TMOV14R130EL1B1 [LITTELFUSE]
Varistor, 226V, 50J, Through Hole Mount, RADIAL LEADED;
| 型号： | TMOV14R130EL1B1 |
| 厂家： | 
LITTELFUSE |
| 描述： | Varistor, 226V, 50J, Through Hole Mount, RADIAL LEADED |
| 文件： | 总8页 (文件大小：186K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Varistor Products
Thermally Protected
TMOV™ and iTMOV™ Varistor Series
®
The Littelfuse TMOV and iTMOV thermally protected varistors represent a
new development in integrated circuit protection. Both versions are com-
prised of radial leaded MOVs (Metal Oxide Varistors) with an integrated
thermally activated element designed to open in the event of overheating
due to the abnormal overvoltage, limited current, conditions outlined in
UL1449.
The iTMOV varistor differs from the TMOV varistor by the inclusion of a
third lead for the purpose of indicating that the MOV has been disconnect-
ed from the circuit. This lead facilitates connection to monitoring circuitry.
The TMOV and iTMOV varistors offer quick thermal response due to the
close proximity of the integrated thermal element to the MOV body. The
integrated configuration also offers lower inductance than most discrete
solutions resulting in improved clamping performance to fast over-voltage
transients. Additionally, TMOV and iTMOV varistors are wave solderable,
thus simplifying end product assembly by reducing the expense and
rework associated with hand soldering operations.
The TMOV and iTMOV varistors are both recognized surge suppression
components to UL 1449. The TMOV and iTMOV varistor’s integrated
thermal element, in conjunction with appropriate enclosure design, helps
facilitate TVSS module compliance to UL1449 for both cord connected
and permanently connected applications.
TMOV and iTMOV varistors are compatible for use with industry standard
wave-soldering processes or recommended hand-soldering methods.
Features
• Patent Pending Integrated Thermal Protection Device
• Designed to facilitate compliance to UL1449 for TVSS product
• High peak surge current rating up to 10kA
• Wave solderable
• Standard lead form and spacing option
• Low Leakage
• -55°C to +85°C Operating Temperature Range
• Third lead for indication purposes.
AGENCY APPROVALS: Recognized under the components program of
Underwriters Laboratories UL1449. Includes selected tests from UL1020,
regarding thermal cutoffs.
AGENCY FILE NUMBERS: UL E75961
Applications
• TVSS Products
• AC Panel Protection Modules
• AC Line Power Supplies
• Surge Protected Strip Connectors
• AC Power Meters
• Re-locatable AC Power Taps
24
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Varistor Products
Thermally Protected
TMOV™ and iTMOV™ Varistor Series
TMOV Varistor Series - Absolute Maximum Ratings
Absolute Maximum Ratings For ratings of individual members of a series, see Device Ratings and Specifications chart
Continuous:
TMOV Varistor
UNITS
Steady State Applied Voltage:
AC Voltage Range (V
Transient:
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 to 420
V
M(AC)RMS
2
Peak Pulse Current (I
TM
)
For 8x20µs Current Wave, single pulse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6000 to 10,000
Single-Pulse Energy Capability
A
J
For 2ms Current Wave . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 to 320
Operating Ambient Temperature Range (T ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to 85
A
oC
oC
Storage Temperature Range (T
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to 125
STG
Temperature Coefficient (αV) of Clamping Voltage (V ) at Specified Test Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <0.01
%/oC
V
C
Hi-Pot Encapsulation (Isolation Voltage Capability). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2500
Thermal Protection Isolation Voltage Capability (when operated). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600
Insulation Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1,000
V
MΩ
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 the device
at these or any other conditions above those indicated in the operational sections of this specification is not implied.
Device Ratings and Specifications - TMOV Varistor Series™
MAXIMUM RATING (85°C)
CONTINUOUS TRANSIENT
SPECIFICATIONS (25°C)
MAXIMUM
TYPICAL
CAPACI-
TANCE
PEAK SURGE
CURRENT
8/20µs
VARISTOR
VOLTAGE AT 1mA
TEST CURRENT
CLAMPING
VOLTAGE
8/20µs
SUPPRESSED
VOLTAGE
DEVICE
MODEL
NUMBER
BRAND-
ING
DISC
DIA-
METER
AC
ENERGY
2ms
RATING
VOLTS
f = 1MHz
UL 1449
TABLE 60.1
ITM
ITM
VN(DC)
VN(DC)
VM(AC)RMS
(V)
WTM
(J)
VC
IPK
C
1 x PULSE
2 x PULSE
MIN
MAX
PART
NUMBER
(V)
(A)
(A)
(V)
(V)
(A)
(pF)
1100
2400
1000
1900
900
1750
800
1600
700
1400
550
1100
500
1000
450
900
380
750
360
700
300
600
(mm)
162
162
184
184
200
200
216
216
243
243
324
324
351
351
387
387
459
459
558
558
612
612
198
198
226
226
240
240
264
264
297
297
396
396
429
429
473
473
561
561
682
682
748
748
4T115E
20T115E
4T130E
20T130E
4T140E
20T140E
4T150E
20T150E
4T175E
20T175E
4T230E
20T230E
4T250E
20T250E
4T275E
20T275E
4T320E
20T320E
4T385E
20T385E
4T420E
20T420E
115
115
300
300
35
52
6000
10000
4500
6500
4500
6500
4500
6500
4500
6500
4500
6500
4500
6500
4500
6500
4500
6500
4500
6500
4500
6500
4500
6500
50
100
50
100
50
100
50
100
50
100
50
100
50
100
50
100
50
100
50
TMOV14R115E
TMOV20R115E
TMOV14R130E
TMOV20R130E
TMOV14R140E
TMOV20R140E
TMOV14R150E
TMOV20R150E
TMOV14R175E
TMOV20R175E
TMOV14R230E
TMOV20R230E
TMOV14R250E
TMOV20R250E
TMOV14R275E
TMOV20R275E
TMOV14R320E
TMOV20R320E
TMOV14R385E
TMOV20R385E
TMOV14R420E
TMOV20R420E
300
300
340
340
360
360
395
395
455
455
595
595
650
650
710
710
840
840
1025
1025
1120
1120
14
20
14
20
14
20
14
20
14
20
14
20
14
20
14
20
14
20
14
20
14
20
130
130
140
140
150
150
175
175
230
230
250
250
275
275
320
320
385
385
420
420
400
400
500
400
500
400
700
700
700
700
800
700
900
700
900
900
1200
1200
1200
1200
50
100
55
110
60
120
70
135
80
160
100
170
110
190
136
273
150
300
160
320
6000
10000
6000
10000
6000
10000
6000
10000
6000
10000
6000
10000
6000
10000
6000
10000
6000
10000
6000
10000
100
50
100
25
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Varistor Products
Thermally Protected
TMOV™ and iTMOV™ Varistor Series
iTMOV Varistor Series - Absolute Maximum Ratings
Absolute Maximum Ratings
Continuous:
iTMOV Varistor
UNITS
Steady State Applied Voltage:
AC Voltage Range (V
Transient:
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 to 420
V
M(AC)RMS
Pulse Peak Current (I
TM
)
For 8/20µs Current Wave, Single Pulse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10,000
Single-Pulse Energy Capability
A
J
For 10/1000µs Current Wave . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 to 320
Operating Ambient Temperature Range (T ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to 85
A
oC
Storage Temperature Range (T
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to 125
oC
STG
Temperature Coefficient (αV) of Clamping Voltage (V ) at Specified Test Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <0.01
%/oC
V(AC)
V(AC)
MΩ
C
Hi-Pot Encapsulation (Isolation Voltage Capability). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2500
Isolation Voltage Capability (When Thermal Element Has Opened) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600
Insulation Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000
Indicator Lead Rating (Lead-3):
Continuous RMS current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Surge Current, 8/20µs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10,000
mA
A
Device Ratings and Specifications - iTMOV Varistor Series
MAXIMUM RATING (85°C)
SPECIFICATIONS (25°C)
CONTINUOUS
TRANSIENT
MAXIMUM
CLAMPING
VOLTAGE
8/20µs
TYPICAL
CAPACI-
TANCE
MINIMUM
SUPPRESSED
VOLTAGE
PEAK SURGE
CURRENT
8/20µs
VARISTOR
VOLTAGE AT 1mA
TEST CURRENT
DEVICE
MODEL
NUMBER
BRAND-
ING
DISC
DIA-
METER
RMS
ENERGY
2ms
VOLTS
f = 1MHz
RATING
UL 1449
TABLE 60.1
ITM
ITM
VN(DC)
VN(DC)
VM(AC)
(V)
WTM
(J)
VC
IPK
(A)
C
(pF)
1 x PULSE 2 x PULSE
MIN
MAX
PART
NUMBER
(V)
(A)
(A)
(V)
(V)
(mm)
TMOV20R115M
TMOV20R130M
TMOV20R140M
TMOV20R150M
TMOV20R175M
TMOV20R230M
TMOV20R250M
TMOV20R275M
TMOV20R320M
TMOV20R385M
TMOV20R420M
20T115M
20T130M
20T140M
20T150M
20T175M
20T230M
20T250M
20T275M
20T320M
20T385M
20T420M
115
130
140
150
175
230
250
275
320
385
420
300
400
400
400
700
700
700
700
900
1200
1200
52
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
162
184
200
216
243
324
351
387
459
558
612
198
226
240
264
297
396
429
473
561
682
748
300
340
360
395
455
595
650
710
840
1025
1120
100
100
100
100
100
100
100
100
100
100
100
2400
1900
1750
1600
1400
1100
1000
900
20
20
20
20
20
20
20
20
20
20
20
100
110
120
135
160
170
190
273
300
320
750
700
600
26
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Varistor Products
Thermally Protected
TMOV™ and iTMOV™ Varistor Series
Lead Configurations
TMOV Varistor
iTMOV Varistor
2
Thermal
Fuse
Thermal
Fuse
2
Element
Element
3
Monitor Lead
3
MOV
MOV
1
2
1
Note: MOVs are non-polarized passive elements
Line
Line Fuse
iTMOV Varistor Application Examples
The application examples below show how the indicator lead on the
iTMOV can be used to indicate that the thermal element has been
opened. This signifies that the circuit is no longer protected from
transients by the MOV.
iTMOV Varistor
LED
R
Application Example 1 (Figure 1)
In this case, the LED is normally on, and is off when the thermal
element opens.
Neutral
Application Example 2 (Figure 2)
Figure 1. Application example 1
This circuit utilizes an optocoupler to provide galvanic isolations
between the iTMOV varistor and the indicating or alarm circuitry.
Line
Application Example 3 (Figure 3)
Line Fuse
This circuit illustrates the use of the monitoring lead of the iTMOV
varistor to ensure that equipment is only operated when overvoltage
protection present. In normal operation the load switch relay solenoid is
powered via the indicator lead of the iTMOV varistor. In the event of the
thermal element being activated, the relay will deactivate, cutting power
to the protected circuit and the fault LED will illuminate.
iTMOV Varistor
R
AC OPTOCOUPLER
TO STATUS
ANNUNCIATOR
LIGHT/ALARM
Neutral
Figure 2. Application example 2
Please note: Indicator circuits are provided as a guideline only.
Verification of actual indicator circuitry is the responsibility of the end
user. Component values selected must be appropriate for the specific
AC line voltage service and application.
Line
Load Switch Relay
(loss of protection)
Line Fuse
"Load Powered"
neon lamp
iTMOV Varistor
Fault LED
(Normallyoff)
R
Neutral
Figure 3. Application example 3
27
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Varistor Products
Thermally Protected
TMOV™ and iTMOV™ Varistor Series
Thermal Characteristics
10
100
80
60
40
20
0
Typical
5A
2.5A
0.5A
Limited
Current
(A)
0.125A
1
0.1
10
100
1000
10000
Time
s
-55
50
60
70
80
90
100
110
120
130
AMBIENT TEMPERATURE (ºC)
* Figure 4: Typical time to open circuit under UL1449
Abnormal Overvoltage Limited Current Test
Figure 5: Peak Current & Energy Derating Curve
Note : The TMOV and iTMOV varistors are intended, in conjunction with
appropriate enclosure design, to help facilitate TVSS module compliance
to UL 1449, Section 37.4 (abnormal overvoltage limited current require-
ments). Under these extreme abnormal overvoltage conditions, the units
will exhibit substantial heating and potential venting prior to opening.
Modules should be designed to contain this possibility. Application testing
is strongly recommended.
For applications exceeding 85ºC ambient
temperature, the peak surge current and energy
ratings must be reduced as shown in Figure 3.
Transient V-I Characteristic Curves
20mm
14mm
10000
10000
Maximum Clamping Voltage
Maximum Clamping Voltage
Maximum Leakage Current
Maximum Leakage Current
420V
385V
420V
385V
320V
275V
250V
230V
320V
275V
250V
1000
230V
1000
150V
140V
130V
115V
175V
150V
140V
130V
115V
100
0.000001 0.00001 0.0001 0.001 0.01 0.1
Peak Current (A)
100
1
10
100 1000 10000
0.000001 0.00001 0.0001 0.001 0.01 0.1
1
10
100 1000 10000
Peak Current (A)
Figure 7: V-I Characteristic Curves for 20mm Types
Figure 6: V-I Characteristic Curves for 14mm Types
Pulse Rating Curves
10000
10000
1000
100
10
1
1
10
10
2
102
102
Model 14 mm
Model 20 mm
104
2
103
103
104
1000
100
10
105
105
106
106
∞
∞
1
1
10
100
1000
10000
10
100
1000
10000
Impulse Duration (µs)
Impulse Duration (µs)
Figure 9: Pulse Rating Curves for 20mm types
Figure 8: Pulse Rating Curves for 14mm types
28
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Varistor Products
Thermally Protected
TMOV™ and iTMOV™ Varistor Series
Figure 10: Wave Solder Profile
Soldering Recommendations
Because the TMOVTM and iTMOV varistors contain a thermal protection
device, care must be taken when soldering the devices into place. Two
soldering methods are possible. Firstly, hand soldering: It is recommend-
ed to use pliers to heat-sink the leads of the device. Secondly, wave-
soldering: This is a strenuous process requiring pre-heat stages to
reduce the stresses on surface-mounted devices. It is critically
important that all preheat stage and the solder bath temperatures are
rigidly controlled.
300
250
M A X IM U M W A V E 2 4 0 º C
200
150
100
2
The recommended solder for the TMOV and iTMOV varistors is a
62/36/2 (Sn/Pb/Ag), 60/40 (Sn/Pb) or 63/37 (Sn/Pb). Littelfuse also
recommends an RMA solder flux.
PREHEAT
50
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Ordering Information
TIME (MINUTES)
Standard Parts
TMOV 20
R
150
E
DEVICE FAMILY
Littelfuse Thermally Protected MOV
DISC DIAMETER (mm)
14 or 20mm
CERAMIC SHAPE
R: Round
VM(AC)RMS
115V to 420V
Series Designator
E: 2- Leaded TMOV Varistor Series
Supplied in Bulk Pack with 7.5mm
lead spacing.
M: 3-Leaded iTMOV Varistor Series
Supplied in Bulk Pack with 7.5mm
NOTE: By ordering the standard part number, i.e. TMOV20R150E, standard lead styles,
packing and lead spacing will be supplied. These specifications are as follows:
• Straight Leads
• Bulk Packed
• 7.5mm Lead Spacing
lead spacing (between leads 1 & 2)
To change any of the ordering information use the additional option nomenclature.
(Available in 20mm only)
Additional Options
Standard Part #
L1
T
7
Lead Spacing
7 = 7.5mm
1 = 10mm
NOTE: For additional options, all 3 additional fields must be added to the standard part
number, i.e. TMOV20R275E L1 T 1,
• Don’t use additional option fields for standard parts.
Packing
NOTE: Lead spacing is for MOV leads only. The indicator lead space (iTMOV Varistor) is
T = Tape and Reel
B = Bulk Pack
only available at 5mm.
Lead Style
L1: Straight Leads
29
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Varistor Products
Thermally Protected
TMOV™ and iTMOV™ Varistor Series
TMOV Varistor
iTMOV Varistor
VRMS
VARISTOR MODEL SIZE
SYMBOL
MODEL
VOLTAGE
14mm
MIN
20mm
MAX
20mm
MAX
MIN
MIN
MAX
mm (inch) mm (inch) mm (inch) mm (inch)
mm (inch)
mm (inch)
13.5
(0.531)
20
(0.787)
17.5
(0.689)
28
(1.102)
17.5
(0.689)
28
(1.102)
13.5
(0.531)
6.5
17
(0.669)
8.5
17.5
(0.689)
6.5
23
(0.906)
8.5
17.5
(0.689)
6.5
23
(0.906)
8.5
I
(0.256)
(0.335)
(0.256)
(0.335)
(0.256)
(0.335)
2.5
5.5
2.5
5.5
2.5
5.5
(0.098)
(0.216)
(0.098)
(0.216)
(0.098)
(0.216)
2.5
5.5
2.5
5.5
2.5
5.5
(0.098)
(0.216)
(0.098)
(0.216)
(0.098)
(0.216)
4.0
(0.157)
6.0
(0.236)
-
-
-
1.3
(0.051)
8.3
(0.327)
11
-
-
8.3
(0.327)
11
-
-
8.3
(0.327)
11
(0.433)
(0.433)
(0.433)
25.4
25.4
25.4
-
(1.00)
(1.00)
(1.00)
10.0
(0.394)
0.76
-
0.76
(0.030)
0.86
(0.034)
0.76
(0.030)
0.86
(0.034)
0.86
(0.034)
I
(0.030)
I D
I D
A
L
A
L3
e3
L
b
b
I
I
e1
e1
E
E
e
e
e2
For other lead spacing contact your Littelfuse Sales Representative.
Standard Bulk Pack Quantities
STANDARD BULK PACK QUANTITY
VOLTAGE MODEL
TAPE AND REEL
VARISTOR MODEL SIZE
20mm
14mm
500
130 - 250
400
300
Contact a Littelfuse
Sales Representative
275 or Higher
400
30
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Varistor Products
Thermally Protected
TMOV™ and iTMOV™ Varistor Series
Tape Specifications for Reel or Ammo Pack (Fan-Fold)
• Conforms to ANSI and EIA specifications.
• Can be supplied to IEC Publication 286-2
• Reel capacity varies with voltage.
2
Contact Littelfuse for details.
STRAIGHT
LEADS“L1”
MODEL SIZE
SYMBOL
PARAMETER
14mm
20mm
B
Component Top to Seating Plane
21.50 0.50
28.00 0.50
1
P
Pitch of Component
25.4 1.0
12.7 0.2
2.6 0.7
25.4 1.0
12.7 0.2
2.6 0.7
P
P
P
Feed Hole Pitch
0
1
2
Feed Hole Center to Pitch
Hole Center to Component Center
6.35 0.7
6.35 0.7
F
Lead to Lead Distance
Component Alignment
7.5 0.8
2.0 Max
10.0 0.8
2.0 Max
∆h
W
Tape Width
18.0 + 1.0
18.0 - 0.5
18.0 + 1.0
18.0 - 0.5
W
W
Hold Down Tape Width
Hole Position
6.0 0.3
12.0 0.3
0
1
9.0 + 0.75
9.0 - 0.50
9.0 + 0.75
9.0 - 0.50
W
Hold Down Tape Position
0.5 Max
0.5 Max
2
H
Height from Tape Center to Component Base
18.0 + 2.0
18.0 - 0.0
18.0 + 2.0
18.0 - 0.0
H
Component Height
40.0 Max
46.5 Max
1
0
D
Feed Hole Diameter
Total Tape Thickness
Length of Clipped Lead
Component Alignment
4.0 0.2
0.7 0.2
11.0 Max
4.0 0.2
0.7 0.2
11.0 Max
t
L
o
o
∆p
3 Max, 1.00mm
3 Max
Dimensions are in mm.
31
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