312.300 datasheet, PDF - EEWORLD Datasheet

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312.300: DescriptionFAST BLOW ELECTRIC FUSE, 0.031A, 250VAC, 250VDC, 35A (IR), INLINE/HOLDER; CategoryCircuit protection Circuit protection; File Size71KB，1 Pages; ManufacturerLittelfuse; Websitehttp://www.littelfuse.com

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312.300 Overview

FAST BLOW ELECTRIC FUSE, 0.031A, 250VAC, 250VDC, 35A (IR), INLINE/HOLDER

312.300 Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	Littelfuse
Reach Compliance Code	unknown
ECCN code	EAR99
Fusing characteristics	FAST
body height	31.75 mm
Body length or diameter	6.35 mm
Circuit protection type	ELECTRIC FUSE
Fuse type	Supplemental
Fuse size	3AG
JESD-609 code	e0
Joule integral nominal
Installation features	INLINE/HOLDER
physical size	6.35mm x 31.75mm
Pre-discharge rating	0.0689 A2/s
Rated breaking capacity	35 A
Rated current	0.3 A
Rated voltage	250 V
Rated voltage (AC)	250 V
Rated voltage (DC)	250 V
Guideline	CSA; UL
surface mount	NO
Terminal surface	Tin/Lead (Sn/Pb)
Terminal shape	END CAP
Disconnect time or delay	14400 s
Base Number Matches	1

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Axial Lead and Cartridge Fuses

Glass Body

3AG

Fast-Acting Type 312/318 Series

A standard for cost-effective reliability and performance in circuit protec-

tion, the 3AG fuse satisfies a broad range of application requirements.

QPL

ELECTRICAL CHARACTERISTICS:

% of Ampere

Rating

110%

135%

200%

Ampere

Rating

1/32–35

1/32–10

12–30

Opening

Time

4 hours,

Minimum

1 hour,

Maximum

5 sec.,

Maximum

10 sec.,

Maximum

20 sec.,

Maximum

AGENCY APPROVALS:

Listed by Underwriters Laboratories and

Certified by CSA through 30 amperes.

1/100–10 amperes listed to UL 248-14 (UL 198-G)

12–30 amperes listed to UL 275.

AGENCY FILE NUMBERS:

UL E10480, CSA LR 29862.

FUSES TO MIL SPEC:

See F02A cartridge type in Military Section.

312

000

Series

6.985 (.275")

6.35

(.25")

31.75

(1.25")

318

000

Series

0.813

(.032")

INTERUPTING RATING:

10,000A @ 125VAC

35A @ 250VAC

38.1

(1.50") TYP.

Axial Lead Material: Solder coated copper.

32.385

(1.275")

ORDERING INFORMATION:

Cartridge

Catalog

Number

312.031

312.062

312.100

312.125

312.150

312.175

312.187

312.200

312.250

312.300

312.375

312.500

312.600

312.750

312

001

312

1.25

312

01.5

312

01.6

312

1.75

312

01.8

312

002

312

2.25

312

02.5

312

003

312

004

312

005

312

006

312

007

312

008

312

010

312

012

312

015

312

020

312

025

312

030

312

035

290

Axial Lead

Catalog

Number

318.031

318.062

318.100

318.125

318.150

318.175

318.187

318.200

318.250

318.300

318.375

318.500

318.600

318.750

318

001

318

1.25

318

01.5

318

01.6

318

1.75

318

01.8

318

002

318

2.25

318

02.5

318

003

318

004

318

005

318

006

318

007

318

008

318

010

—

Ampere

Rating

1/32

1/16

1/10

1/8

15/100

.175

3/16

2/10

1/4

3/10

3/8

1/2

6/10

3/4

Voltage

Rating

250

Nominal

Resistance

Cold Ohms

23.3

24.5

11.2

7.10

5.10

3.85

3.40

3.00

2.00

1.40

0.820

0.495

0.360

0.243

0.189

0.138

0.103

0.0930

0.0850

0.0820

0.0700

0.0590

0.0510

0.0424

0.0291

0.0223

0.0177

0.0145

0.0121

0.00925

0.0071

0.0052

0.0034

0.0024

0.0019

0.0013

Nominal

Melting I

Sec.

0.0000300

0.000249

0.00102

0.00289

0.00550

0.00960

0.0128

0.0165

0.0355

0.0689

0.185

0.483

0.880

1.84

0.760

1.45

2.35

2.80

3.60

3.85

5.20

7.20

9.54

14.0

28.5

50.0

81.1

118.0

166.0

298.0

—

Average Time Current Curves

.031 A

.062 A

.125 A

1000

100

TIME IN SECONDS

0.1

0.01

0.005 0.01

.250 A

.375 A

.500 A

.750 A

1.5 A

2.5 A

10 A

0.1

CURRENT IN AMPERES

100

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

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