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1812L_06 Datasheet, PDF (1/6 Pages) Littelfuse – POLYFUSE® Resettable PTCs Surface Mount
POLYFUSE® Resettable PTCs
Surface Mount
1812L Series
Agency Approvals
AGENCY AGENCY FILE NUMBER
E183209
R50082521
Description
The 1812L series device provides surface mount
overcurrent protection for applications where resettable
protection is desired.
Features
• RoHS compliant and
lead-free
• Fast response to fault
currents
• Compact design saves
board space
• Low resistance
• Low-profile
• Compatible with high
temperature solders
Applications
• Plug and play protection
for motherboards and
peripherals
• USB peripherals
• PCI cards
• Game console port
protection
Electrical Characteristics
Part Number
1812L010
1812L014
1812L020
1812L050-C
1812L075-C
1812L075/24
1812L075/33
1812L110-C
1812L110/16
1812L110/33
1812L125-C
1812L125/6
1812L150-C
1812L150/12
1812L150/24
1812L160-C
Marking
I hold
(A)
Maximum Time
I trip
(A)
V max
(Vdc)
I max
(A)
Pd
To Trip
max.
(W) Current Time
(A)
(Sec.)
LF010 0.10 0.30 30 100 0.8 0.50
1.50
LF014 0.14 0.34 60 10 0.8 1.50
0.15
LF020 0.20 0.40 30 100 0.8 8.00
0.02
LF050 0.50 1.00 15 100 0.8 8.00
0.15
LF075 0.75 1.50 13.2 100 0.8 8.00
0.20
LF075-24 0.75 1.50 24 100 0.8 8.00
0.20
LF075-33 0.75 1.50 33 20 0.8 8.00
0.20
LF110 1.10 2.20 6 100 0.8 8.00
0.30
LF110-16 1.10 1.95 16 100 0.8 8.00
0.50
LF110-33 1.10 1.95 33 20 0.8 8.00
0.50
LF125 1.25 2.50 15 100 0.8 8.00
0.40
LF125-6 1.25 2.50 6 100 0.8 8.00
0.40
LF150 1.50 3.00 8 100 0.8 8.00
0.30
LF150-12 1.50 3.00 12 100 0.8 8.00
0.50
LF150-24 1.50 3.00 24 20 0.8 8.00
1.50
LF160 1.60 2.80 8 100 0.8 8.00
1.00
Resistance
R min
(Ω)
1.600
1.500
0.800
0.150
0.100
0.110
0.110
0.040
0.060
0.060
0.050
0.050
0.040
0.040
0.040
0.030
R typ
(Ω)
7.000
4.000
2.900
0.600
0.260
0.200
0.260
0.120
0.120
0.120
0.160
0.090
0.070
0.070
0.070
0.066
R 1max
(Ω)
15.000
6.000
5.000
1.000
0.450
0.290
0.400
0.210
0.180
0.200
0.250
0.140
0.110
0.110
0.120
0.100
Agency
Approvals
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1812L Series
Specifications are subject to change without notice.

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