Varistor Products

©2012 Littelfuse, Inc.

Revision: February 9, 2012

LA Varistor Series

Radial Lead Varistors > LA Series

Specifications are subject to change without notice.

Please refer to www.littelfuse.com/series/la.html for current information.

Maximum Clamping Voltage for 14mm Parts

V130LA10A(P) - V320LA20A

200

6,000

5,000

4,000

3,000

1,000

900

800

700

600

500

400

300

PEAK AMPERES (A)

2,000

V275LA20A(P)

V250LA20A(P)

MAXIMUM CLAMPING VOLTAGE

MODEL SIZE 14mm

V230LA20A(P)

V175LA10A(P)

V130LA10A(P)

V140LA10A(P)

V150LA10A(P)

V320LA20A(P)

V300LA20A(P)

5,000

3,000

1,000

500

300

PEAK AMPERES (A)

2,000

V1000LA80A(P)

V660LA50A(P)

MAXIMUM CLAMPINGVOLTAGE

MODEL SIZE 14mm

700

V625LA40A(P)

V680LA80A(P)

V575LA40A(P)

V510LA40A(P)

V480LA40A(P)/V460LA20A(P)

V420LA20A(P)

V385LA20A(P)

V385LA20A(P) V1000LA80A(P)

Transient V-I Characteristics Curves (Continued...)

Repetitive Surge Capability for 14mm Parts

V130LA10A(P) - V320LA20A(P)

5,000

2,000

200

100

50

20

10

5

2

500

20

100

1,000

10,000

IMPULSE DURATION (

μs)

1

2

10

MODEL SIZE 14mm

V130LA10A(P) - V320LA20A(P)

INDEFINITE

1,000

V385LA20A(P) - V1000LA80A(P)

5,000

2,000

200

100

50

20

10

5

2

500

20

100

1,000

10,000

IMPULSE DURATION (

μs)

1

2

10

MODEL SIZE 14mm

V385LA20A(P) - V1000LA80A(P)

INDEFINITE

1,000

Pulse Rating Curves (Continued...)

Figure 10

Figure 11

Figure 12

Figure 13