V275LA40C20 [LITTELFUSE]
RESISTOR, VOLTAGE DEPENDENT, 473V, 190J, THROUGH HOLE MOUNT;
| 型号： | V275LA40C20 |
| 厂家： | 
LITTELFUSE |
| 描述： | RESISTOR, VOLTAGE DEPENDENT, 473V, 190J, THROUGH HOLE MOUNT |
| 文件： | 总7页 (文件大小：326K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Varistor Products
High Energy Radial Lead
V
D
E
®
®
C-III Varistor Series
The C-III Series of metal-oxide varistors are specifically designed for
high surge energy absorption ratings. This is achieved through a special
dielectric material formulation which also results in higher repetitive
surge ratings than other MOV types.
The C-III series is primarily intended for use in AC line Transient Voltage
Surge Suppressor (TVSS) product environment and other similar appli-
cations requiring high transient energy and peak current capability in a
relatively small package size.
The C-III series is supplied in 14 and 20mm disc versions with various
lead options.
These types are shipped in bulk or Tape and Reel packaging. Part
number and brand information is provided in the Ratings table.
Features
• High Energy Absorption Capability
W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45J to 210J
TM
(2ms)
• High Pulse Life Rating
• High Peak Pulse Current Capability
I
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6000A to 9000A
TM
(8/20µs)
• Wide Operating Voltage Range
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130V to
V
M(AC)RMS
320V
• Available in Tape and Reel for Automatic Insertion; Also Available with
Crimped and/or Trimmed Lead Styles
• No Derating Up to 85oC Ambient
AGENCY APPROVALS: Recognized under the components program of
Underwriters Laboratories. Certified by CSA, VDE and CECC.
AGENCY FILE NUMBERS: UL E75961, CSA LR91788,
VDE 116895E, CECC 42201-006.
ALSO SEE LITTELFUSE
ULTRAMOV™ VARISTOR SERIES
1
Varistor Products
High Energy Radial Lead
C-III Varistor Series
Absolute Maximum Ratings For ratings of individual members of a series, see Device Ratings and Specifications chart
C-III SERIES
UNITS
Continuous:
Steady State AC Voltage Range (V
Transients:
). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 to 320
V
M(AC)RMS
Single-Pulse Peak Current (I ) 8/20µs Wave (See Figure 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6000 to 9000
Single-Pulse Energy Range (W ) 2ms Rectangular Wave . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 to 210
TM
A
J
TM
Maximum Temporary Overvoltage of V
M(AC):
5 Minutes Duration @ 25oC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
5 Minutes Duration @ 125oC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
%
%
Operating Ambient Temperature Range (T ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to 85
A
oC
oC
%/oC
Storage Temperature Range (T
STG
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to125
Temperature Coefficient (αV) of Clamping Voltage (V ) at Specified Test Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <0.01
C
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of thedevice
at these or any other conditions above those indicated in the operational sections of this specification is not implied.
C-III Series Ratings
o
MAXIMUM RATINGS (85 C)
CONTINUOUS
TRANSIENT
PEAK CURRENT (8/20µs)
WITHSTANDING
ENERGY (2ms)
MAXIMUM V
RMS
PART
NUMBER
V
W
(
(J)
)
I
1 PULSE
(A)
I
TM2
2 PULSES
(A)
M(AC)
(V)
TM
TM1
BRAND
130L10C
130L20C
130CX325
V130LA10C
V130LA20C
V130LA20CX325
130
130
130
45
90
90
6000
9000
9000
5000
7000
7000
V140LA10C
V140LA20C
V140LA20CX340
140L10C
140L20C
140CX340
140
140
140
50
100
100
6000
9000
9000
5000
7000
7000
V150LA10C
V150LA20C
V150LA20CX360
150L10C
150L20C
150CX360
150
150
150
55
110
110
6000
9000
9000
5000
7000
7000
V175LA10C
V175LA20C
V175LA20CX425
175L10C
175L20C
175CX425
175
175
175
60
120
120
6000
9000
9000
5000
7000
7000
V230LA20C
V230LA40C
V230LA40CX570
230L20C
230L40C
230X570
230
230
230
80
160
160
6000
9000
9000
5000
7000
7000
V250LA20C
V250LA40C
V250LA40CX620
250L20C
250L40C
250CX620
250
250
250
100
170
170
6000
9000
9000
5000
7000
7000
V275LA20C
V275LA40C
V275LA40CX680
275L20C
275L40C
275CX680
275
275
275
110
190
190
6000
9000
9000
5000
7000
7000
V300LA20C
V300LA40C
V300LA40CX745
300L20C
300L40C
300CX745
300
300
300
120
210
210
6000
9000
9000
5000
7000
7000
V320LA20C
V320LA40C
320L20C
320L40C
320
320
130
220
6000
9000
5000
7000
2
Varistor Products
High Energy Radial Lead
C-III Varistor Series
C-III Series Specifications
o
SPECIFICATIONS (25 C)
MAXIMUM CLAMPING
VOLTAGE
VARISTOR VOLTAGE AT 1mA
DC TEST CURRENT
DUTY CYCLE
SURGE RATING
(8/20µs)
MODEL SIZE
3kA
750A
PART
NUMBER
DISC
DIAMETER (mm)
V
MIN
(V)
V
MAX
(V)
V
(V)
I
p
(A)
(8/20µs)
# PULSES
(8/20µs)
# PULSES
N
N
C
V130LA10C
V130LA20C
V130LA20CX325
14
20
20
184
184
184
228
228
220
340
340
325
50
100
100
10
20
20
80
120
120
V140LA10C
V140LA20C
V140LA20CX340
14
20
20
198
198
198
242
242
230
360
360
340
50
100
100
10
20
20
80
120
120
V150LA10C
V150LA20C
V150LA20CX360
14
20
20
212
212
212
268
268
243
395
395
360
50
100
100
10
20
20
80
120
120
V175LA10C
V175LA20C
V175LA20CX425
14
20
20
247
247
247
303
303
285
455
455
425
50
100
100
10
20
20
80
120
120
V230LA20C
V230LA40C
V230LA40CX570
14
20
20
324
324
324
396
396
384
595
595
570
50
100
100
10
20
20
80
120
120
V250LA20C
V250LA40C
V250LA40CX620
14
20
20
354
354
354
429
429
413
650
650
620
50
100
100
10
20
20
80
120
120
V275LA20C
V275LA40C
V275LA40CX680
14
20
20
389
389
389
473
473
453
710
710
680
50
100
100
10
20
20
80
120
120
V300LA20C
V300LA40C
V300LA40CX745
14
20
20
420
420
420
517
517
490
775
775
745
50
100
100
10
20
20
80
120
120
V320LA20C
V320LA40C
14
20
462
462
565
565
850
850
50
100
10
20
80
120
NOTE: Average power dissipation of transients not to exceed 0.6W and 1W for model sizes 14mm and 20mm, respectively.
Power Dissipation Ratings
100
90
80
70
60
50
40
30
20
10
0
Should transients occur in rapid succession, the average power
dissipation is the energy (watt-seconds) per pulse times the number of
pulses per second. The power so developed must be within the
specifications shown on the Device Ratings and Specifications table for
the specific device.The operating values of a MOV need to be derated
at high temperatures as shown in Figure 1. Because varistors only
dissipate a relatively small amount of average power they are not
suitable 0for repetitive applications that involve substantial amounts of
average power dissipation.
-55
50
60
70
80
90 100 110 120 130 140 150
o
AMBIENTTEMPERATURE ( C)
FIGURE 1. CURRENT, ENERGY AND POWER DERATING
CURVE
3
Varistor Products
High Energy Radial Lead
C-III Varistor Series
100
90
O
= Virtual Origin of Wave
1
T = Time From 10% to 90% of Peak
T
T
= Virtual Front time = 1.25 • t
= Virtual Time to Half Value (Impulse Duration)
1
2
50
Example: For an 8/20µs Current Waveform:
8µs = T = Virtual Front Time
1
20µs = T = Virtual Time to Half Value
2
10
O
T
TIME
1
T
1
T
2
FIGURE 2. PEAK PULSE CURRENT TEST WAVEFORM
Transient V-I Characteristics Curves
MODEL SIZE = 14mm
MODEL SIZE = 20mm
o
o
o
o
T
= -55 C TO 85 C
A
T
= -55 C TO 85 C
A
2,000
1,000
500
2,000
1,000
130 TO 320V
RATING
M(AC)
130 TO 320V
M(AC)
RATING
V320LA20C
V300LA20C
V275LA20C
V250LA20C
V230LA20C
V320LA40C
V300LA40C
V275LA40C
V250LA40C
V230LA40C
500
300
200
300
200
V175LA20C
V150LA20C
V140LA20C
V175LA10C
V150LA10C
V140LA10C
V130LA10C
V130LA20C
100
10
100
10
-3
-2
10
-1
10
0
1
2
10
3
4
-3
-2
10
-1
10
0
1
2
10
3
4
10
10
10
10
10
10
10
10
PEAK AMPERES (A)
PEAK AMPERES (A)
FIGURE 4. MAXIMUMCLAMPING VOLTAGE FORV130LA20C
TO V320LA40C
FIGURE 3. MAXIMUM CLAMPING VOLTAGE FOR V130LA10C
TO V320LA20C
MODEL SIZE = 20mm
o
o
T
= -55 C TO 85 C
A
130 TO 300V
RATING
M(AC)
V300LA40CX745
V275LA40CX680
V250LA40CX620
V230LA40CX570
1,000
V175LA20CX425
V150LA20CX360
V140LA20CX340
V130LA20CX325
100
-3
10
-2
10
-1
10
0
1
2
3
4
10
10
10
10
10
PEAK AMPERES (A)
FIGURE 5. MAXIMUM CLAMPING VOLTAGE FOR V130LA20CX325 TO V300LACX745
4
Varistor Products
High Energy Radial Lead
C-III Varistor Series
Pulse Rating Curves
10,000
MODEL SIZE = 20mm
10,000
1,000
100
1
MODEL SIZE = 14mm
1
o
o
T
= -55 C TO 85 C
o
o
2
A
10
2
T
= -55 C TO 85 C
A
10
130 TO 320V
M(AC)
RATING
130 TO 320V
M(AC)
RATING
2
10
10
2
10
10
10
1,000
100
10
3
4
3
4
10
INDEFINITE
SURGE
CAPABILITY
INDEFINITE
SURGE
CAPABILITY
10
1
1
10
10
100
1,000
10,000
100
1,000
10,000
SURGE IMPULSE DURATION (µs)
SURGE IMPULSE DURATION (µs)
FIGURE 7. REPETITIVE SURGE CAPABILITYFOR
V130LA20CTO V320LA40C
FIGURE 6. REPETITIVE SURGE CAPABILITYFOR
V130LA10CTO V320LA20C
Tape and Reel Specification
MODEL SIZE
14mm 20mm
SYMBOL
DESCRIPTION
Pitch of Component
Feed Hole Pitch
P
25.4 ± 1.0
12.7 ± 0.2
2.60 ± 0.7
6.35 ± 1.0
P
P
P
0
1
2
Feed Hole Center to Pitch
Hole Center to Component
Center
F
Lead to Lead Distance
Component Alignment
Tape Width
7.50 ± 0.8
2.00 Max
h
W
18.25 ± 0.75
6.00 ± 0.3 12.0 ± 0.3
9.125 ± 0.625
0.5 Max
W
Hold Down Tape Width
Hole Position
0
1
2
W
W
Hold Down Tape Position
H
Height From Tape Center To
Component Base
19.0 ± 1.0
H
Seating Plane Height
Component Height
16.0 ± 0.5
0
1
0
H
D
40 Max
46.5 Max
Feed Hole Diameter
Total Tape Thickness
Length of Clipped Lead
Component Alignment
4.0 ± 0.2
t
0.7 ± 0.2
L
p
12.0 Max
o
3
Max
5
Varistor Products
High Energy Radial Lead
C-III Varistor Series
Tape and Reel Data
Additional Lead Style Options
Radial lead types can be supplied with combination preformed crimp and
• Conforms to ANSI and EIA Specifications
trimmed leads. This option is suppliedto the dimensions shown below.
• Can be supplied to IEC publication 286-2
• Radial devices on tape and reel are supplied with either crimped
leads, straight leads, or under-crimped leads
VARISTOR MODEL SIZE
14mm
20mm
Tape and Reel Ordering Information
SYMBOL
MIN
MAX
MIN
MAX
• Crimped leads are standard on LA types supplied in tape and reel
and are denoted by the model letter “T”. Also, in tape and reel,
model letter “S” denotes straight leads and letter “U” denotes special
under-crimped leads.
A
-
24.5
(0.96)
-
31
(1.22)
L
2.41
4.69
2.41
4.69
Example:
TRIM
(0.095)
(0.185)
(0.095)
(0.185)
UNDER
STANDARD
MODEL
CRIMPED
LEADS
STRAIGHT
LEADS
CRIMP
LEADS
NOTE: Dimensions are in millimeters (inches).
V130LA20C
V130LT20C
V130LS20C
V130LU20C
Shipping Quantity
QUANTITY PER REEL
DEVICE SIZE
14mm
“T”REEL
500
“S”REEL
500
“U”REEL
500
500
20mm
500
500
CRIMPED AND TRIMMED LEAD
*Seating plane interpretation per IEC-717
• To order this crimped and trimmed lead style, the standard radial
type model number “LA” is changed to the model number “LC”.This
option is supplied in bulk only.
Example:
STANDARD MODEL
ORDER AS
V130LA20C
V130LC20C
• For 10 ± 1mm lead spacing on 20mm units only; append standard
model numbers by adding “X10” suffix.
VARISTOR MODEL SIZE
STANDARD MODEL
ORDER AS
VRMS
14mm
20mm
VOLTAGE
MODEL
V130LA20C
V130LC20C
SYMBOL
MIN
MAX
MIN
MAX
13.5
(0.531)
17.5
(0.689)
A
ALL
ALL
ALL
20
(0.787)
26.5
(1.043)
Example:
13.5
(0.531)
17.5
(0.689)
ØD
e
17
(0.669)
23
(0.906)
• For other lead style variations to the above, please contact Littelfuse.
6.5
8.5
6.5
8.5
(0.256)
(0.335)
(0.256)
(0.335)
2.5 (0.098) 5.5 (0.216) 2.5 (0.098) 5.5 (0.216)
4.5 (0.177) 9.0 (0.354) 4.5 (0.177) 9.0 (0.354)
Reliability Performance of C-III Series
e1
130 - 250
275 - 550
The electrical ratings of the C-III series of MOVs are conservatively
stated. Samples of these devices have been tested under additional
stresses, over and above those called out in the data sheet. The results
of this testing show an enhanced device performance.
-
-
7.3 (0.287)
11 (0.433)
-
-
7.3 (0.287)
11 (0.433)
E
130 - 250
275 - 550
Øb
ALL
0.76
0.86
0.76
0.86
(0.030)
(0.034)
(0.030)
(0.034)
The series of stress tests to which the units were subjected are a combi-
nation of electrical, environmental and mechanical tests. A summary of
the reliability tests performed on the C-III series are described in Table 1.
Dimensions are in millimeters (inches)
NOTE: 10mm lead spacing also available. See additional lead
style options.
6
Varistor Products
High Energy Radial Lead
C-III Varistor Series
Additionally, all 20mm C-III devices are listed to the “Permanently
Connected” category (10kA) of UL1449, by Underwriter’s Laboratories, Inc.
REFERENCE
STANDARD
TEST
CONDITIONS
TEST
RESULTS
TEST
Surge
As a measure of the inherent device capability, samples of the 20mm
V130LA20C devices were subjected to a worst case repetitive transient
surges test. After 100 pulses, each of 3kA, there was negligible change
in the device characteristics. Changes in the clamping voltage, measured
at 100 amps, of less than 3% were recorded (Figure 9). Samples of the
14mm Series V175LA20C were subjected to repetitive surge occur-
rences of 750A. Again, there was negligible changes in any of the device
characteristics after 250 pulses (Figure 10). In both cases the inherent
device capability is far in excess of the expected worst case scenario.
UL 1449
IEEE/ANSI
C62.41
9000A
(8/20µs)
1 Pulse
0/165
0/105
0/75
Current
IEC 1051
7000A
(8/20µs)
2 Pulses
3000A
300
(8/20µs)
20 Pulses
V130LA20C
250
200
150
100
750A
(8/20µs)
120 Pulses
0/65
Surge
Energy
UL 1449
IEEE/ANSI
C62.41
90J
(2ms)
1 Pulse
0/125
IEC 1051
o
Operating
Life
Mil-Std-202
Method 204D
125 C, 1000 Hours,
0/180
0/70
0
100 200 300 400 500 600 700 800 900 1000 1100
TIME (HOURS)
Rated Bias Voltage
o
Temporary N/A
Overvoltage
120% Maximum
RatedVaristor Voltage
For 5 Minutes
FIGURE 8. HIGHTEMPERATURE OPERATING LIFE 125 C
FOR 1000 HOURS AT RATED BIAS
500
V130LA20C
3kA (8/20µs)
TABLE 1.
AC Bias Reliability
450
The C-III series of metal oxide varistors was designed for use on the AC
line. The varistor is connected across the AC line and is biased with a
constant amplitude sinusoidal voltage. It should be noted that the definition
of failure is a shift in the nominal varistor voltage (VN) exceeding ±10%.
Although this type of varistor is still functioning normally after this
magnitude of shift, devices at the lower extremities of VN tolerance
will begin to dissipate more power.
400
350
(RATED FOR 20 SURGES)
300
0
10 20 30 40 50 60 70 80 90 100 110 120
NUMBER OF SURGES
Because of this possibility, an extensive series of statistically designed
tests were performed to determine the reliability of the C-III type of varistor
under AC bias combined with high levels of temperature stress. To date,
this test has generated over 50,000 device hours of operation at a tempera-
ture of 125oC, although only rated at 85oC. Changes in the nominal varistor
voltage, measured at 1mA, of less than 2% have been recorded (Figure 8).
FIGURE 9. TYPICAL REPETITIVE SURGE CURRENT
CAPABILITYOF C-III SERIES MOVs
600
V175LA20C
750A (8/20µs)
Transient Surge Current/Energy
Transient Capability
The transient surge rating serves as an excellent figure of merit for the C-III
varistor. This inherent surge handling capability is one of the C-III varistor’s
best features. The enhanced surge absorption capability results from
improved process uniformity and enhanced construction. The homogeneity
of the raw material powder and improved control over the sintering and
assembly processes are contributing factors to this improvement.
550
500
450
400
350
300
(RATED FOR 80 SURGES)
In the low power AC mains environment, industry standards (UL, IEC,
NEMA and IEEE) all suggest that the worst case surge occurrence will be
3kA. Such a transient event may occur up to five times over the equipment
life time (approximately 10 years). While the occu rences of five 3kA
transients is the required capability, the conservatively rated, repetitive
0
50
100
150
200
250
300
NUMBER OF SURGES
FIGURE 10. TYPICAL REPETITIVE SURGE CURRENT
CAPABILITYOF C-III SERIES MOVs
7
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