20D180K Datasheet, PDF (3/4 Pages) UN Semiconducctor INC – Radial Lead Varistor

Radial Lead Varistor (MOV)
120D Series
Electrical Rating
Item
Test Condition / Description
Maximum Allowable
Voltage
Varistor Voltage
The recommended maximum sine wave voltage (RMS) or the maximum DC
voltage can be applied continuously.
The voltage between two terminals with the specified measuring current
1mA.DC applied is call Vb.
The maximum voltage between two terminals with the specification
standard impulse current.
Applied waveform: 8/20μs
Requirement
Maximum Clamping
Voltage
To meet the
specified value
Rated Wattage
Energy
Withstanding Surge
Current
The maximum average power that can be applied within the specified
ambient temperature.
The maximum energy within the varistor voltage change of ±10% when one
impulse of 10/1000μs. or 2 msec. is applied.
The maximum current within the varistor voltage change of ±10% with the
standard impulse current (8/20ȝsec.) applied one time
Varistor Voltage
Temp. Coefficient
Vb at 20ºC－Vb at 70ºC
Vb at 20ºC
×
1
50
× 100(% / ºC)
The change of Vb shall be measured after the impulse listed below is
applied 10,000 times continuously with the interval of ten seconds at room
temperature.
Surge Life
5D Series
7D Series
10D Series
14D Series
20D Series
180K to 680K
820K to 751K
180K to 680K
820K to 751K
180K to 680K
820K to 751K
180K to 680K
820K to 751K
180K to 680K
820K to 751K
10A (8/20μs)
20A (8/20μs)
25A (8/20μs)
50A (8/20μs)
50A (8/20μs)
100A (8/20μs)
75A (8/20μs)
150A (8/20μs)
100A (8/20μs)
200A (8/20μs)
0.05% / ºC max
△Vb / Vb ≤ ±10%
UN Semiconductor Co., Ltd.
Revision October 18, 2013
3/4
www.unsemi.com.tw
@ UN Semiconductor Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.