V250LA20A Littelfuse Inc, V250LA20A Datasheet - Page 7

• 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

V130LA10A(P) - V320LA20A
V385LA20A(P) V1000LA80A(P)
©2010 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/la.html for current information.
Figure 10
Figure 12
Transient V-I Characteristics Curves (Continued...)
Maximum Clamping Voltage for 14mm Parts
5,000
3,000
2,000
1,000
6,000
5,000
4,000
3,000
2,000
1,000
700
500
300
900
800
700
600
500
400
300
200
10
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 14mm
385 TO 1000V
T
V660LA50A(P)
V625LA40A(P)
-3
A
V175LA10A(P)
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 14mm
130 TO 320V
T
= -55
A
10
= -55
-4
10
o
V300LA20A(P)
V320LA20A(P)
C TO 85
-2
o
10
C TO 85
-3
M(AC)
M(AC)
10
o
10
C
-1
o
PEAK AMPERES (A)
RATING
-2
PEAK AMPERES (A)
C
RATING
10
10
-1
0
10
V575LA40A(P)
V510LA40A(P)
V480LA40A(P)/V460LA20A(P)
V420LA20A(P)
V385LA20A(P)
10
0
V680LA80A(P)
1
V275LA20A(P)
V250LA20A(P)
10
V230LA20A(P)
1
10
V1000LA80A(P)
Varistor Products
Radial Lead Varistors > LA Series
2
V130LA10A(P)
10
V140LA10A(P)
2
V150LA10A(P)
10
10
3
3
10
10
Revision: August 4, 2010
4
4
V130LA10A(P) - V320LA20A(P)
V385LA20A(P) - V1000LA80A(P)
Figure 11
Figure 13
Pulse Rating Curves (Continued...)
Repetitive Surge Capability for 14mm Parts
5,000
2,000
1,000
5,000
2,000
1,000
500
200
100
500
200
100
50
20
10
50
20
10
5
2
20
5
2
20
10
2
INDEFINITE
10
2
INDEFINITE
1
1
100
100
IMPULSE DURATION ( μs)
IMPULSE DURATION ( μs)
MODEL SIZE 14mm
V385LA20A(P) - V1000LA80A(P)
MODEL SIZE 14mm
V130LA10A(P) - V320LA20A(P)
10
10
10
2
10
2
10
3
10
1,000
3
1,000
10
4
10
4
10
5
10
5
6
6
LA Varistor Series
10,000
10,000