Introduction to Circuit Protection

Introduction to Circuit Protection

Transientology

308

© 2009 Littelfuse, Inc.

Specifications are subject to change without notice.

Axial Lead & Cartridge Fuses

239 Series

5×20 mm > Time Lag > 239 Series

Please refer to www.littelfuse.com/series/239.html for current information.

Amp Code

Amp Rating

(A)

Voltage

Rating

(V)

Interrupting

Rating

Nominal Cold

Resistance

(Ohms)

Nominal

Melting

Agency Approvals

PS

E

.080

0.08

250

35A @ 250 VAC

28.1750

0.02500

.100

0.1

250

17.3425

0.05500

.125

0.125

250

11.6000

0.08500

.150

0.15

250

8.1000

0.13000

.200

0.2

250

35A @ 250 VAC

10000A @ 125 VAC

3.8725

0.16500

.250

0.25

250

3.0700

0.34000

.300

0.3

250

2.3000

0.61500

.400

0.4

250

1.4750

1.49000

.500

0.5

250

0.9090

1.98500

.600

0.6

250

0.6990

2.41500

.700

0.7

250

0.5375

4.12000

.750

0.75

250

0.4710

5.42500

.800

0.8

250

0.4155

7.56500

001.

1

250

0.2965

11.29500

1.25

1.25

250

10000A @ 125 VAC

100A @ 250 VAC

0.1980

19.52500

01.6

1.6

250

0.1205

30.43000

002.

2

250

0.0943

50.58500

02.5

2.5

250

0.0583

79.70500

003.

3

250

0.04877

129.51000

3.15

3.15

250

0.0414

128.05000

03.2

3.2

250

0.0385

128.05000

03.5

3.5

250

0.0370

128.05000

004.

4

125

10000A @ 125 VAC

0.0312

270.703

005.

5

125

0.0199

302.836

007.

7

125

0.0114

305.758

Electrical Characteristic Specification by Item