V250LA2 Littelfuse Inc, V250LA2 Datasheet - Page 5

• Manufacturer Part Number: V250LA2
• Description: VARISTOR 250V 21J 7MM RADIAL LA
• Manufacturer: Littelfuse Inc
• Series: LAr
• Type: MOVr

Specifications of V250LA2

• Energy: 21J
• Varistor Voltage: 473V
• Current-surge: 1.2kA
• Number Of Circuits: 1
• Maximum Ac Volts: 250VAC
• Maximum Dc Volts: 330VDC
• Package / Case: Disc 7mm
• Technology: Metal Oxide
• Capacitance Value: 90pF
• Clamping Current: 10A
• Clamping Voltage: 730V
• Lead Style: Radial
• Ac Voltage Rating (max): 250VAC
• Dc Voltage Rating (max): 330VDC
• Operating Temp Range: -55C to 85C
• Mounting: Through Hole
• Surge Current (max): 1200A
• Lead Spacing: 6mm
• Product Depth (mm): 5.6mm
• Product Height (mm): 12mm
• Product Diameter (mm): 9mm
• Product: MOV
• Voltage Rating Dc: 330 V
• Voltage Rating Ac: 250 V
• Peak Surge Current: 1.2 KA
• Surge Energy Rating: 21 J
• Capacitance: 90 pF
• Operating Temperature Range: - 55 C to + 85 C
• Dimensions: 7 mm Dia.
• Termination Style: Radial
• Brand/series: LA Series
• Current, Peak: 1200 A
• Electric Strength: 2500 V
• Energy Rating: 21 Joules
• Package: Leads
• Power Rating: 21 Joules (Max.) @ +85 °C
• Resistance, Insulation: 1000 Megohms
• Temperature, Operating, Maximum: 85 °C
• Temperature, Operating, Minimum: –55 °C
• Terminal Type: Radial Leaded
• Voltage, Ac: 250 VAC
• Voltage, Clamping: 730 V
• Voltage, Dc: 330 VDC
• Voltage, Operating: 250 VAC @ +85 °C, 330 VDC @ +85 °C
• Voltage, Varistor: 473
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: 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