388

Surface Mount Fuses

www .littelfuse .com

Subminiature Surface Mount & Dip Types

FLAT-PAK

9.45

(.372")

6.35

(.250")

4.19

(.165")

0.53

(.021")

10.16

(.400")

.135"

0.30 (.012")

6

o

202 FLAT- PAK

LF

F 2A

250 V

PAT 4563666

DIP Configuration

(Thru-Hole) Mounting

9.45

(.372")

6.35

(.250")

4.19

(.165")

202GFLAT- PAK

LF

F 2A

250 V

PAT 4563666

SMF Configuration

("Gull Wing" Surface Mount)

1.52

(.060")

0.08 (.003")

1.40 (.055")

15.24 (.600")

17.12 (.674)

4.06 (.160)

11.53 (.454)

2.79 (.110)

Recommended Pad Layout

Reference Dimensions:

100

10

1

0.01

0.001

1000

100

10

1

0.1

0.05

CURRENT IN AMPERES

.1

Average Time Current Curves

available. Both designs are available in either a gull-wing surface mount

package or a DIP configuration for through-hole mounting.

These fuse designs feature a 250 VAC rating in a low profile,

rectangular package.

ELECTRICAL CHARACTERISTICS:

% of Ampere

Opening

Rating

Time

100%

4 hours, Minimum

200%

1 second, Minimum

30 seconds, Maximum

Program of Underwriters Laboratories and Certified by CSA.

INTERRUPTING RATING:

50 amperes at 250 VAC.

ENVIRONMENTAL SPECIFICATION:

PHYSICAL SPECIFICATIONS:

Terminations: Tin/Lead Plated Copper

Soldering Parameters:

Wave Solder — 260°C, 3 seconds maximum.

Reflow Solder — 215°C, 30 seconds maximum.

PACKAGING SPECIFICATIONS:

SMF Fuses — 24mm Tape and Reel per EIA-RS481-2

(IEC 286, part 3); 500 per reel.

DIP Fuses — Antistatic magazine, 100 per magazine.

PATENTED

®

®

Nominal

Nominal

Catalog

Catalog

1

Ampere

Voltage

Resistance

Melting I

Number

Number

Rating

Rating

Cold Ohms

A

203.250

203.250G

1/4

250

1.36

0.0126

203.500

203.500G

1/2

250

0.433

0.112

203.750

203.750G

3/4

250

0.158

0.327

203 001

203 001G

1

250

0.0755

0.328

203 01.5

203 01.5G

250

0.0390

0.850

203 002

203 002G

2

250

0.0345

1.70

203 02.5

203 02.5G

250

0.0237

2.87

203 003

203 003G

3

250

0.0197

4.40

203 004

203 004G

4

250

0.0148

8.75

203 005

203 005G

5

250

0.0124

14.7

1

SMF fuse marking includes the letter “G” next to the series number indicating “Gull-Wing”.

ORDERING INFORMATION