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LA Varistor Series
Metal-Oxide Varistors (MOVs)
Radial Lead Varistors > LA Varistor Series
RoHS
Agency Approvals
Agency
Agency Approval
Agency File
Number
UL1449
E320116
CECC 42201-006
IEC 61051-1
IEC 61051-2
IEC 60950-1 (Annex Q) for 14mm and
20mm only
116895
22.2-1
91788
CECC 42201-006
IEC 61051-1
IEC 61051-2
IEC 60950-1 (Annex Q) for 14mm and
20mm only
E1273/F
Description
The LA Varistor Series of transient voltage surge
suppressors are radial leaded varistors (MOVs)
that are designed to be operated continuously
across AC power lines. These UL recognized
varistors require very little mounting space, and are
offered in various standard lead form options.
The LA Varistor Series are available in four model
sizes: 7mm, 10mm, 14mm and 20mm; and have a
eVnMe(ArCg)RyMSavboslotarpgteiornancgaepafbroilmity
130V to 1000V, and an
up to 360J. Some LA Series
model numbers are available with clamping voltage
selections, designated by a model number suffix of
either A or B. The 'A' selection is the standard model;
the 'B' selection provides a lower clamping voltage.
See LA Series Device Ratings and Specifications
Features
• Lead–free, Halogen-
Free and RoHS
compliant.
• Energy absorption
cuapptaob3ili6ty0J(WTM)
• Wide operating
voltage range
VM(AC)RMS 130V to 1000V
• No derating up to
85ºC ambient
• Available in tape and
reel or bulk pack
Additional Information
Datasheet
Resources
Samples
Absolute Maximum Ratings
• For ratings of individual members of a series, see Device Ratings and Specifications chart
Continuous
Steady State Applied Voltage:
Transients:
AC Voltage Range (VM(AC)RMS)
DC Voltage Range (VM(DC))
Peak Pulse Current (ITM)
For 8/20µs Current Wave (See Figure 2)
Single Pulse Energy Range
For 10/1000µs Current Wave (WTM)
Operating Ambient Temperature Range (TA)
Storage Temperature Range (TSTG)
Temperature Coefficient (aV) of Clamping Voltage (VC) at Specified Test Current
Hi-Pot Encapsulation (COATING Isolation Voltage Capability)
(Dielectric must withstand indicated DC voltage for one minute per MIL-STD 202, Method 301)
COATING Insulation Resistance
LA Series
130 to 1000
175 to 1200
1200 to 6500
11 to 360
-55 to +85
-55 to +125
<0.01
2500
1000
Units
V
V
A
J
OC
OC
%/OC
V
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device at these or
any other conditions above those indicated in the operational sections of this specification is not implied.
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/23/15

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Metal-Oxide Varistors (MOVs)
Radial Lead Varistors > LA Varistor Series
LA Series Ratings & Specifications
Part
Number
V130LA1P
V130LA2P
V130LA5P
V130LA10AP
V130LA20AP
V130LA20BP
V140LA2P
V140LA5P
V140LA10AP
V140LA20AP
V150LA1P
V150LA2P
V150LA5P
V150LA10AP
V150LA20AP
V150LA20BP
V175LA2P
V175LA5P
V175LA10AP
V175LA20AP
V230LA4P
V230LA10P
V230LA20AP
V230LA40AP
V250LA2P
V250LA4P
V250LA10P
V250LA20AP
V250LA40AP
V250LA40BP
V275LA2P
V275LA4P
V275LA10P
V275LA20AP
V275LA40AP
V275LA40BP
V300LA2P
V300LA4P
V300LA10P
V300LA20AP
V300LA40AP
V320LA7P
V320LA10P
V320LA20AP
V320LA40BP
V385LA7P
Branding
P1301
P1302
P1305
P130L10
P130L20
P130L20B
P1402
P1405
P140L10
P140L20
P1501
P1502
P1505
P150L10
P150L20
P150L20B
P1752
P1755
P175L10
P175L20
P2304
P230L
P230L20
P230L40
P2502
P2504
P250L
P250L20
P250L40
P250L40B
P2752
P2754
P275L
P275L20
P275L40
P275L40B
P3002
P3004
P300L
P300L20
P300L40
P3207
P320L
P320L20
P320L40
P3857
Model Size
Disc Dia.
(mm)
7
7
10
14
20
20
7
10
14
20
7
7
10
14
20
20
7
10
14
20
7
10
14
20
7
7
10
14
20
20
7
7
10
14
20
20
7
7
10
14
20
7
10
14
20
7
Maximum Rating (85°C)
Continuous
Transient
VRMS
VDC
Energy 10
x 1000µs
Peak
Current 8
x 20µs
VM(AC)
(V)
130
130
130
130
130
130
140
140
140
140
150
150
150
150
150
150
175
175
175
175
230
230
230
230
250
250
250
250
250
250
275
275
275
275
275
275
300
300
300
300
300
320
320
320
320
385
VM(DC)
(V)
175
175
175
175
175
175
180
180
180
180
200
200
200
200
200
200
225
225
225
225
300
300
300
300
330
330
330
330
330
330
369
369
369
369
369
369
405
405
405
405
405
420
420
420
420
505
WTM
(J)
11
11
20
38
70
70
12
22
42
75
13
13
25
45
80
80
15
30
55
90
20
35
70
122
21
21
40
72
130
130
23
23
45
75
140
140
25
25
46
77
165
25
48
80
150
27
ITM
(A)
1200
1200
2500
4500
6500
6500
1200
2500
4500
6500
1200
1200
2500
4500
6500
6500
1200
2500
4500
6500
1200
2500
4500
6500
1200
1200
2500
4500
6500
6500
1200
1200
2500
4500
6500
6500
1200
1200
2500
4500
6500
1200
2500
4500
6500
1200
Specifications (25°C)
Varistor
Voltage at
1mA
DC Test
Current
VMNiOnM
VMNaOxM
Maximum
Clamping
Voltage
8 x 20 µs
VC IPK
Typical
Capaci-
tance f =
1MHz
C
(V) (V) (V) (A)
(pF)
198 242 390 10
180
184.5 225.5 340 10
180
184.5 225.5 340 25
450
184.5 225.5 340 50
1000
184.5 225.5 340 100
1900
190 220 325 100
1900
198 242 360 10
160
198 242 360 25
400
198 242 360 50
900
198 242 340 100
1750
225 275 430 10
150
216 264 395 10
150
216 264 395 25
360
216 264 395 50
800
216 264 395 100
1600
216 243 360 100
1600
243 297 455 10
130
243 297 455 25
350
243 297 455 50
700
243 297 455 100
1400
324 396 595 10
100
324 396 595 25
250
324 396 595 50
550
324 396 595 100
1100
369 451 730 10
90
351 429 650 10
90
351 429 650 25
220
351 429 650 50
500
351 429 650 100
1000
354 413 620 100
1000
405 495 775 10
80
387 473 710 10
80
387 473 710 25
200
387 473 710 50
450
387 473 710 100
900
389 453 680 100
900
441 539 870 10
70
423 517 775 10
70
423 517 775 25
180
423 517 775 50
400
423 517 775 100
800
459 561 850 10
65
459 561 850 25
170
459 561 850 50
380
462 540 810 100
750
558 682 1025 10
60
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/23/15

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Metal-Oxide Varistors (MOVs)
Radial Lead Varistors > LA Varistor Series
LA Series Ratings & Specifications (Continued...)
Part
Number
V385LA10P
V385LA20AP
V385LA40BP
V420LA7P
V420LA10P
V420LA20AP
V420LA40BP
V460LA7P
V460LA10P
V460LA20AP
V460LA40BP
V480LA7P
V480LA10P
V480LA40AP
V480LA80BP
V510LA10P
V510LA40AP
V510LA80BP
V575LA10P
V575LA40AP
V575LA80BP
V625LA10P
V625LA40AP
V625LA80BP
V680LA10P
V680LA80AP
V680LA100BP
V660LA10P
V660LA50AP
V660LA100BP
V1000LA80AP
V1000LA160BP
Branding
P385L
P385L20
P385L40
P4207
P420L
P420L20
P420L40
P4607
P460L
P460L20
P460L40
P4807
P480L
P480L40
P480L80
P510L
P510L40
P510L80
P575L
P575L40
P575L80
P625L
P625L40
P625L80
P680L
P680L80
P680L100
P660L
P660L50
P660L100
P1000L8
P1000L16
Model Size
Disc Dia.
(mm)
10
14
20
7
10
14
20
7
10
14
20
7
10
14
20
10
14
20
10
14
20
10
14
20
10
14
20
10
14
20
14
20
Maximum Rating (85°C)
Continuous
Transient
VRMS
VDC
Energy 10
x 1000µs
Peak
Current 8
x 20µs
VM(AC)
(V)
385
385
385
420
420
420
420
460
460
460
460
480
480
480
480
510
510
510
575
575
575
625
625
625
680
680
680
660
660
660
1000
1000
VM(DC)
(V)
505
505
505
560
560
560
560
615
615
615
615
640
640
640
640
675
675
675
730
730
730
825
825
825
875
875
875
850
850
850
1200
1200
WTM
(J)
51
85
160
30
55
90
160
37
56
100
170
35
60
105
180
63
110
190
65
120
220
67
125
230
75
145
260
70
140
250
220
360
ITM
(A)
2500
4500
6500
1200
2500
4500
6500
1200
2500
4500
6500
1200
2500
4500
6500
2500
4500
6500
2500
4500
6500
2500
4500
6500
2500
4500
6500
2500
4500
6500
4500
6500
Specifications (25°C)
Varistor
Voltage at
1mA
DC Test
Current
Maximum
Clamping
Voltage
8 x 20 µs
Typical
Capaci-
tance f =
1MHz
VMNiOnM
VMNaOxM
VC
IPK
C
(V) (V) (V) (A)
(pF)
558 682 1025 25
160
558 682 1025 50
360
558 682 1025 100
700
612 748 1120 10
55
612 748 1120 25
140
612 748 1120 50
300
610 720 1060 100
600
643.5 786.5 1190 10
55
643.5 786.5 1190 25
120
643.5 786.5 1190 50
280
643.5 755.5 1110 100
560
675 825 1240 10
50
675 825 1240 25
120
675 825 1240 50
270
675 790 1160 100
550
738 902 1350 25
100
738 902 1350 50
250
738 860 1280 100
500
819 1001 1500 25
90
819 1001 1500 50
220
819 960 1410 100
450
900 1100 1650 25
80
900 1100 1650 50
210
900 1100 1650 100
425
990 1210 1875 25
65
990 1210 1875 50
190
990 1130 1700 100
380
972 1188 1820 25
70
972 1188 1820 50
200
940 1100 1650 100
400
1500 1800 2700 50
130
1425 1600 2420 100
250
NOTE: Average power dissipation of transients not to exceed 0.25W, 0.4W, 0.6W or 1W for model sizes 7mm, 10mm, 14mm and 20mm, respectively.
Phenolic Coating Option -- LA Series Varistors for Hi-Temperature Operating Conditions:
• Phenolic–coated LA Series devices are available with improved maximum operating maximum temperature 125°C.
• These devices also have improved temperature cycling performance capability.
• Ratings and Specifications are as per standard LA Series except Hi–Pot Encapsulation (Isolation Voltage Capability) = 500V.
• These devices are not UL, CSA, VDE or CECC certified.
• To order: add X1347 to end of part number (e.g. V230LA20APX1347).
• Product marking:
LF 9
P230P20
Lead-Free,
YYWW
Halogen-Free
& RoHS Compliant
Indicator
Phenolic Coated
Option
Identifier
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/23/15