TMOV25SP385M Littelfuse Inc, TMOV25SP385M Datasheet - Page 70

• Manufacturer Part Number: TMOV25SP385M
• Description: TMOV VARISTOR PB FREE 25S
• Manufacturer: Littelfuse Inc
• Series: iTMOV®r

Specifications of TMOV25SP385M

• Varistor Voltage: 682V
• Current-surge: 20kA
• Number Of Circuits: 1
• Maximum Ac Volts: 385VAC
• Energy: 430J
• Package / Case: Disc 25mm 3-Lead
• Suppressor Type: Varistor
• Peak Surge Current @ 8/20µs: 20000A
• Varistor Case: 25mm DISC
• Clamping Voltage Vc Max: 1010V
• Peak Energy (10/1000us): 430J
• Voltage Rating Vdc: 682V
• Voltage Rating Vac: 385V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Maximum Dc Volts: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

NOTE: V300-V510SM7 are recognized under UL file # E320116, agency certification in progress for V275SM7 .
SM7 Series Varistor
NOTE: If pulse ratings are exceeded, a shift of
±10% could result. This type of shift, which normally results in a decrease of
result in the device not meeting the original published specifications, but it does not prevent
the device from continuing to function, and to provide ample protection.
V275SM7 *
V300SM7
V320SM7
V385SM7
V420SM7
V460SM7
V480SM7
V510SM7
LA Series Ratings & Specifications
Peak Current, Energy and Power Derating Curve
For applications exceeding 85ºC ambient temperature, the peak
surge current and energy ratings must be reduced as shown below
V-I Limit Curves
Number
2000
1500
1000
500
Part
100
90
80
70
60
50
40
30
20
10
0
0.001
-55
0
50
0.01
60
V
V
275
300
320
385
420
460
480
510
(V)
M(AC)
RMS
Continuous
70
AMBIENT TEMPERATURE (
0.1
80
Current(A)
Maximum Rating (85°C)
V
369
405
420
505
560
640
675
90
V
615
(V)
M(DC)
1
V
DC
N(DC) (at specified current) of more than
100
Surface Mount Varistors > SM7 Series
10 x 1000μs
110
10
Energy
W
o
(J)
120
23
25
25
27
30
37
35
40
C)
TM
100
Transient
130
140 150
Peak Current
1000
V
N(DC)
8 x 20μs
V510SM7
V480SM7
V460SM7
V420SM7
V385SM7
V320SM7
V300SM7
1200
1200
1200
1200
1200
1200
1200
1200
(A)
I
Revision: November 5, 2009
, may
TM
Varistor Products
66
V
NOM
Varistor Voltage
389
420
462
558
640
670
735
610
(V)
Peak Pulse Current Test Waveform for Clamping Voltage
Pulse Rating Curves
Test Current
at 1mA DC
Min V
10000
O
1000
1
100
0
T = Time from 10% to 90% of Peak
T
T
Example - For an 8/20 μs Current Waveform:
10
1
100
1
2
1
50
10
= Virtual Origin of Wave
= Rise Time = 1.25 x T
= Decay Time
0
8μs = T
20μs = T
10
10
NOM
10
1
2
2
3
473
565
682
790
825
517
748
910
(V)
Specifications (25°C)
Max
t
1
t
Please refer to www.littelfuse.com/series/sm7.html for current information.
1
2
= Rise Time
= Decay Time
1025
1240
1200
1120
1190
775
850
710
(V)
V
Maximum
Clamping
8 x 20 μs
C
Voltage
100
t
Impulse Duration (μs)
(A)
I
10
10
10
10
10
10
10
10
10
PK
4
Specifications are subject to change without notice.
10
5
Capacitance
10
f = 1MHz
Typical
6
1000
(pF)
80
70
65
60
55
55
50
45
C
©2009 Littelfuse, Inc.
TIM E
10000