278001 [LITTELFUSE]

Electric Fuse, Very Fast Blow, 1A, 125VAC, 125VDC, 10000A (IR), Through Hole,;


型号：	278001
厂家：	LITTELFUSE
描述：	Electric Fuse, Very Fast Blow, 1A, 125VAC, 125VDC, 10000A (IR), Through Hole, 电路保护
文件：	总1页 (文件大小：118K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

Axial Lead and Cartridge Fuses

Subminiature

MICRO^™FUSE Very Fast-Acting Type 272/273/274/278/279 Series

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 1/500 to

5 amperes to suit a wide variety of design needs.

ELECTRICAL CHARACTERISTICS:

% of Ampere

Rating

Ampere

Rating

Opening

Time

100%

1/500–5

1/500–3/10

4/10–5

4 hours, Minimum

5 seconds, Maximum

2 seconds, Maximum

200%

AGENCY APPROVALS: Recognized under the Components Program

of Underwriters Laboratories and Certified by CSA.

272 000 Series

273 000 Series

AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.

INTERRUPTING RATING: 10,000 amperes at 125 VAC/VDC.

5.97

(.235")

7.30

6.35

8.89

(.35")

4.32

(.17")

4.32

(.17")

(.29")

(.25")

FUSES TO MIL SPEC: 273 Series is available in Military QPL type

(FM02). To order, change 273 to 274.

2.54 (.10")

278 000 Series

Operating Temperature:

273 and 279: –55°C to 85°C.

272 and 278: –55°C to 125°C

5.97

(.235")

7.30

(.29")

25.4 (1.0")

2.54 (.10")

PATENTED

279 000 Series

ORDERING INFORMATION:

6.35

(.25")

8.89

25.4 (1.0")

(.35")

Plug-In

Radial Lead

Nominal

Resistance

Cold Ohms

Nominal

Melting I²t

A²Sec.

Catalog Catalog Catalog Catalog Ampere Voltage

Number Number Number Number

2.54 (.10")

Rating

272.002 273.002 278.002 279.002

272.005 273.005 278.005 279.005

272.010 273.010 278.010 279.010

272.015 273.015 278.015 279.015

272.031 273.031 278.031 279.031

1/500

1/200

1/100

1/64

125

2200

2800.

80.0

44.0

16.0

0.00000000845

0.0000000810

0.000000462

0.00000123

NOTE: Amperage and voltage rating stamped on cap. Leads are solder-coated

copper; .025" diameter.

1/32

0.00000810

Average Time Current Curves

272.050 273.050 278.050 279.050

272.062 273.062 278.062 279.062

272.100 273.100 278.100 279.100

272.125 273.125 278.125 279.125

272.200 273.200 278.200 279.200

1/20

1/16

1/10

1/8

125

3.20

2.32

1.25

1.0

0.0000666

0.000115

0.000385

0.000691

0.00409

100

2/10

2.30

272.250 273.250 278.250 279.250

272.300 273.300 278.300 279.300

272.400 273.400 278.400 279.400

272.500 273.500 278.500 279.500

272.600 273.600 278.600 279.600

1/4

3/10

4/10

1/2

125

1.75

1.25

0.227

0.167

0.430

0.00640

0.00945

0.0251

0.0716

0.0411

6/10

272.700 273.700 278.700 279.700

272.750 273.750 278.750 279.750

272.800 273.800 278.800 279.800

272 001 273 001 278 001 279 001

272 01.5 273 01.5 278 01.5 279 01.5

7/10

3/4

8/10

125

0.324

0.293

0.271

0.0880

0.0578

0.0710

0.0900

0.113

0.0648

0.160

1 /

272 002 273 002 278 002 279 002

272 003 273 003 278 003 279 003

272 004 273 004 278 004 279 004

272 005 273 005 278 005 279 005

125

0.0425

0.0275

0.0202

0.0156

0.300

0.759

1.38

2.21

0.1

0.01

0.001

0.005 0.01

100

0.1

CURRENT IN AMPERES

392

www. littelfuse. com

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