Circuit Protection
Product Specification
5
13
14D
METAL OXIDE VARISTORS
Electrical Ratings
Items
Test Condition/Description
Requirement
The voltage between two terminals with the specified measuring
current 1mA.DC applied is called Vb.
Varistor Voltage
Maximum Allowable The recommended maximum sine wave voltage (RMS) or the
Voltage
Maximum DC voltage can be applied continuously.
The maximum voltage between two terminals with the specification
standard impulse current.
Applied waveform: 8/20μs
Crest value
100
90
Maximum Clamping
Voltage
To meet the
50
Specified value
20µs
10
0
8µs
Time
Impulse Width
The maximum average power that can be applied within the
specified ambient temperature.
Rated Wattage
Energy
The maximum energy within the varistor voltage change of ±10%
when one impulse of 10/1000μs or 2ms is applied.
Withstanding Surge
Current
The maximum current within the varistor voltage change of ±10%
with the standard impulse current (8/20μs) applied one time.
V1mA@85℃-V1mA@25℃
1
×
×
× 100%(%/℃)
× 100%(%/℃)
60
V1mA@25℃
Varistor Voltage
≤0.05%/℃
Temp. Coefficient
V1mA@-40℃-V1mA@25℃
V1mA@25℃
1
65
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.
ꢀ ꢀ
Surge Life
ꢁ ꢂꢃꢄꢅ
ꢀ
180K to 680K
820K to 182K
75A (8/20μs)
150A (8/20μs)
14Φ series
www.yageo.com
Feb. 12, 2019 V.0
YAGEO [ YAGEO CORPORATION ]
