leaded Varistors
Stackpole Electronics, Inc.
Resistive Product Solutions
Description
The SV Series of transient voltage suppressors are epoxy-coated square or
rectangular shaped leaded varistors with AC operating voltage ranging 60V to
550V. There are two versions of these varistors.
The standard version of square varistors, featuring extremely high-current and
high-energy capabilities and low clamping voltages, provides an increased
level of protection necessary for the transients expected in telecommunications
and AC power networks. Compared to standard disc varistors, SV series
varistors realize electrical equivalent values in smaller nominal dimensions.
In the custom version of the SV series, a customer can design (on their own or with our help) an optimum varistor with
minimum dimensions to satisfy a specific application. A customer can choose from the following parameters: non-
standard DC/AC operating voltage, leakage current, clamping voltage, maximum surge current, energy absorption level,
maximum dissipation power, as well as shape (dimensions being the function of required electrical parameters and vice-
versa.
Features
Standard Varistor Types
•
AC operating voltage (Vrms) from 60V to 680V
•
DC operating voltage (Vdc) from 85V to 895V
•
6 model sizes equivalent to standard disc
varistors from 5mm to 23mm
•
Smaller nominal dimensions
•
Broad range of current and energy handling
capabilities
•
+85ºC continuous operating temperature
•
Low clamping voltage
•
Available with straight and crimped leads
•
UL, CAC, CEDD approved
•
Available in tape and reel for automatic pick and
place
Full Custom Parameter Design Varistors
•
AC operating voltage range (Vrms) from 60V to 680V
•
DC operating voltage (Vdc) from 85V to 895V
•
Indefinite number of both square and rectangular shape,
the maximum one being 23x23mm
•
Broad range of current and energy handling capabilities
•
+85ºC continuous operating temperature
•
Electrical parameters available for custom designs are:
AC/DC operating voltage, leakage current, clamping
voltage, maximum surge current, energy absorption level,
maximum dissipation power and threshold voltage
temperature coefficient.
How to Order
SEI Type
Lead Style
Vrms
Tolerance
Disc
Diameter
Packaging
Special
SV
Type
SV
Lead Style
1
5
1
Description
Straight
Kinked
140
Code
K
S
K
Tolerance
10%
Special
14
Size (mm)
5
7
10
14
20
23
Code
B
R
A
B
Description
Bulk
Tape & Reel
Ammo Pack
XX
Rev Date: 05/03/2010
This specification may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
1
www.seielect.com
marketing@seielect.com
SV Series
Special Medium Voltage Leaded Varistors
Stackpole Electronics, Inc.
Resistive Product Solutions
General Technical Data
Climatic Category
Operating Temperature
Storage Temperature Range
Threshold Voltage Temperature Coefficient
Isolation Voltage Capability
Response Time
Insulation Resistance
40 / 85 / 56
-40ºC to +85ºC
-40ºC to +125ºC
< -0.05%/ºC
> 2.5kV
< 25 nS
> 1Gohm
In accordance with CECC 42 000
In accordance with CECC 42 000
In accordance with IEC 60068-1
In accordance with CECC 42 000
Standard Packaging Options / Quantities
Series
Voltage Range
(Vrms)
60
75
95
115 - 140
150 - 175
230
250 - 275
300
320
385 - 420
460 - 680
5mm
Reel
1,500
1,300
1,300
1,300
1,200
1,000
1,000
N/A
N/A
N/A
N/A
Bulk
1,300
1,300
1,300
1,300
1,300
900
900
N/A
N/A
N/A
N/A
Reel
1,500
1,300
1,300
1,300
1,200
1,200
1,000
900
N/A
N/A
N/A
7mm
Bulk
1,000
1,000
900
900
900
900
900
900
N/A
N/A
N/A
10mm
Reel
1,300
1,300
1,200
1,200
1,000
1,000
900
800
800
700
600
Bulk
500
500
500
400
400
400
400
400
400
300
300
600
600
600
500
500
500
400
400
400
300
300
14mm
Reel
Bulk
400
400
400
400
400
250
250
250
250
250
250
600
600
500
500
500
500
400
400
300
300
300
20mm
Reel
Bulk
250
250
250
250
250
250
250
150
150
150
150
23mm
Bulk
N/A
N/A
N/A
150
150
150
150
150
100
100
100
SV
Rev Date: 05/03/2010
This specification may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
2
www.seielect.com
marketing@seielect.com
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