Revised: October 7, 2009

©2009 Littelfuse, Inc.

Lo Rho Series

Specifications are subject to change without notice.

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

Surface Mount > Lo Rho Series

Temperature Rerating

Temperature Rerating Curve

-40

-30

-20

-10

0

10

20

30

40

50

60

70

80

10%

30%

50%

70%

90%

110%

130%

150%

170%

Temperature (°C)

Average Time Current Curves

The average time current curves and Temperature Rerating curve performance is affected

by a number or variables, and these curves provided as guidance only. Customer must

verify the performance in their application.

Ambient OperationTemperature

Part Number

Hold Current (A)

0805L110SLYR

1.93

1.65

1.38

1.10

0.83

0.55

0.41

0.21

1206L110SLYR

2.00

1.40

1.10

0.83

0.56

0.44

0.24

1206L150SLYR

2.32

1.95

1.50

1.15

0.64

0.36

1210L200SLYR

3.26

2.50

2.00

1.29

1.09

5.00

4.60

4.05

3.50

2.80

2.00

1.60

1.00

1812L190SLPR

3.00

2.58

2.22

1.90

1.49

1.14

0.93

0.61

0.010

0.100

1.000

10.000

1.0

10.0

100.0

LoRho Series

Current in Amperes

Environmental Specifications

Operating/Storage

Temperature

Maximum Device Surface

Temperature in Tripped State

Passive Aging

Humidity Aging

Thermal Shock

Solvent Resistance

No change

Vibration

Condition A

No change

Moisture Sensitivity Level

Physical Specifications

Terminal Material

Lead Solderability