www.littelfuse.com

©2006 Littelfuse

Surface Mount

1812L Series

Specifications are subject to change without notice.

2

Electronics Designers Guide

I

I

V

I

P

R

R

R

soldering of 260°C for 20 sec.

Caution: Operation beyond the specified rating may result in damage and possible arcing

and flame.

Electrical Characteristics (continued)

Part Number

Marking

I

hold

(A)

I

trip

(A)

V

max

(Vdc)

I

max

(A)

P

d

max.

(W)

Maximum Time

To Trip

Resistance

Agency

Approvals

Current

(A)

Time

(Sec.)

R

min

(

Ω)

R

typ

(

Ω)

R

1max

(

Ω)

1812L160/12

LF160-12

1.60

2.80

12

100

0.8

8.00

1.00

0.030

0.066

0.100

X

X

1812L200-C

LF200

2.00

3.50

8

100

0.8

8.00

2.00

0.020

0.040

0.060

X

X

1812L260-C

LF260

2.60

5.00

6

100

0.8

8.00

2.50

0.015

0.030

0.047

X

X

Ambient Operation Temperature

-40°C

-20°C

0°C

23°C

40°C

50°C

60°C

70°C

85°C

Part Number

Hold Current (A)

1812L010

0.16

0.14

0.12

0.10

0.08

0.07

0.06

0.05

0.03

1812L014

0.23

0.19

0.17

0.14

0.12

0.10

0.09

0.08

0.06

1812L020

0.29

0.26

0.23

0.20

0.17

0.15

0.14

0.12

0.10

1812L050-C

0.77

0.68

0.59

0.50

0.44

0.40

0.37

0.33

0.29

1812L075-C

1.15

1.01

0.88

0.75

0.65

0.60

0.55

0.49

0.43

1812L075/24

1.06

0.95

0.84

0.75

0.60

0.55

0.50

0.45

0.37

1812L075/33

1.10

1.00

0.88

0.75

0.66

0.60

0.56

0.47

0.36

1812L110-C

1.59

1.43

1.26

1.10

0.95

0.87

0.80

0.71

0.60

1812L110/16

1.58

1.43

1.27

1.10

0.95

0.85

0.77

0.71

0.58

1812L110/33

1.55

1.40

1.25

1.10

0.93

0.83

.073

.063

.050

1812L125-C

2.00

1.75

1.52

1.25

1.00

0.95

0.90

0.75

0.53

1812L125/6

2.00

1.75

1.52

1.25

1.00

0.95

0.90

0.75

0.53

1812L150-C

2.06

1.93

1.79

1.50

1.28

1.10

1.02

0.80

0.68

1812L150/12

2.04

1.88

1.68

1.50

1.25

1.10

1.00

0.80

0.60

1812L150/24

2.05

1.87

1.67

1.50

1.25

1.08

0.95

0.77

0.60

1812L160-C

2.20

2.06

1.91

1.60

1.36

1.17

1.09

0.85

0.72

1812L160/12

2.18

2.01

1.79

1.60

1.34

1.16

1.07

0.83

0.60

1812L200-C

3.08

2.71

2.35

2.00

1.80

1.60

1.50

1.07

0.80

1812L260-C

4.00

3.52

3.06

2.60

2.34

2.08

1.95

1.39

1.04

Temperature Rerating