Littelfuse SM7 Varistor Series - Manual (Page 2)

© 2013 Littelfuse, Inc. 76
Revised: May 8, 2013
Varistor Products
SM7 Series Varistor
Surface Mount Varistors > SM7 Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/sm7.html for current information.
NOTE: SM7 series devices are recognized under UL file # E320116
SM7 Series Ratings & Specifications
Maximum Rating (85°C) Specifications (25°C)
Continuous Transient
Varistor Voltage
at 1mA DC
Test Current
Maximum
Clamping
Voltage
8 x 20 μs
Typical
Capacitance
f = 1MHz
V
RMS
V
DC
Energy
10 x 1000μs
Peak Current
8 x 20μs
Part
Number
V
M(AC)
V
M(DC)
W
TM
I
TM
V
NOM
Min V
NOM
Max V
C
I
PK
C
(V) (V) (J) (A) (V) (V) (V) (A) (pF)
V115SM7 115 153 10 1200 162 198 300 10 200
V130SM7 130 175 11 1200 184 228 340 10 180
V140SM7 140 180 12 1200 198 242 360 10 160
V150SM7 150 200 13 1200 212 268 395 10 150
V175SM7 175 225 15 1200 247 303 455 10 130
V230SM7 230 300 20 1200 324 396 595 10 100
V250SM7 250 330 21 1200 354 429 650 10 90
V275SM7 275 369 23 1200 389 473 710 10 80
V300SM7 300 405 25 1200 420 517 775 10 70
V320SM7 320 420 25 1200 462 565 850 10 65
V385SM7 385 505 27 1200 558 682 1025 10 60
V420SM7 420 560 30 1200 610 748 1120 10 55
V460SM7 460 615 37 1200 640 790 1190 10 55
V480SM7 480 640 35 1200 670 825 1240 10 50
V510SM7 510 675 40 1200 735 910 1200 10 45