Littelfuse
Transient Surge Suppressors
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c
825
ZA Series
Model
Mfr.Õs Size Device
Type Disc Dia. Marking
(mm)
Maximum Rating (85¡C) Characteristics (25¡C)
Continuous Transient Varistor Voltage
@ 1 mA DC
Test Current
Maximum
Clamping Voltage
8 ´20 µs
Typical
Capacitance
RMS
Volts
DC
Volts
Energy
10 ´1000 µs
Peak Current
8 ´20 µs
V
M(AC)
V
M(DC)
W
TM
I
TM
V
NOM
Min.
V
NOM
Max. V
C
I
PK
f=1 MHz
Volts Volts Joules Amps Volts Volts Volts Amps Picofarads
V8ZA05 5 Z08 4 5.5 0.10 50 6.0 11.0 30 1.0 1400
V8ZA1 7 08Z1 4 5.5 0.40 100 6.0 11.0 22 2.5 3000
V8ZA2 10 08Z2 4 5.5 0.80 250 6.0 11.0 20 5.0 7500
V12ZA05 5 Z12 6 8.0 0.14 50 9.0 16.0 37 1.0 1200
V12ZA2 10 12Z2 6 8.0 1.20 250 9.0 16.0 30 5.0 6000
V18ZA05 5 Z18 10 14.0 0.17 100 14.4 21.6 36 1.0 1000
V18ZA1 7 18Z1 10 14.0 0.80 250 14.4 21.6 36 2.5 2000
V18ZA2 10 18Z2 10 14.0 1.50 500 14.4 21.6 36 5.0 5000
V18ZA3 14 18Z3 10 14.0 3.50 1000 14.4 21.6 36 10.0 11000
V18ZA40 20 18Z40 10 14.0 80.00
1
2000 14.4
2
21.6 37 20.0 22000
V22ZA2 10 22Z2 14 18.0 2.00 500 18.7 26.0 43 5.0 4000
V22ZA3 14 22Z3 14 18.0 4.00 1000 18.7 26.0 43 10.0 9000
V24ZA50 20 24Z50 14 18.0
3
100.00
1
2000 19.2
2
26.0 43 20.0 15000
V27ZA05 5 Z327 17 22.0 0.25 100 23.0 31.1 53 1.0 600
V27ZA1 7 27Z1 17 22.0 1.00 250 23.0 31.1 53 2.5 1300
V27ZA4 14 27Z4 17 22.0 5.00 1000 23.0 31.1 53 10.0 7000
V27ZA60 20 27Z60 17 22.0 120.00
1
2000 23.0
2
31.1 50 20.0 13000
V33ZA5 14 33Z5 20 26.0 6.00 1000 29.5 36.5 65 10.0 6000
V33ZA70 20 33Z70 21 27.0 150.00
1
2000 29.5
2
36.5 58 20.0 13000
V36ZA80 20 36Z80 23 31.0 160.00
1
2000 32.0
2
40.0 63 20.0 12000
V39ZA05 5 Z39 25 31.0 0.30 100 35.0 46.0 79 1.0 500
V39ZA1 7 39Z1 25 31.0 1.20 250 35.0 43.0 79 2.5 1100
V39ZA3 10 39Z3 25 31.0 3.00 500 35.0 43.0 76 5.0 2700
V39ZA6 14 39Z6 25 31.0 6.00 1000 35.0 43.0 76 10.0 6000
V47ZA1 7 47Z1 30 38.0 1.80 250 42.0 52.0 93 2.5 800
V47ZA7 14 47Z7 30 38.0 8.80 1000 42.0 52.0 93 10.0 4500
V56ZA2 7 56Z2 35 45.0 2.30 250 50.0 62.0 110 2.5 700
V56ZA8 14 56Z8 35 45.0 10.00 1000 50.0 62.0 110 10.0 3900
V68ZA2 7 68Z2 40 45.0 3.00 250 61.0 75.0 135 2.5 600
V68ZA3 10 68Z3 40 68.0 6.50 500 61.0 75.0 135 5.0 1500
V68ZA10 14 68Z10 40 68.0 13.00 1000 61.0 75.0 135 10.0 3300
V82ZA12 14 82Z12 50 82.0 15.00 4500 73.0 91.0 145 50.0 2500
V100ZA15 14 100Z15 60 100.0 20.00 4500 90.0 110.0 175 50.0 2000
V180ZA1 7 180Z 115 153.0 10.00 1200 162.0 198.0 300 10.0 200
V180ZA5 10 180Z5 115 153.0 18.00 2500 162.0 198.0 300 25.0 500
V180ZA10 14 180Z10 115 153.0 35.00 4500 162.0 198.0 300 50.0 1100
V220ZA05 5 Z220 140 180.0 6.00 400 198.0 253.0 360 5.0 90
V330ZA05 5 Z330 210 275.0 9.00 400 297.0 380.0 540 5.0 60
V390ZA05 5 Z390 250 330.0 10.00 400 351.0 449.0 650 5.0 50
Notes:
1
Energy rating for impulse duration of 30 ms minimum to one half of peak current.
2
10 mA DC test current.
3
Also rated to withstand 24 V for five minutes.
c
Average Power Dissipation of Transients Not to Exceed 0.2 W, 0.25 W, 0.4 W, 0.6 W, or 1 W for Model Sizes
5 mm, 7 mm, 10 mm, 14 mm, and 20 mm Respectively
c
ZA Series Varistors Are Listed Under UL File No. E135010 as a UL Recognized Component
13
LA Series
Model
Mfr.Õs Size Device
Type Disc Dia. Marking
(mm)
Maximum Rating (85¡C) Characteristics (25¡C)
Continuous Transient Varistor Voltage
@ 1 mA DC
Test Current
Maximum
Clamping Voltage
8 ´20 µs
Typical
Capacitance
RMS
Volts
DC
Volts
Energy
10 ´1000 µs
Peak Current
8 ´20 µs
V
M(AC)
V
M(DC)
W
TM
I
TM
V
NOM
Min.
V
NOM
Max. V
C
I
PK
f=1 MHz
Volts Volts Joules Amps Volts Volts Volts Amps Picofarads
V130LA1 7 1301 130 175 11 1200 184 255 390 10 180
V130LA2 7 1302 130 175 11 1200 184 228 340 10 180
V130LA5 10 1305 130 175 20 2500 184 228 340 25 450
V130LA10A 14 130L10 130 175 38 4500 184 228 340 50 1000
V130LA20A 20 130L20 130 175 70 6500 184 228 340 100 1900
V130LA20B 20 130L20B 130 175 70 6500 184 220 325 100 1900
V140LA5 10 1405 140 180 22 2500 198 242 360 25 400
V140LA10A 14 140L10 140 180 42 4500 198 242 360 50 900
V150LA1 7 1501 150 200 13 1200 212 284 430 10 150
V150LA2 7 1502 150 200 13 1200 212 268 395 10 150
V150LA10A 14 150L10 150 200 45 4500 212 268 395 50 800
V150LA20A 20 150L20 150 200 80 6500 212 268 395 100 1600
V150LA20B 20 150L20B 150 200 80 6500 212 243 360 100 1600
V175LA10A 14 175L10 175 225 55 4500 247 303 455 50 700
V320LA20A 14 230L20 230 300 70 4500 324 396 595 50 550
V250LA2 7 2502 250 330 21 1200 354 473 730 10 90
V250LA4 7 2504 250 330 21 1200 354 429 650 10 90
V250LA20A 14 250L20 250 330 72 4500 354 429 650 50 500
V250LA40A 20 250L40 250 330 130 6500 354 429 650 100 1000
V250LA40B 20 250L40B 250 330 130 6500 354 413 620 100 1000
V275LA4 7 2754 275 369 23 1200 389 473 710 10 80
V275LA10 10 275L 275 369 45 2500 389 473 710 25 200
V275LA20A 14 275L20 275 369 75 4500 389 473 710 50 450
V275LA40A 20 275L40 275 369 140 6500 389 473 710 100 900
V275LA40B 20 275L40B 275 369 140 6500 389 453 680 100 900
V320LA20A 14 320L20 320 420 80 4500 462 565 850 50 380
V320LA40B 20 320L40 320 420 150 6500 462 540 810 100 750
V420LA20A 14 420L20 420 560 90 4500 610 748 1120 50 300
V420LA40B 20 420L40 420 560 160 6500 610 720 1060 100 600
V480LA40A 14 480L40 480 640 105 4500 670 825 1240 50 270
V480LA80B 20 480L80 480 640 180 6500 670 790 1160 100 550
V510LA40A 14 510L40 510 675 110 4500 735 910 1350 50 250
V510LA80B 20 510L80 510 675 190 6500 735 860 1280 100 500
V575LA40A 14 575L40 575 730 120 4500 805 1000 1500 50 220
V575LA80B 20 575L80 575 730 220 6500 805 960 1410 100 450
V1000LA80A 14 1000L80 1000 1200 220 4500 1425 1800 2700 50 130
V1000LA160B 20 1000L160 1000 1200 360 6500 1425 1600 2420 100 250
c
LA Series Varistors Are Listed Under UL File No. E75961 and E56529 as a UL Recognized Component
c
LA Series Varistors Are Listed Under CSA File No. LR91788 as a CSA Recognized Component
c
Average Power Dissipation of Transients Not to Exceed 0.25 W, 0.4 W, 0.6 W or 1 W for Model Sizes 7 mm,
10 mm, 14 mm, and 20 mm Respectively
