®
POLY-FUSE Resettable PTCs
Surface Mount > LoRhoTM Series
Electrical Characteristics
Maximum
P d
Agency
Approvals
Resistance
Time-To-Trip
I hold
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
Part Number
Marking
typ.
(W)
R min
R 1max
(Ω)
Current
(A)
Time
(Sec.)
(Ω)
0402L010SL
0402L020SL
0402L035SL
0402L050SL
0603L050SL
0603L075SL
0603L100SL
0603L150SL
0603L175SL
0805L075SL
0805L110SL
0805L150SL
0805L175SL
0805L200SLTH
0805L260SLTH
0805L300SL
1206L075SL
1206L110SL
1206L150SL
1206L110/12SL
1206L150/12SL
1206L175SL
1206L200SL
1206L260SLTH
1206L300SLTH
1206L350SLTH
1206L380SLTH*
1206L400SL
1206L450SL
1210L175SL
1210L200SL
1210L260SL
1210L300SL
1210L350SL
1210L380SL
1210L400SL
1210L450SL
1812L190SL
1812L260SL
1812L270SL
1812L300SL
1812L350SL**
1812L370SL
2920L700SL***
0.10
0.20
0.35
0.50
0.50
0.75
1.00
1.50
1.75
0.75
1.10
0.30
0.50
0.70
1.00
1.00
1.50
1.80
3.00
3.50
1.50
1.80
3.00
3.50
4.00
5.00
6.00
1.50
2.20
3.90
2.20
3.00
3.50
4.00
5.00
6.00
7.00
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
12
12
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
40
40
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
0.5
0.5
0.5
0.5
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.2
0.50
1.00
1.00
1.00
0.10
0.10
0.10
0.20
0.30
0.50
0.60
0.20
0.30
0.50
0.60
1.00
4.00
5.00
0.30
0.30
0.30
0.30
0.30
0.40
0.50
4.00
4.00
5.00
5.00
2.00
2.00
2.50
3.00
4.00
2.00
2.00
5.00
5.00
2.00
4.50
2.00
2.00
5.00
5.00
2.00
0.20
0.150
0.100
0.050
0.040
0.070
0.005
0.040
0.007
0.005
0.040
0.030
0.015
0.005
0.005
0.003
0.003
0.017
0.015
0.010
0.015
0.010
0.005
0.005
0.003
0.003
0.003
0.002
0.001
0.001
0.006
0.005
0.003
0.003
0.003
0.002
0.001
0.001
0.003
0.003
0.003
0.003
0.003
0.003
0.001
2.000
1.250
0.700
0.400
0.350
0.250
0.120
0.080
0.060
0.160
0.130
0.065
0.055
0.045
0.035
0.030
0.180
0.100
0.065
0.130
0.080
0.030
0.025
0.026
0.020
0.018
0.014
0.014
0.014
0.040
0.024
0.020
0.020
0.018
0.016
0.014
0.014
0.025
0.024
0.022
0.021
0.020**
0.018
0.007
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
X
X
X
X
X
X
X
X
X
X
X
X
Pending
Pending
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
20.00
22.50
8.00
8.00
8.00
15.00
17.50
8.00
8.00
22.50
9.50
13.00
13.50
8.00
8.00
18.50
35.00
Pending
Pending
K
N
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
X
X
X
X
X
X
X
X
S
T
V
-G
-H
-K
1.50
1.75
2.00
2.60
3.00
0.75
1.10
-V
-L
-S
-N
-G
-H
-K
1.50
1.10
-H1
-K1
-F
1.50
1.75
2.00
2.60
3.00
3.50
2.82*
4.00
4.50
1.75
2.00
2.60
3.00
3.50
3.80
4.00
4.50
1.90
2.60
2.70
3.00
3.50
3.70
7.00
-L
-S
-N
-T
-V
8.00
8.00
9.00
3.50
4.00
5.00
6.00
7.00
-Y
-Z
-J
-L
-S
-N
-T
-X
8.00
8.00
9.00
4.90
6.00
6.20
7.00
-V
-Y
LF-19
LF-26
LF-27
LF-30
LF-35
LF-37
LF700
8.10
9.10
14.00
Notes:
0805L150SL and 1206L150SL are ideal for overcurrent protection in VBUS of USB 3.0 / USB 2.0 ports.
* 1206L380SLTH has Ihold 2.82A for at least 15min @ 55ºC. It is ideal for overcurrent protection in Li-ion / Li-Polymer battery packs of smartphones.
** 1812L350SLTypicalTime-To-Trip is 50A at 0.013-0.020 seconds. R1min=0.015ohm (resistance range 0.015-0.025ohm).
*** 2920L700SL is ideal for overcurrent protection in Li-ion / Li-Polymer battery packs of tablet PC.
I hold = Hold current: maximum current device will pass without tripping in 20°C still air.
trip =Trip current: minimum current at which the device will trip in 20°C still air.
max = Maximum voltage device can withstand without damage at rated current (I max)
max = Maximum fault current device can withstand without damage at rated voltage (Vmax
d = Power dissipated from device when in the tripped state at 20°C still air.
R min = Minimum resistance of device in initial (un-soldered) state.
I
V
I
P
R
1max = Maximum resistance of device at 20°C measured one hour after tripping or reflow
soldering of 260°C for 20 sec.
Caution: Operation beyond the specified rating may result in damage and possible arcing
and flame.
)
© 2012 Littelfuse, Inc.
Lo Rho Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/LoRho.html for current information.
Revised: October 9, 2012
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