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Class cc kldr series fuses, Powr-gard, Fuse datasheet – Littelfuse KLDR Series User Manual

Page 3: Time current curves, 3 of 5, Products, Time current characteristic curves littelfuse, inc

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© 2013 Littelfuse POWR-GARD

®

Products

POWR-GARD

®

Fuse Datasheet

Rev: 070813

3 of 5

Temperature Derating Curve (Temperature of Air Immediately Surrounding Fuse)

-60°C

-40°C -20°C

0°C

20°C

40°C

60°C

80°C

100°C

120°C

140°C

-76°F

-40°F

-4°F

32°F

68°F

104°F

140°F

176°F

212°F

248°F

284°F

AMBIENT TEMPERATURE

60

40

20

0

PER

CENT

OF

UPR

ATIN

G

0

20

40

60

PER

CENT
OF DOW

NR
ATIN
G

Class CC KlDR seRies FUses

Time Current Curves

- DATA GENERATED IN EXCEL -

1000

900

800

700

600
500
400

300

200

100

90

80

70

60
50
40

30

20

10

9

8

7

6
5
4

3

2

1

0.9

0.8

0.7

0.6
0.5
0.4

0.3

0.2

0.1

0.09

0.08

0.07

0.06
0.05
0.04

0.03

0.02

0.01

1000

900

800

700

600
500
400

300

200

100

90

80

70

60
50
40

30

20

10

9

8

7

6
5
4

3

2

1

0.9

0.8

0.7

0.6
0.5
0.4

0.3

0.2

0.1

0.09

0.08

0.07

0.06
0.05
0.04

0.03

0.02

0.01

1000

900

800

700

600

500

400

300

200

100

90

80

70

60

50

40

30

20

10

9

8

7

6

5

4

3

2

1

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

1000

900

800

700

600

500

400

300

200

100

90

80

70

60

50

40

30

20

10

9

8

7

6

5

4

3

2

1 0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

CURRENT  IN  AMPERES  

TI

M

E  

IN

 SECO

N

DS

 

- 1/10A

- 1/8A

- 15/100A

- 3/16A

- 2/10A

- 1/4A

BASIS FOR DATA:

TEST VOLTAGE:

TIME CONSTANT/POWER FACTOR:

FUSE CATALOG NUMBER:

DRAWN BY:

DATE:

REVISION:

DRAWING NO.: SHEET

TIME  CURRENT  CHARACTERISTIC  CURVES  

LITTELFUSE,  INC.  

CHICAGO,  IL.  USA  

LLL
11/12/12
B

2 OF 11

FCC01-KLDRP

KLDRP 1/10A - 30A

- DATA GENERATED IN EXCEL -

1000

900

800

700

600
500
400

300

200

100

90

80

70

60
50
40

30

20

10

9

8

7

6
5
4

3

2

1

0.9

0.8

0.7

0.6
0.5
0.4

0.3

0.2

0.1

0.09

0.08

0.07

0.06
0.05
0.04

0.03

0.02

0.01

1000

900

800

700

600
500
400

300

200

100

90

80

70

60
50
40

30

20

10

9

8

7

6
5
4

3

2

1

0.9

0.8

0.7

0.6
0.5
0.4

0.3

0.2

0.1

0.09

0.08

0.07

0.06
0.05
0.04

0.03

0.02

0.01

1000

900

800

700

600

500

400

300

200

100

90

80

70

60

50

40

30

20

10

9

8

7

6

5

4

3

2

1

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

1000

900

800

700

600

500

400

300

200

100

90

80

70

60

50

40

30

20

10

9

8

7

6

5

4

3

2

1 0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

CURRENT  IN  AMPERES  

TI

M

E  

IN

 SECO

N

DS

 

- 3/10A

- 4/10A

- 1/2A

- 6/10A

- 3/4A

- 8/10A

BASIS FOR DATA:

TEST VOLTAGE:

TIME CONSTANT/POWER FACTOR:

FUSE CATALOG NUMBER:

DRAWN BY:

DATE:

REVISION:

DRAWING NO.: SHEET

TIME  CURRENT  CHARACTERISTIC  CURVES  

LITTELFUSE,  INC.  

CHICAGO,  IL.  USA  

LLL
11/12/12
B

3 OF 11

FCC01-KLDRP

KLDRP 1/10A - 30A