Varistor Products

©2010 Littelfuse, Inc.

Revision: September 9, 2010

C-III Varistor Series

Radial Lead Varistors > C-III series

Specifications are subject to change without notice.

Please refer to www.littelfuse.com/series/c-iii.html for current information.

Maximum Clamping Voltage for 14mm Parts

V130LA10C(P) – V420LA20C(P)

10,000

1,000

100

0.001

0.01

0.1

1

10

100

1000

10000

V420LA20C(P)

V385LA20C(P)

V250LA20C(P)

MODEL SIZE = 14mm

Peak Amperes (A)

V320LA20C(P)

V300LA20C(P)

V230LA20C(P)

V175LA10C(P)

V150LA10C(P)

V140LA10C(P)

V130LA10C(P)

V275LA20C(P)

V460LA20C(P)

Transient V-I Characteristics Curves (continued)

MODEL SIZE = 20mm

10,000

1,000

100

0.001

0.01

0.1

1

10

100

1000

10000

V575LA80C(P)

V660LA100C(P)

V625LA80C(P)

V510LA80C(P)

V460LA40C(P)

V480LA80C(P)

V420LA40C(P)

V385LA40C(P)

V175LA20C(P)

V150LA20C(P)

V140LA20C(P)

V130LA20C(P)

V230LA40C(P)

V250LA40C(P)

V275LA40C(P)

V300LA40C(P)

V320LA40C(P)

V680LA100C(P)

Peak Amperes (A)

Maximum Clamping Voltage for 20mm Parts

Maximum Clamping Voltage for Low Clamping Voltage Parts

V130LA5C(P) - V320LA10C (P)

V130LA20CX325(P) - V300LA40CX245 (P)

10,000

1,000

100

0.001

0.01

0.1

1

10

100

1000

10000

V300LA40CX745(P)

V275LA40CX680(P)

V250LA40CX620(P)

V230LA40CX570(P)

V175LA20CX425(P)

V150LA20CX360(P)

V140LA20CX340(P)

V130LA20CX325(P)

V300LA40CX810(P)

Peak Amperes (A)

Repetitive Surge Capability for 20mm Parts

V130LA20C(P)-V680LA100C(P)

Repetitive Surge Capability for 14mm Parts

V130LA10C(P)-V420LA20C(P)

Pulse Rating Curves (continued)

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

10,000

1,000

100

10

1

10

100

1,000

10,000

SURGE IMPULSE DURATION (μs)

10

1

2

MODEL SIZE = 14mm

∞

10,000

1,000

100

10

1

10

100

1,000

10,000

SURGE IMPULSE DURATION (μs)

1

2

MODEL SIZE = 20mm

10

∞