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V131DA40 Datasheet(PDF) 4 Page - Littelfuse

Part No. V131DA40
Description  Varistor Products - High Energy Industrial
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Maker  LITTELFUSE [Littelfuse]
Homepage  http://www.littelfuse.com
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V131DA40 Datasheet(HTML) 4 Page - Littelfuse

   
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www .littelfuse .com
Varistor Products
2
High Energy Industrial
DA/DB Varistor Series
Pulse Rating Curves
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 it does not prevent the device from continuing to function, and to provide ample protection.
FIGURE 5. SURGE CURRENT RATING CURVES FOR
V131DA40, V131DB40 - V751DA40, V751DB40
DISC SIZE 40mm
V131DA40 - V751DA40
50,000
20,000
10,000
5,000
2,000
1,000
500
200
100
50
20
10
20
100
1,000
10,000
IMPULSE DURATION ( µs)
V131DB40 - V751DB40
2
1
INDEFINITE
104
103
102
105
106
10
DA SERIES
Dimensions in millimeters and (inches).
A
4.3mm
(0.170)
15mm (0.59)
“A”DIMENSION:
FILISTER HEAD SCREW - 51mm (2.01)
PAN HEAD SCREW - 53mm (2.09)
23mm ± 1mm
(0.90 ± 0.04)
57mm
(2.24)
67mm
(2.64)
62mm
(2.44)
M4 INTERNATIONAL
THREAD
4.5mm (0.18)
Mechanical Dimensions
DB SERIES
60.3
(2.37)
44.45 ± 0.75
(1.75 ± 0.03)
46.8
(1.84)
25.4 ± 0.75
(1.00 ± 0.03)
ALL DIMENSIONS ARE MAXIMUM
EXCEPT WHERE NOTED
HOLES 0.23 THRU
BORE 0.370 x 0.370 DP
12.7
(0.50)
6.60
(0.26)
2 HOLES
6.60
(0.26)
41
(1.61)
40.5
(1.6)
1.6
(0.06)
23
(0.90)
12.7
(0.50)


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