TMOV14R275M Littelfuse Inc, TMOV14R275M Datasheet

TMOV14R275M

Manufacturer Part Number

TMOV14R275M

Description

VARISTOR THERMAL 275V 6KA 14MM

Manufacturer

Littelfuse Inc

Series

iTMOV®r

Datasheets

1.TMOV14R115E.pdf (8 pages)

2.TMOV14R275M.pdf (9 pages)

Specifications of TMOV14R275M

Varistor Voltage

473V

Current-surge

4.5kA

Number Of Circuits

Maximum Ac Volts

275VAC

Energy

110J

Package / Case

Disc 14mm 3-Lead

Technology

Metal Oxide

Capacitance Value

450pF

Clamping Current

50A

Clamping Voltage

710V

Lead Style

Radial

Ac Voltage Rating (max)

275VAC

Operating Temp Range

-55C to 85C

Mounting

Through Hole

Surge Current (max)

6000A

Product Depth (mm)

9.5mm

Product Height (mm)

22mm

Product Diameter (mm)

17mm

Product

MOV

Voltage Rating Dc

473 V

Voltage Rating Ac

275 V

Peak Surge Current

6 KA

Capacitance

450 pF

Operating Temperature Range

- 55 C to + 85 C

Dimensions

14 mm Dia.

Termination Style

Radial

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

Maximum Dc Volts

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

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Varistor Products

Thermally Protected

TMOV

The Littelfuse TMOV and iTMOV 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 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

AGENCY APPROVALS:

Documented in UL file E75961. CSA recognized. Qualitfied to IEC-CECC for

ratings from 115 - 625VAC

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 second-

ary surge arrestors without repeating this test.

AGENCY FILE NUMBERS:

• 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.

and i TMOV

ULE56529 (UL1414)

ULE75961 (UL1449)

CSA LR91788

QC 42201-x001 Cert E1274/F (IEC-CECC)

Varistor Series

w w w . l i t t e l f u s e . c o m

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

Related parts for TMOV14R275M

TMOV14R275M Summary of contents

Page 1

... TMOV ® The Littelfuse TMOV and iTMOV 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 ...

Page 2

Varistor Products Varistor Products Thermally Protected TMOV ® and iTMOV ® TMOV and iTMOV Varistor Series - Absolute Maximum Ratings For ratings of individual members of a series, see Device Ratings and Specifications chart Continuous: Steady State Applied Voltage: AC ...

Page 3

... TMOV20R200M 20T200M 20 TMOV14R230M 4T230M 14 TMOV20R230M 20T230M 20 TMOV14R250M 4T250M 14 TMOV20R250M 20T250M 20 TMOV14R275M 4T275M 14 TMOV20R275M 20T275M 20 TMOV14R300M 4T300M 14 TMOV20R300M 20T300M 20 NOTE: For 14mm devices with a voltage rating greater than 420V, please contact factory regarding availability. Varistor Series MAXIMUM RATING (85°C) TRANSIENT PEAK SURGE ...

Page 4

Varistor Products Thermally Protected TMOV ® and iTMOV ® Device Ratings and Specifications - iTMOV Varistor Series continued... CONTINUOUS DEVICE DISC MODEL DIA- NUMBER METER PART BRAND- NUMBER ING (mm) 4T320M TMOV14R320M 14 20 TMOV20R320M 20T320M TMOV14R385M 4T385M 14 20T385M ...

Page 5

Varistor Products Thermally Protected TMOV and iTMOV ® ® Lead Configurations TMOV Varistor Note: MOVs are non-polarized passive elements i TMOV Varistor Application Examples The application examples below show how the indicator lead on the iTMOV can be used to ...

Page 6

Varistor Products Thermally Protected TMOV ® and iTMOV ® Thermal Characteristics 10 1 0.1 10 100 1000 Time s * Figure 4: Typical time to open circuit under UL1449 Abnormal Overvoltage Limited Current Test Note : The TMOV and iTMOV ...

Page 7

Varistor Products Thermally Protected TMOV ® and iTMOV ® Soldering Recommendations Because the TMOV TM and i TMOV varistors contain a thermal protection device, care must be taken when soldering the devices into place. Two soldering methods are possible. Firstly, ...

Page 8

Varistor Products Thermally Protected TMOV ® and i TMOV ® General Dimensions, Bulk Pack Non-Crimped Devices TMOV Varistor Vrms 14mm SYMBOL Model MIN MAX Voltage mm mm (in) (in) 17.0 22.0 A ALL (0.669) (0.866) 13.5 17.0 ALL Dia D ...

Page 9

Varistor Products Thermally Protected TMOV ® and iTMOV ® Tape and Reel Specifications - Additional Option L2T7 • Reel capacity varies with voltage. • Leads are crimped and in-line. This excludes the varistor lead on i TMOV devices which are ...

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