V250LA20A Littelfuse Inc, V250LA20A Datasheet - Page 5

• Manufacturer Part Number: V250LA20A
• Description: VARISTOR 250V 72J 14MM RADIAL LA
• Manufacturer: Littelfuse Inc
• Series: LAr

Specifications of V250LA20A

• Varistor Voltage: 429V
• Current-surge: 4.5kA
• Number Of Circuits: 1
• Maximum Ac Volts: 250VAC
• Maximum Dc Volts: 330VDC
• Energy: 72J
• Package / Case: Disc 14mm
• Product: MOV
• Voltage Rating Dc: 330 V
• Voltage Rating Ac: 250 V
• Clamping Voltage: 650 V
• Peak Surge Current: 4.5 KA
• Surge Energy Rating: 72 J
• Capacitance: 500 pF
• Operating Temperature Range: - 55 C to + 85 C
• Mounting: Radial
• Dimensions: 14 mm Dia.
• Termination Style: Radial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

V130LA1(P) - V300LA2(P)
V130LA2(P) - V300LA4(P)
V320LA7(P) - V480LA7(P)
©2010 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/la.html for current information.
Figure 3
Figure 5
Figure 6
Transient V-I Characteristics Curves
Maximum Clamping Voltage for 7mm Parts
4,000
3,000
2,000
1,000
5,000
3,000
2,000
1,000
500
6,000
5,000
4,000
3,000
2,000
1,000
900
800
700
600
500
400
300
200
100
900
800
700
600
500
400
300
200
10
10
-3
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 7mm
320 TO 480V
T
A
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 7mm
130 TO 300V
T
-3
= -55
A
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 7mm
130 TO 300V
T
10
A
V300LA2(P)
V150LA1(P)
V130LA1(P)
= -55
10
-3
= -55
o
-2
C TO 85
10
o
C TO 85
-2
M(AC)
o
10
C TO 85
M(AC)
-2
10
o
M(AC)
-1
C
RATING
10
o
PEAK AMPERES (A)
C
PEAK AMPERES (A)
10
-1
RATING
V460LA7
V480LA7
o
PEAK AMPERES (A)
-1
C
RATING
10
0
10
V300LA4(P)
10
0
(P)
(P)
0
V275LA4(P)
V130LA2(P)
V275LA2(P)
V250LA4(P)
10
V140LA2(P)
V250LA2(P)
10
1
10
V230LA4(P)
V150LA2(P)
1
1
V175LA2(P)
V320LA7
10
V385LA7
10
Varistor Products
2
Radial Lead Varistors > LA Series
V420LA7
10
2
2
(P)
10
10
(P)
3
3
10
(P)
3
10
10
4
4
Revision: August 4, 2010
10
4
V130LA1(P) - V480LA7(P)
Figure 4
Pulse Rating Curves
Repetitive Surge Capability for 7mm Parts
2,000
1,000
500
200
100
50
20
10
5
2
1
20
10
1
2
10
INDEFINITE
2
100
IMPULSE DURATION ( μs)
10
MODEL SIZE 7mm
V130LA1(P) - V480LA7(P)
10
1,000
3
10
4
10
5
6
LA Varistor Series
10,000