273.002 datasheet, PDF - EEWORLD Datasheet

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273.002: DescriptionVERY FAST BLOW ELECTRIC FUSE, 0.002A, 125VAC, 125VDC, 10000A (IR), INLINE/HOLDER; CategoryCircuit protection Circuit protection; File Size69KB，1 Pages; ManufacturerLittelfuse; Websitehttp://www.littelfuse.com

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273.002 Overview

VERY FAST BLOW ELECTRIC FUSE, 0.002A, 125VAC, 125VDC, 10000A (IR), INLINE/HOLDER

273.002 Parametric

Parameter Name	Attribute value
Reach Compliance Code	unknow
ECCN code	EAR99
Other features	RATED BREAKING CAPACITY AT 125 VDC: 10000 A
Fusing characteristics	VERY FAST
body height	8.89 mm
Body length or diameter	6.35 mm
Circuit protection type	ELECTRIC FUSE
JESD-609 code	e0
Joule integral nominal
Installation features	INLINE/HOLDER
Maximum operating temperature	85 °C
Minimum operating temperature	-55 °C
physical size	6.35mm x 8.89mm
Rated breaking capacity	10000 A
Rated current	0.002 A
Rated voltage (AC)	125 V
Rated voltage (DC)	125 V
Guideline	CSA; UL
surface mount	NO
Terminal surface	TIN LEAD
Terminal shape	TAB/BLADE
Base Number Matches	1

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Axial Lead and Cartridge Fuses

Subminiature

MICRO

™

FUSE

Very Fast-Acting Type 272/273/274/278/279 Series

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.

QPL

ELECTRICAL CHARACTERISTICS:

% of Ampere

Rating

100%

200%

Ampere

Rating

1/500 –5

1/500 –3/10

4/10 –5

Opening

Time

4 hours,

Minimum

5 seconds,

Maximum

2 seconds,

Maximum

AGENCY APPROVALS:

Recognized under the Components Program

of Underwriters Laboratories and Certified by CSA.

AGENCY FILE NUMBERS:

UL E10480, CSA LR 29862.

INTERRUPTING RATING:

10,000 amperes at 125 VAC/VDC.

FUSES TO MIL SPEC:

273 Series is available in Military QPL type

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

272

000

Series

5.97

(.235")

7.30

(.29")

4.32

(.17")

273

000

Series

6.35

(.25")

8.89

(.35")

(.17")

4.32

2.54 (.10")

Operating Temperature:

273 and 279: –55°C to 85°C.

272 and 278: –55°C to 125°C

278

000

Series

5.97

(.235")

7.30

(.29")

25.4 (1.0")

2.54 (.10")

PATENTED

ORDERING INFORMATION:

Plug-In

Catalog

Number

272.002

272.005

272.010

272.015

272.031

272.050

272.062

272.100

272.125

272.200

272.250

272.300

272.400

272.500

272.600

272.700

272.750

272.800

272

001

272

01.5

272

002

272

003

272

004

272

005

Catalog

Number

273.002

273.005

273.010

273.015

273.031

273.050

273.062

273.100

273.125

273.200

273.250

273.300

273.400

273.500

273.600

273.700

273.750

273.800

273

001

273

01.5

273

002

273

003

273

004

273

005

Radial Lead

Catalog

Number

278.002

278.005

278.010

278.015

278.031

278.050

278.062

278.100

278.125

278.200

278.250

278.300

278.400

278.500

278.600

278.700

278.750

278.800

278

001

278

01.5

278

002

278

003

278

004

278

005

Catalog Ampere

Number Rating

279.002

1/500

279.005

1/200

279.010

1/100

279.015

1/64

279.031

1/32

279.050

1/20

279.062

1/16

279.100

1/10

279.125

1/8

279.200

2/10

279.250

1/4

279.300

3/10

279.400

4/10

279.500

1/2

279.600

6/10

279.700

7/10

279.750

3/4

279.800

8/10

279

001

279

01.5

279

002

279

003

279

004

279

005

Voltage

Rating

125

Nominal

Resistance

Cold Ohms

2200

280 0.

80.0

44.0

16.0

3.20

2.32

1.25

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

Nominal

Melting I

Sec.

0.00000000845

0.0000000810

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

0.0900

0.113

0.0648

0.160

0.300

0.759

1.38

2.21

6.35

(.25")

279

000

Series

8.89

(.35")

25.4 (1.0")

2.54 (.10")

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

copper; .025" diameter.

Average Time Current Curves

1/200 A

1/100 A

1/64 A

1/2 A

3/4 A

1 1/2 A

1/32 A

1/16 A

1/8 A

1/4 A

100

TIME IN SECONDS

0.1

0.01

0.001

0.005

0.01

0.1

CURRENT IN AMPERES

100

286

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

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