1812L 데이터 시트보기 (PDF) - Littelfuse, Inc
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1812L Datasheet PDF : 7 Pages
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POLY-FUSE® Resettable PTCs
Surface Mount > 1812L Series
Electrical Characteristics
Part Number
1812L200/12
1812L200/16
1812L260TH 1
1812L260/12
1812L260/16
1812L300
Marking
I hold
(A)
I trip
V max
I max
(A) (Vdc) (A)
Pd
typ.
(W)
Max. Time To Trip
Current
(A)
Time
(Sec.)
LF200-12 2.00 3.50 12 100 1.0
8.00
2.00
LF200-16 2.00 3.50 16 100 1.0
8.00
2.00
LF260 2.60 5.00 8
100 0.8
8.00
2.50
LF260-12 2.60 5.00 12 100 0.8
8.00
5.00
LF260-16 2.60 5.00 16 100 1.2
8.00
5.00
LF300 3.00 5.00 6
100 0.8
8.00
4.00
Resistance
R min
(Ω)
R 1max
(Ω)
0.020 0.070
0.020 0.070
0.015
0.047
0.015
0.055
0.015
0.050
0.012
0.040
Agency Approvals
X
X
X
X
X
X
X
X
X
X
X
X
I hold = Hold current: maximum current device will pass without tripping in 20°C still air.
I trip = Trip current: minimum current at which the device will trip in 20°C still air.
V max = Maximum voltage device can withstand without damage at rated current (I max)
I max = Maximum fault current device can withstand without damage at rated voltage (Vmax)
P 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.
R typ = Typical resistance of device in initial (un-soldered) state.
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.
1 Some older references to these devices may include “–C“ in the Part Number. The “–C“ should be omitted when placing new orders for the device.
Temperature Rerating
Ambient Operation Temperature
-40°C
-20°C
0°C
20°C
40°C
50°C
60°C
Part Number
Hold Current (A)
1812L010
0.16
0.14
0.12
0.10
0.08
0.07
0.06
1812L010/60
0.14
0.13
0.11
0.10
0.09
0.08
0.07
1812L014
0.23
0.19
0.17
0.14
0.12
0.10
0.09
1812L020
0.29
0.26
0.23
0.20
0.17
0.15
0.14
1812L020/60
0.30
0.27
0.23
0.20
0.17
0.14
0.13
1812L035/30
0.50
0.45
0.40
0.35
0.30
0.26
0.24
1812L050
0.77
0.68
0.59
0.50
0.44
0.40
0.37
1812L050/30
0.77
0.68
0.59
0.50
0.44
0.40
0.37
1812L075
1.15
1.01
0.88
0.75
0.65
0.60
0.55
1812L075/24
1.06
0.95
0.84
0.75
0.60
0.55
0.50
1812L075/33
1.10
1.00
0.88
0.75
0.66
0.60
0.56
1812L110
1.59
1.43
1.26
1.10
0.95
0.87
0.80
1812L110/16
1.58
1.43
1.27
1.10
0.95
0.85
0.77
1812L110/24
1.55
1.40
1.25
1.10
0.93
0.83
0.73
1812L110/33
1.55
1.40
1.25
1.10
0.93
0.83
0.73
1812L125/6
2.00
1.75
1.52
1.25
1.00
0.95
0.90
1812L125/16
2.00
1.75
1.52
1.25
1.00
0.95
0.90
1812L150
2.06
1.93
1.79
1.50
1.28
1.10
1.02
1812L150/12
2.04
1.88
1.68
1.50
1.25
1.10
1.00
1812L150/24
2.05
1.87
1.67
1.50
1.25
1.08
0.95
1812L160
2.20
2.06
1.91
1.60
1.36
1.17
1.09
1812L160/12
2.20
2.06
1.91
1.60
1.36
1.17
1.09
1812L200TH
2.60
2.44
2.22
2.00
1,78
1.67
1.50
1812L200/12
2.80
2.60
2.36
2.00
1.72
1.56
1.40
1812L200/16
2.80
2.60
2.36
2.00
1.72
1.56
1.40
1812L260TH
3.40
3.16
3.00
2.60
2.30
2.15
2.00
1812L260/12
3.40
3.16
3.00
2.60
2.30
2.15
2.00
1812L260/16
3.66
3.30
2.96
2.60
2.23
2.06
1.89
1812L300
4.13
3.75
3.30
3.00
2.61
2.43
2.25
Notes: The temperature rerating data is only for reference, please contact Littelfuse technical support for detail temperature rerating information.
70°C
0.05
0.07
0.08
0.12
0.11
0.20
0.33
0.33
0.49
0.45
0.47
0.71
0.71
0.63
0.63
0.75
0.75
0.80
0.80
0.77
0.85
0.85
1.45
1.20
1.20
1.85
1.85
1.61
2.00
85°C
0.03
0.05
0.06
0.10
0.08
0.16
0.29
0.29
0.43
0.37
0.36
0.60
0.58
0.50
0.50
0.53
0.53
0.68
0.60
0.60
0.72
0.72
1.29
1.04
1.04
1.63
1.63
1.30
1.78
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/05/13
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