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參數(shù)資料
| 型號： | TMOV20R175M |
| 廠商： | Littelfuse, Inc. |
| 元件分類： | 壓敏電阻 |
| 英文描述： | Varistor Products - Thermally Protected |
| 中文描述： | 壓敏電阻器產(chǎn)品-熱保護 |
| 文件頁數(shù)： | 6/9頁 |
| 文件大小： | 835K |
| 代理商： | TMOV20R175M |
2
Varistor Products
29
www.littelfuse.com
V
P
TMOV
and
i
TMOV
Varistor Series
* Figure 4: Typical time to open circuit under UL1449
Abnormal Overvoltage Limited Current Test
0.1
1
10
10
100
1000
10000
Time s
0.125A
0.5A
2.5A
5A
Typical
L
For applications exceeding 85
o
C ambient
temperature, the peak surge current and energy
ratings must be reduced as shown in Figure 3.
Figure 5: Peak Current & Energy Derating Curve
0
20
40
60
80
100
-55
50
60
70
80
90
100
110
120
130
AMBIENT TEMPERATURE (
o
C)
P
Thermal Characteristics
Transient V-I Characteristic Curves
100
0.000001 0.00001 0.0001 0.001
1000
10000
0.01
Peak Current (A)
0.1
1
10
100
1000
10000
C
175V
320V
250V
Figure 6: V-I Characteristic Curves for 14mm Types
Pulse Rating Curves
420V
Maximum Leakage Current
Maximum Clamping Voltage
14mm
100
0.000001 0.00001 0.0001 0.001
1000
10000
0.01
Peak Current (A)
0.1
1
10
100
1000
10000
C
175V
320V
230V
200V
Figure 7: V-I Characteristic Curves for 20mm Types
420V
Maximum Leakage Current
Maximum Clamping Voltage
20mm
460V
750V
Figure 9: Pulse Rating Curves for 20mm types
1
10
100
1000
10000
10
100
1000
10000
Impulse Duration (
μ
s)
P
1
10
2
10
3
∞
Model 20 mm
2
10
4
10
5
10
6
10
Figure 8: Pulse Rating Curves for 14mm types
1
10
100
1000
10000
10
100
1000
10000
Impulse Duration (
μ
s)
P
1
10
10
2
10
3
∞
Model 14 mm
2
10
4
10
5
10
6
Note : The TMOV and
i
TMOV varistors are intended, in conjunction with
appropriate enclosure design, to help facilitate TVSS module compliance
to UL 1449, Section 37.4 (abnormal over-voltage limited current require-
ments). Under these extreme abnormal over-voltage 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.
Thermally Protected
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TMOV20R200E | 功能描述:壓敏電阻 200Vrms 1250pF 20mm Disc RoHS:否 制造商:EPCOS 產(chǎn)品:MLV 電壓額定值 DC:22 V 電壓額定值 AC:17 V 鉗位電壓:50 V 直徑: 峰值浪涌電流:30 A 浪涌能量額定值:75 mJ 電容:74.2 pF 工作溫度范圍:- 55 C to + 125 C 安裝:SMD/SMT 封裝:Reel |
| TMOV20R200M | 功能描述:壓敏電阻 200Vrms 1250pF 20mm Disc RoHS:否 制造商:EPCOS 產(chǎn)品:MLV 電壓額定值 DC:22 V 電壓額定值 AC:17 V 鉗位電壓:50 V 直徑: 峰值浪涌電流:30 A 浪涌能量額定值:75 mJ 電容:74.2 pF 工作溫度范圍:- 55 C to + 125 C 安裝:SMD/SMT 封裝:Reel |
| TMOV20R230E | 功能描述:壓敏電阻 230Vrms 1100pF 20mm Disc RoHS:否 制造商:EPCOS 產(chǎn)品:MLV 電壓額定值 DC:22 V 電壓額定值 AC:17 V 鉗位電壓:50 V 直徑: 峰值浪涌電流:30 A 浪涌能量額定值:75 mJ 電容:74.2 pF 工作溫度范圍:- 55 C to + 125 C 安裝:SMD/SMT 封裝:Reel |
| TMOV20R230EP | 制造商:Littelfuse 功能描述:Metal Oxide Varistor (MOV) |
| TMOV20R230M | 功能描述:壓敏電阻 230Vrms 1100pF 20mm Disc RoHS:否 制造商:EPCOS 產(chǎn)品:MLV 電壓額定值 DC:22 V 電壓額定值 AC:17 V 鉗位電壓:50 V 直徑: 峰值浪涌電流:30 A 浪涌能量額定值:75 mJ 電容:74.2 pF 工作溫度范圍:- 55 C to + 125 C 安裝:SMD/SMT 封裝:Reel |
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