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| CA Datasheet, PDF (5/8 Pages) Littelfuse – Varistor Products - High Energy Industrial Disc | |||
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Varistor Products
High Energy Industrial Disc
CA Varistor Series
Pulse Rating Curves
50,000
20,000 1
2
10,000
5,000 10
2,000 102
1,000 103
500 104
200
100
50
105
106
DISC SIZE 32mm
V131CA32 - V321CA32
50,000
20,000 1
2
10,000
5,000 10
2,000 102
1,000 103
500 104
200
100
50
DISC SIZE 32mm
V421CA32 - V751CA32
105
106
20 INDEFINITE
10
20
100
1,000
IMPULSE DURATION ( µs)
FIGURE 7. SURGE CURRENT RATING CURVES FOR
V131CA32 - V321CA32
10,000
20 INDEFINITE
10
20
100
1,000
IMPULSE DURATION ( µs)
FIGURE 8. SURGE CURRENT RATING CURVES FOR
V421CA32 - V751CA32
10,000
50,000 1
20,000 2
10,000 10
5,000 102
2,000 103
1,000
500
DISC SIZE 40mm
V131CA40 - V751CA40
104
105
200
100 106
50
20 INDEFINITE
10
20
FIGURE 9.
100
1,000
IMPULSE DURATION ( µs)
SURGE CURRENT RATING CURVES FOR
V131CA40 - V751CA40
10,000
50,000
1
20,000
10
2
10,000
DISC SIZE 60mm
V251CA60 - V321CA60
5,000 102
2,000 103
1,000 104
500 105
200
100 106
50
INDEFINITE
20
10
20
100
1,000
IMPULSE DURATION ( µs)
10,000
FIGURE 10. SURGE CURRENT RATING CURVES FOR
V251CA60 - V321CA60
100,000
1
50,000
20,000 10
2
10,000
5,000 102
DISC SIZE 60mm
V421CA60 - V282CA60
2,000 103
1,000 104
500 105
200
100 106
50
20
10
20
INDEFINITE
100
1,000
IMPULSE DURATION ( µs)
FIGURE 11. SURGE CURRENT RATING CURVES FOR
V421CA60 - V282CA60
10,000
NOTE: If pulse ratings are exceeded, a shift of VN(DC) (at specified current) of more than ±10% could result. This type of shift, which normally results in a decrease of VN(DC),
may result in the device not meeting the original published specifications, but does not prevent the device from continuing to function, and to provide ample protection.
118
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