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V20E275PL1T7 Datasheet, PDF (13/16 Pages) Littelfuse – Radial Lead Varistors UltraMOVTM Series
Varistor Products
Radial Lead Varistors > UltraMOVTM 25S Series
UltraMOV™ 25S Series Ratings & Specifications
Maximum Rating (85°C)
Part
Number
V25S115P
Continuous
AC Volts DC Volts
Branding
VM(AC)RMS
VM(DC)
(V)
(V)
P25S115 115
150
Transient
Energy
2ms
Peak Surge
Current
8 x 20µs
WTM
1x
Pulse
ITM
1 x Pulse
(J)
(A)
230
22000
V25S130P P25S130 130
170
255
22000
V25S140P P25S140 140
180
285
22000
V25S150P P25S150 150
200
300
V25S175P P25S175 175
225
315
V25S230P P25S230 230
300
400
V25S250P P25S250 250
320
435
22000
22000
22000
22000
V25S275P P25S275 275
350
470
22000
V25S300P P25S300 300
385
500
22000
V25S320P P25S320 320
420
540
V25S385P P25S385 385
505
630
V25S420P P25S420 420
560
655
V25S440P P25S440 440
585
675
22000
22000
22000
22000
V25S460P P25S460 460
615
690
22000
V25S510P P25S510 510
670
700
22000
V25S550P P25S550 550
745
765
V25S625P P25S625 625
825
800
V25S750P P25S750 750
970
890
22000
22000
22000
Note: Average powder dissipation of transients should not exceed 1.5 watts.
Varistor Voltage
at 1mA DC
Test Current
Specifications (25°C)
Maximum
Clamping
Voltage at 100A,
8 x 20µs
UL 1449 ed.3
Voltage
Protection
Rating
Typical
Capaci-
tance
f = 1MHz
VNOM
Min
VNOM
Max
VC
VPR
C
(V)
162
198
184.5 225.5
198
242
216
264
243
297
324
396
351
429
387
473
423
517
459
561
558
682
612
748
643.5 786.5
675
825
738
902
819
1001
900
1100
1080 1320
(V)
295
335
355
390
450
585
640
700
765
825
1010
1100
1160
1220
1335
1475
1625
1950
400
500
500
500
600
700
800
900
1000
1000
1200
1500
n/a
n/a
n/a
n/a
n/a
n/a
(pF)
4500
3900
3500
3200
2550
1900
1750
1610
1450
1350
1080
1000
900
870
820
750
660
550
Transient V-I Characteristics Curves
Peak Current, Energy and Power Derating Curve
Peak Pulse Current Test Waveform for Clamping Voltage
100
80
60
40
20
0
55
Figure 1
50 60 70 80 90 100 110 120 130
AMBIENT TEMPERATURE (ºC)
For applications exceeding 85ºC ambient temperature, the
peak surge current and energy ratings must be reduced as
shown above.
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/12/14
100
50
0
t
O1
t1
Figure 2
t2
TIM E
01 = Virtual Origin of Wave
T = Time from 10% to 90% of Peak
T1 = Rise Time = 1.25 x T
T2 = Decay Time
Example - For an 8/20 µs Current Waveform:
8µs = T1 = Rise Time
20µs = T2 = Decay Time