Littelfuse SMOV25S Varistor Series - Manual (Page 2)

© 2013 Littelfuse, Inc. 238
Revised: May 8, 2013
Varistor Products
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/smov25s.html for current information.
SMOV25S Varistor Series
Thermally Protected Varistors > SMOV25S Series
Part
Number
Maximum Rating (75°C) Specifications (25 °C)
Continuous Transient
Varistor
Voltage at
1mA Test
Current
Maximum
Clamping
Voltage
8/20μs
Typical
Capacitance
f = 1MHz AC
Volts
DC
Volts
Energy
2ms
Peak Surge
Current
8/20μs
Nominal
Discharge
Current (In)
V
M (AC)
V
M(DC)
W
TM
I
TM
1 × Pulse
In
V
N(DC)
Min
V
N(DC)
Max
Vc I
PK
C
(V) (V) (J) (A) (A) (V) (V) (A) (pF)
SMOV25S111MP
115 150 170 20000 10000 162 198 295 100 3200
SMOV25S111NP
SMOV25S131MP
130 170 190 20000 10000 184 226 335 100 2800
SMOV25S131NP
SMOV25S151MP
150 200 220 20000 10000 216 264 390 100 2300
SMOV25S151NP
SMOV25S181MP
175 225 250 20000 10000 243 297 450 100 1900
SMOV25S181NP
SMOV25S251MP
250 320 330 20000 10000 351 429 640 100 1400
SMOV25S251NP
SMOV25S271MP
275 350 350 20000 10000 387 473 700 100 1250
SMOV25S271NP
SMOV25S301MP
300 385 370 20000 10000 423 517 765 100 1150
SMOV25S301NP
SMOV25S321MP
320 420 390 20000 10000 459 561 825 100 1080
SMOV25S321NP
SMOV25S421MP
420 560 460 20000 10000 612 748 1100 100 820
SMOV25S421NP
SMOV25S461MP
460 615 490 20000 10000 675 825 1220 100 750
SMOV25S461NP
SMOV25S511MP
510 670 520 20000 10000 738 902 1335 100 680
SMOV25S511NP
SMOV25S551MP
550 745 550 20000 10000 819 1001 1475 100 630
SMOV25S551NP
SMOV25S621MP
620 800 600 20000 10000 900 1100 1625 100 550
SMOV25S621NP
SMOV25S751MP
750 970 670 20000 10000 1080 1320 1950 100 460
SMOV25S751NP
Device Ratings & Specifications
Average power dissipation of transients should not exceed 1.5 watts
Same ratings and specifications apply to Non Isolated Monitored Switch alternative design. Replace "M" with "N" in the part number. e.g.: SMOV25S111NP.
Refer to Part Number System at the end of this document.