V250LA2 Littelfuse Inc, V250LA2 Datasheet - Page 7

• 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

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