Varistor Products
High Energy Industrial
HA Varistor Series
Pulse Rating Curves
50,000
20,000
10,000
SURGE CURRENT (A)
1
2
DISC SIZE 32mm
V111HA32 - V751HA32
50,000
1
20,000
10,000
SURGE CURRENT (A)
5,000
2,000
1,000
500
200
100
50
INDEFINITE
20
100
1,000
IMPULSE DURA
TION (
µs)
10,000
20
10
20
INDEFINITE
100
1,000
IMPULSE DURA
TION (
µs)
10,000
10
2
10
3
10
4
10
5
10
6
2
10
DISC SIZE 40mm
V111HA40 - V751HA40
5,000 10
2
2,000 10
1,000 10
3
500 10
4
5
200 10
100
50
20
10
10
6
FIGURE 5. SURGE CURRENT RATING CURVES FOR
V111HA32 - V751HA32
FIGURE 7. SURGE CURRENT RATING CURVES FOR
V111HA40 - V751HA40
Mechanical Dimensions
TABLE 1. HA SERIES OUTLINE SPECIFICATIONS
(Dimensions in Millimeters)
D
MAX
HA32 35.5
HA40 42.5
H
MAX
52.00
57.00
B
MIN
3.0
3.0
X
T
T1
oA
MAX
4.2
4.2
S
TABLE 3. HC SERIES OUTLINE SPECIFICATIONS
(Dimensions in Millimeters)
D
MAX
HC32
HC40
35.5
42.5
H
MAX
52.00
57.00
B
MIN
5.0
5.0
X
T
R
SC
NOM NOM MAX
25
25
9.3
9.3
10.4
10.4
OFFSET
Depends on
Device
Voltage
(See Table 2)
NOM NOM MAX
25
25
9.30
9.30
1.0
1.0
OFFSET
Depends on
Device
Voltage
(See Table 4)
TABLE 2. HA SERIES MAXIMUM THICKNESS AND TERMINAL
OFFSETS
(Dimensions in Millimeters)
THICKNESS “W”
VOLTAGE
V111 - V351
V391 - V511
V551 - V751
HA32
9.00
11.00
13.00
HA40
9.00
11.00
13.00
DIMENSION “S”
(±1mm)
HA32
3.90
2.60
1.00
HA40
3.90
2.60
1.00
TABLE 4. HC SERIES MAXIMUM THICKNESS AND
TERMINAL OFFSETS
(Dimensions in Millimeters)
(
THICKNESS “W”
VOLTAGE
V111 - V351
V391 - V511
V551 - V751
HC32
9.00
11.00
13.00
HC40
9.00
11.00
13.00
DIMENSION “S
C
”
(±1mm)
HC32
6.00
7.30
8.90
HC40
6.00
8.10
10.00
)
Ordering Information
VARISTOR
V XX X HA XX
DISC SIZE (mm)
V
M(AC)
FirstTwo Significant
Digits
V
M(AC)
Decade Multiplier
SERIES DESIGNATOR
HA or HC
94
w w w. l i t t e l f u s e . c o m
LITTELFUSE [ LITTELFUSE ]
