02780.050H datasheet, PDF - EEWORLD Datasheet

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02780.050H: DescriptionElectric Fuse,; CategoryCircuit protection Circuit protection; File Size1MB，3 Pages; ManufacturerLittelfuse; Websitehttp://www.littelfuse.com

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02780.050H Overview

Electric Fuse,

02780.050H Parametric

Parameter Name	Attribute value
Maker	Littelfuse
Reach Compliance Code	unknow
Circuit protection type	ELECTRIC FUSE

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Axial Lead & Cartridge Fuses

MICRO™ > Very Fast-Acting Fuse > 272/273/274/278/279 Series

272/273/274/278/279 Series, MICRO

™

Very Fast-Acting Fuse

Description

QPL

Developed originally for the U.S. Space Program, MICRO™

fuse provides reliability in a compact design. The MICRO™

fuse is available in plug–in or radial lead styles and a

complete range of ampere ratings from 0.002A to 5A to

suit a wide variety of design needs.

Features

• Military grade available

• High breaking capacity

• Plug-in with short or long

leads option

• Clear cover option to view • Recognized to UL/CSA/

NMX 248-1 and UL/CSA/

fuse element status

NMX 248-14

• Available from very low

ampere of 0.002A to 5A

Agency Approvals

Agency

Agency File Number

E10480

29862

Ampere Range

0.002A - 5A

Applications

• Printed circuit boards

and similar equipment

• Electronic components

Electrical Characteristics

% of Ampere Rating

100%

200%

Ampere Rating

0.002 – 5

0.002 – 0.3

0.4 - 5

Opening Time

4 Hours,

Min.

5 Seconds,

Max.

2 Seconds,

Max.

QPL

-23419

Electrical Characteristics

Ampere

Rating

(A)

0.002

0.005

0.010

0.015

0.031

0.050

0.062

0.100

0.125

0.200

0.250

0.300

0.400

0.500

0.600

0.700

0.750

0.800

1.00

01.5

2.00

3.00

*4.00

*5.00

Amp Code

(for all above

series)

0.002

0.005

0.010

0.015

0.031

0.050

0.062

0.100

0.125

0.200

0.250

0.300

0.400

0.500

0.600

0.700

0.750

0.800

001.0

01.5

002.0

003.0

004.0

005.0

Max

Voltage

Rating (V)

125

Interrupting

Rating

Nominal Cold

Resistance

(Ohms)

2200

280

80.0

44.0

16.0

3.52

2.55

1.38

1.0

2.30

1.75

1.25

0.227

0.167

0.430

0.324

0.293

0.271

0.0880

0.0578

0.0425

0.0275

0.0202

0.0156

Agency Approvals

Nominal Melting

t (A

sec)

0.00000000845

0.0000000766

0.000000462

0.00000123

0.00000810

0.0000666

0.000115

0.000385

0.000691

0.00409

0.00640

0.00945

0.0251

0.0716

0.0411

0.0710

0.0563

0.113

0.0648

0.160

0.300

0.759

1.38

2.21

QPL

10,000A@125VAC/VDC

* The fuses of 4A and 5A for 272 and 278 Series are obsolete.

Specifications are is strongly recommended.

Specifications are subject to change without notice. Application testing subject to change without notice.

Revised: 11/14/19

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