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Revised: December 2, 2009

©2009 Littelfuse, Inc.

Surface Mount > 1812L Series

1812L Series

Specifications are subject to change without notice.

Please refer to www.littelfuse.com/series/1812L.html for current information.

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

0.77

0.68

0.59

0.50

0.44

0.40

0.37

0.33

0.29

1812L050/30

0.77

0.68

0.59

0.50

0.44

0.40

0.37

0.33

0.29

1812L075

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

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

1812L110/24

1.55

1.40

1.25

1.10

0.93

0.83

0.73

0.63

0.50

1812L110/33

1.55

1.40

1.25

1.10

0.93

0.83

0.73

0.63

0.50

1812L125

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

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

2.20

2.06

1.91

1.60

1.36

1.17

1.09

0.85

0.72

1812L160/12

2.20

2.06

1.91

1.60

1.36

1.17

1.09

0.85

0.72

1812L200TH

2.60

2.44

2.22

2.00

1,78

1.67

1.50

1.45

1.29

1812L260TH

3.40

3.16

3.00

2.60

2.30

2.15

2.00

1.85

1.63

1812L260/12

3.40

3.16

3.00

2.60

2.30

2.15

2.00

1.85

1.63

1812L300

4.13

3.75

3.30

3.00

2.61

2.43

2.25

2.00

1.78

Temperature Rerating

Temperature Rerating Curve

-40

-30

-20

-10

0

10

20

30

40

5060

70

80 85

10%

30%

50%

70%

90%

110%

130%

150%

170%

Temperature (°C)

Environmental Specifications

Operating/Storage

Temperature

-40°C to +85°C

Maximum Device Surface

Temperature in Tripped State

125°C

Passive Aging

+85°C, 1000 hours

-/+5% typical resistance change

Humidity Aging

+85°C, 85% R.H.,1000 hours

-/+5% typical resistance change

Thermal Shock

MIL–STD–202, Method 107G

+85°C/-40°C 20 times

-30% typical resistance change

Solvent Resistance

MIL–STD–202, Method 215

No change

Vibration

MIL–STD–883C, Method

2007.1, Condition A

No change

Moisture Level Sesitivity

Level 1, J–STD–020C

Physical Specifications

Terminal Material

Solder-Plated Copper (Solder Material:

Matte Tin (Sn))

Lead Solderability

Meets EIA Specification RS186-9E, ANSI/

J-STD-002 Category 3.