0263.250WRT2 Littelfuse Inc, 0263.250WRT2 Datasheet

0263.250WRT2

Manufacturer Part Number

0263.250WRT2

Description

FUSE .250A 250V FST PICO AXL T/R

Manufacturer

Littelfuse Inc

Series

PICO® II 263r

Datasheet

1.0263003.MXL.pdf (4 pages)

Specifications of 0263.250WRT2

Fuse Type

Fast Acting

Voltage - Rated

250VAC

Current

250mA

Package / Case

Axial

Size / Dimension

0.155" Dia x 0.280" L (3.94mm x 7.11mm)

Mounting Type

Through Hole

Operating Temperature

-55°C ~ 125°C

Dc Cold Resistance

0.715 Ohm

Melting I²t

0.0165

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

Color

Other names

263.250T2

Current page: 1 of 4
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Specifications are subject to change without notice.

Please refer to www.littelfuse.com/series/263.html for current information.

Agency Approvals

Electrical Characteristics

Ampere

Rating

Agency

0.062

0.250

0.375

0.500

0.750

0.125

2.00

2.50

3.00

3.50

4.00

5.00

1.00

1.50

(A)

Amp Code

263 Series,

JET 1896-31007-1001

.062

.250

.375

.500

.750

.125

002.

02.5

003.

03.5

004.

005.

001.

01.5

Agency File Number

LR 29862

E10480

Voltage

Rating

Max

250

(V)

PICO

Interrupting

50 amperes

at 125 VAC.

at 250 VAC

PSE: 100

amperes

Rating

PICO

Ampere Range

Axial Lead & Cartridge Fuses

II 250 Volt, Very Fast-Acting Fuse

125mA - 5A

62mA - 5A

1A - 5A

ll > Very Fast-Acting > 263 Series

Nominal Cold

Resistance

(Ohms)

0.0635

0.0444

0.0340

0.0224

0.0274

0.0193

0.0145

0.715

0.391

0.332

0.150

0.105

5.50

Revised: January 19, 2010

1.75

207

Nominal

0.000192

Description

Features

Applications

Electrical Characteristics

Melting

0.00251

t (A

0.0444

0.0165

0.0411

The PICO

axial leaded fuse that achieves a 250V rating in a small

package.

0.084

0.087

0.398

1.197

2.33

3.08

5.55

% of Ampere

0.74

1.77

sec)

5A)

Rating

200%

300%

100%

Voltage Drop

II 263 Series Fuse is a specially designed

0.1225

0.1065

0.1175

0.1125

0.302

0.235

0.195

0.176

0.165

0.148

0.137

0.128

Nom

(mV)

0.74

0.3

Opening Time

Agency Approvals

temperature range

de-rating

machines

Min.

Max.

263 Series

Related parts for 0263.250WRT2

0263.250WRT2 Summary of contents

Page 1

... Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/263.html for current information. Axial Lead & Cartridge Fuses PICO ll > Very Fast-Acting > 263 Series ® ® II 250 Volt, Very Fast-Acting Fuse Description The PICO ® ...

Page 2

... Introduction to Circuit Protection Introduction to Circuit Protection Axial Lead & Cartridge Fuses PICO Temperature Rerating Curve Soldering Parameters Recommended Process Parameters: Wave Parameter Lead-Free Recommendation Preheat: ° 100 C ° 150 C Preheat Time: ° Solder Pot Temperature: 260 Solder Dwell Time: Recommended Hand-Solder Parameters: Note: These devices are not recommended for IR or Convection Reflow process ...

Page 3

... Packaging Specification T1: 52.4mm (2.062”) Tape and Reel © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/263.html for current information. Axial Lead & Cartridge Fuses PICO ll > Very Fast-Acting > 263 Series ® Vibration Salt Spray Insulation Resistance ...

Page 4

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