0449005.MR Littelfuse Inc, 0449005.MR Datasheet

0449005.MR

Manufacturer Part Number

0449005.MR

Description

FUSE 125V TIME-LAG 5A SMD

Manufacturer

Littelfuse Inc

Series

NANO²® 449r

Datasheet

1.044902.5MR.pdf (4 pages)

Specifications of 0449005.MR

Fuse Type

Slow Blow, Time Lag

Voltage - Rated

125VAC

Current

Dc Cold Resistance

0.017 Ohm

Melting I²t

59.59

Package / Case

Non-Standard SMD

Size / Dimension

0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)

Mounting Type

Holder/Surface Mount

Operating Temperature

-55°C ~ 125°C

Current Rating

5 Amps

Voltage Rating

125 Volts

Fuse Size / Group

Nano

Termination Style

SMD/SMT

Body Material

Ceramic

Product

Surface Mount Fuse

Interrupt Rating

50 Amps

Color

Dimensions

6.1 mm L x 2.69 mm W

Mounting Style

SMD/SMT

Operating Temperature Range

- 55 C to + 125 C

Resistance

0.0171 Ohms

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Color

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

Other names

449005.MR

Current page: 1 of 4
Download datasheet (166Kb)

Specifications are subject to change without notice.

Please refer to www.littelfuse.com/series/449.html for current information.

Notes: - l

Agency Approvals

Electrical Characteristics for Series

Electrical Specifications by Item

AGENCY

Ampere

% of Ampere

Rating

0.375

0.500

0.750

2.00

2.50

3.00

3.50

4.00

5.00

1.00

1.50

(A)

t calculated at 8ms. Resistance is measured at 10% of rated current, 25ºC

Rating

100%

200%

300%

800%

AGENCY FILE NUMBER

449 Series Fuse

Amp Code

0.375

0.500

0.750

002.

02.5

003.

03.5

004.

005.

001.

01.5

NBK030205

E10480

0.02 sec., Min.; 0.1 sec., Max.

1 sec., Min.; 60 sec., Max.

0.2 sec., Min.; 3 sec., Max

Voltage

Rating

4 hours, Minimum

Max

125

(V)

Opening Time

AMPERE RANGE

50 amperes @125 VAC/

375mA - 5A

Surface Mount Fuses

NANO

PSE: 100 amperes

1A - 5A

Interrupting

@100 VAC

Rating

VDC

2®

Revised: December 17, 2010

> Slo-Blo

Nominal Cold

Resistance

Description

The lead free NANO

Halogen Free and 100% lead-free. This product is fully

compatible with lead-free solder alloys and higher

temperature profiles associated with lead-free assembly.

The Slo-Blo

characteristics over the NANO

time delay feature of this fuse design helps solve the

problem of nuisance “opening” by accommodating inrush

currents that normally cause a fast-acting fuse to open.

Features

Applications

Secondary protection for space constrained applications:

(Ohms)

0.7633

0.4080

0.2516

0.0261

1.5130

0.1186

0.0708

0.0400

0.0352

0.0227

0.0171

> 449 Series

Free

ratings available

design has enhanced inrush withstand

Nominal

Melting

t (A

0.088

0.258

0.847

19.55

32.70

40.80

59.59

13.18

4.70

6.76

1.76

sec)

Slo-Blo

fuse is RoHS compliant,

Fast-Acting Fuse. The unique

temperature range

de-rating

equipment

protection

Agency Approvals

449 Series

Related parts for 0449005.MR

0449005.MR Summary of contents

Page 1

... Notes calculated at 8ms. Resistance is measured at 10% of rated current, 25ºC © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/449.html for current information. Surface Mount Fuses NANO 2® > Slo-Blo ® > 449 Series Description The lead free NANO Halogen Free and 100% lead-free ...

Page 2

... L Peak Temperature ( Time within 5°C of actual peak Temperature ( Ramp-down Rate Time 25°C to peak Temperature ( not exceed Wave Soldering Parameters 449 Series Surface Mount Fuses Transientology 2® ® NANO > Slo-Blo > 449 Series Average Time Current Curves 1000 100 10 1 0.1 0. – Free assembly ...

Page 3

... Recommended pad layout Packaging Packaging Option Packaging Specification 12mm Tape and Reel © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/449.html for current information. Surface Mount Fuses NANO 2® > Slo-Blo ® > 449 Series Thermal Shock Mechanical Shock ...

Page 4

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