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參數(shù)資料
| 型號： | TMOV20R250E |
| 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)： | 1/9頁 |
| 文件大小： | 835K |
| 代理商： | TMOV20R250E |
Varistor Products
24
www.littelfuse.com
Thermally Protected
TMOV
and
i
TMOV
Varistor Series
The Littelfuse TMOV and
i
TMOV thermally protected varistors represent a
new development in integrated circuit protection (patent pending). Both
versions are comprised 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 over-voltage, limited current,
conditions outlined in UL1449.
The
i
TMOV 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
i
TMOV 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
i
TMOV varistors are wave solderable,
thus simplifying end product assembly by reducing the expense and
rework associated with hand soldering operations.
The TMOV and
i
TMOV varistors are both recognized surge suppression
components to UL 1449. The TMOV and
i
TMOV 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
i
TMOV 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
Three-lead version available for indication purposes.
AGENCY APPROVALS:
CSA recognized.
20mm Devices
-Recognized under the components program of Underwriters
Laboratories UL1449 and UL1414.Includes selected tests from UL1020,
regarding thermal cutoffs for devices with voltage ratings up to 420VAC.
14mm Devices-
Devices are approved as an MOV to UL1449 and UL1414.
Approval to selected UL1020 requirements pending. Devices (14mm and
20mm) with ratings greater than 420VAC are not affected by these abnormal
voltage conditions.
Accelerated Aging Testing-
14 and 20mm devices
comply with Acclerated Aging Test requirements per.ANSI/IEEE C62.11 and
may be used in secondary surge arrestors without repeating this test.
Documented in UL file E75961.
AGENCY FILE NUMBERS:
ULE56529 (UL1414)
ULE75961 (UL1449)
CSA LR91788
Applications
TVSS Products
AC Panel Protection Modules
AC Line Power Supplies
Surge Protected Strip Connectors
AC Power Meters
Relocatable AC Power Taps
GFCI (Ground Fault Current Interupter)
UPS (Uninterruptable Power Supply)
White Goods
Plug-in TVSS
Inverters
AC/DC Power Supplies
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| TMOV20R275E | Varistor Products - Thermally Protected |
| TMOV20R275M | Varistor Products - Thermally Protected |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TMOV20R250EP | 功能描述:壓敏電阻 250VAC 170J 650V-CLAMP100A-PK 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 |
| TMOV20R250M | 功能描述:壓敏電阻 250Vrms 1000pF 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 |
| TMOV20R275E | 功能描述:壓敏電阻 275Vrms 900pF 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 |
| TMOV20R275EL2T7 | 功能描述:壓敏電阻 THERMALLY PROTECTED VARISTOR 20MM 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 |
| TMOV20R275EP | 功能描述:壓敏電阻 275VAC 190J 710V-CLAMP100A-PK 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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