V661DA40 Littelfuse Inc, V661DA40 Datasheet

V661DA40

Manufacturer Part Number

V661DA40

Description

VARISTOR INDUST 660V 900J DA

Manufacturer

Littelfuse Inc

Series

DA/DBr

Datasheets

1.V421DA40.pdf (4 pages)

2.V271DB40.pdf (4 pages)

Specifications of V661DA40

Package / Case

Chassis Mount

Number Of Circuits

Energy

900J

Current-surge

40kA

Maximum Ac Volts

660VAC

Maximum Dc Volts

850VDC

Varistor Voltage

1050V (1.05kV)

Suppressor Type

Varistor

Peak Surge Current @ 8/20Âµs

40000A

Clamping Voltage Vc Max

1720V

Voltage Rating Vdc

850V

Voltage Rating Vac

660V

Operating Temperature Range

-55Â°C To +85Â°C

Voltage Rating Dc

850 V

Voltage Rating Ac

660 V

Clamping Voltage

1.72 KV

Peak Surge Current

40 KA

Capacitance

2000 pF

Mounting

SMD/SMT

Dimensions

40 mm Dia.

Termination Style

Screw

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

Lead Free Status / RoHS Status

Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

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Varistor Products

DA/DB Varistor Series

High Energy Industrial

The DA and DB Series transient surge suppressors are heavy-duty

industrial metal-oxide varistors designed to provide surge protection for

motor controls and power supplies used in oil-drilling, mining, and trans-

portation equipment.

These UL-recognized varistors have identical ratings and specifications

but differ in case construction to provide flexibility in equipment designs.

DA series devices feature rigid terminals to insure secure wire contacts.

Both the DA and DB series feature improved creep and strike distance

capability to minimize breakdown along the package surface design that

provides complete electrical isolation of the disc subassembly.

See DA/DB Series Device Ratings and Specifications table for part

number and brand information.

Features

AGENCY APPROVALS:

Underwriters Laboratories.

AGENCY FILE NUMBERS:

• High Energy Absorption Capability

• Wide Operating Voltage Range

• Screw Terminals (DA Series),

• Case Design Provides Complete Electrical Isolation of

• 40mm Diameter Disc

• No Derating Up to 85

W TM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Up To 1050J

V M(AC)RMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130V to 750V

Quick Connect Push-On Connectors (DB Series)

Disc Subassembly

C Ambient

Recognized under the components program of

UL E75961.

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

DB SERIES

DA SERIES

Related parts for V661DA40

V661DA40 Summary of contents

Page 1

Varistor Products High Energy Industrial DA/DB Varistor Series The DA and DB Series transient surge suppressors are heavy-duty industrial metal-oxide varistors designed to provide surge protection for motor controls and power supplies used in oil-drilling, mining, and trans- portation equipment. ...

Page 2

... V421DB40 420 V481DA40 V481DB40 480 V511DA40 V511DB40 510 V571DA40 V571DB40 575 V661DA40 V661DB40 660 V751DA40 V751DB40 750 NOTE: Average power dissipation of transients not to exceed 2.0W. 1: Peak current applies to applications rated up to 115V 2: Peak current applies to applications rated up to 132V o MAXIMUM RATINGS (85 ...

Page 3

Varistor Products High Energy Industrial DA/DB Varistor Series Power Dissipation Ratings Should transients occur in rapid succession, the average power dissipa- tion required is simply the energy (watt- seconds) per pulse times the number of pulses per second. The power ...

Page 4

Varistor Products High Energy Industrial DA/DB Varistor Series Pulse Rating Curves 50,000 1 DISC SIZE 40mm 2 V131DA40 - V751DA40 20,000 10 V131DB40 - V751DB40 10,000 5,000 2,000 3 10 1,000 500 ...

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