Introduction to Circuit Protection

Introduction to Circuit Protection

Transientology

58

© 2009 Littelfuse, Inc.

Specifications are subject to change without notice.

Surface Mount Fuses

451/453 Series

Please refer to www.littelfuse.com/series/451.html

or /453.html for current information.

Electrical Specifications by Item

Ampere

Rating

(A)

Amp

Code

Max

Voltage

Rating

(V)

Interrupting

Rating

Nominal Cold

Resistance

(Ohms)

Nominal

Melting

Agency Approvals

PS

E

0.062

.062

125

50amperes@125VAC/VDC

300amperes@32VDC

PSE: 100 amperes

@100VAC

5.5000

0.00019

x

x

0.080

.080

125

4.0500

0.00033

x

x

0.100

.100

125

3.1000

0.00138

x

x

0.125

.125

125

1.7000

0.00286

x

x

0.160

.160

125

1.2157

0.0048

x

x

0.200

.200

125

0.8372

0.0089

x

x

0.250

.250

125

0.5765

0.0158

x

x

0.315

.315

125

0.3918

0.0311

x

x

0.375

.375

125

0.6100

0.0425

x

x

0.400

.400

125

0.5600

0.0484

x

x

0.500

.500

125

0.4200

0.0795

x

x

0.630

.630

125

0.3050

0.143

x

x

0.750

.750

125

0.2450

0.185

x

x

0.800

.800

125

0.2120

0.271

x

x

1.00

001.

125

0.1530

0.459

x

x

x

1.25

1.25

125

0.0780

0.664

x

x

x

1.50

01.5

125

0.0630

0.853

x

x

x

1.60

01.6

125

0.0580

1.060

x

x

x

2.00

002.

125

0.0367

0.530

x

x

x

2.50

02.5

125

0.0286

1.029

x

x

x

3.00

003.

125

0.0227

1.650

x

x

x

3.15

3.15

125

0.0215

1.920

x

x

x

3.50

03.5

125

0.0200

2.469

x

x

x

4.00

004.

125

0.0160

3.152

x

x

x

5.00

005.

125

0.0125

5.566

x

x

x

6.30

06.3

125

0.0096

9.170

x

x

x

7.00

007.

125

0.0090

10.32

x

x

x

8.00

008.

125

0.0077

20.23

x

x

x

10.0

010.

125

35amperes@125VAC/

50amperes@125VDC

300amperes@32VDC

PSE: 100 amperes

@100VAC

0.0056

26.46

x

x

x

12.0

012.

65

50amperes@65VAC/VDC

300amperes@24VDC

0.0049

47.97

x

x

15.0

015.

65

0.0037

97.82

x

x

Notes:

- Resistance is measured at 10% of rated current, 25ºC