Datasheet > 0278004.

0278004.

更新时间： 2025-07-23 14:56:59

品牌	Logo	应用领域
力特 - LITTELFUSE		/
页数	文件大小	规格书
3页	1164K
描述
功能与特色:

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数据手册

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0278004. 数据手册

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

QPL

Description

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

• Recognized to UL/CSA/

NMX 248-1 and UL/CSA/

NMX 248-14

• Clear cover option to view

fuse element status

• Available from very low

ampere of 0.002A to 5A

Applications

Agency Approvals

• Printed circuit boards

and similar equipment

• Electronic components

Agency

Agency File Number

Ampere Range

E10480

29862

0.002A - 5A

Electrical Characteristics

0.002A - 5A

% of Ampere Rating

Ampere Rating

0.002 – 5

OpeningTime

QPL-23419

QPL

100%

4 Hours, Min.

5 Seconds, Max.

2 Seconds, Max.

0.002 – 0.3

0.4 - 5

200%

Electrical Characteristics

Agency Approvals

Ampere

Rating

(A)

Amp Code

(for all above

series)

Max

Voltage

Rating (V)

Nominal Cold

Resistance

(Ohms)

Interrupting

Rating

Nominal Melting

I²t (A²sec)

QPL

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

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

125

2200

280

80.0

44.0

16.0

3.52

2.55

1.38

1.0

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

2.30

1.75

1.25

10,000A@125VAC/VDC

0.227

0.167

0.430

0.324

0.293

0.271

0.0880

0.0578

0.0425

0.0275

0.0202

0.0156

0.0716

0.0411

0.0710

0.0563

0.113

0.0648

0.160

0.300

01.5

2.00

3.00

*4.00

*5.00

002.0

003.0

004.0

005.0

0.759

1.38

2.21

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

Speciﬁcations are subject to change without notice.

Speciﬁcations are subject to change without notice. Application testing is strongly recommended.

Revised: 11/14/19

12 3

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与0278004.相关器件

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0278004.V	LITTELFUSE	获取价格	272/273/274/278/279 Series, MICROâ¢ Very Fas
0278005.	LITTELFUSE	获取价格	功能与特色:
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0278005.V	LITTELFUSE	获取价格	272/273/274/278/279 Series, MICROâ¢ Very Fas
027801.5	LITTELFUSE	获取价格	功能与特色:
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0279-0-15-01-47-01-10-0	MILL-MAX	获取价格	PIN RECEPTACLES for .025â - .037â diamete
0279-0-15-01-47-27-10-0	MILL-MAX	获取价格	PIN RECEPTACLES for .025â - .037â diamete

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