1812L200ZRT [LITTELFUSE]
PTC Resettable Fuse, Surface Mount;
| 型号： | 1812L200ZRT |
| 厂家： | 
LITTELFUSE |
| 描述： | PTC Resettable Fuse, Surface Mount |
| 文件： | 总2页 (文件大小：167K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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RESETTABLE PTCs
SURFACE MOUNT PTC
®
®
1812L Series
PHYSICAL SPECIFICATIONS:
ENVIRONMENTAL SPECIFICATIONS:
Terminal Material: Tin-Lead Plated Copper
Passive Aging: 85°C, 1000 Hours.
Solderability: Meets EIA specification RS186-9E and
IPC/EIA J-STD-002, and IPC/EIA J-STD-001.
Humidity Aging: 85°C, 85% R.H., 100 hours.
Thermal Shock: 85°C / –40°C, 20 times.
Vibration: MIL-STD 202, Method 201, MIL-STD-883,
F
Device Labeling: Device is marked with L and
amperage rating.
Method 2007.
Packaging: 12mm tape and reel carrier per EIA 481
Standard.
Standard reel quantity: 2,000 devices on 7" reel (PRT Suffix).
Optional reel quantity: 8,000 devices on 13" reel (ZRT Suffix).
Mechanical Shock: MIL-STD-202, Method 213 test condi-
tion I (100 g’s, 6 sec.).
Solvent Resistance: MIL-STD-202, Method 215.
Operating/Storage Temperature: –40°C to 85°C
Device should remain in sealed bags prior to use.
AGENCY APPROVALS: UL, CSA, TUV approved.
Temperature Rerating:
Ambient Temperature
40°C 50°C
Hold Current (A)
-40°C
-20°C
0°C
20°C
60°C
70°C
80°C
85°C
Part Number
1812L050
1812L075
1812L110
1812L125
1812L150
1812L200
1812L260
0.65
0.98
1.44
1.63
1.96
3.02
3.92
0.61
0.91
1.33
1.51
1.81
2.68
3.48
0.57
0.83
1.22
1.41
1.67
2.33
3.04
0.50
0.75
1.10
1.25
1.50
2.00
2.60
0.46
0.69
1.01
1.15
1.38
1.66
2.16
0.44
0.41
0.62
0.90
1.03
1.23
1.32
1.72
0.39
0.58
0.85
0.96
1.16
1.15
1.50
0.37
0.54
0.80
0.91
1.09
0.99
1.28
0.35
0.53
0.77
0.88
1.05
0.82
1.06
0.65
0.96
1.09
1.30
1.49
1.94
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RESETTABLE PTCs
SURFACE MOUNT PTC
1812L Series
Average Time Current Curves
Dimensions (Inches) Recommended Pad Layout (Inches)
All dimensions are nominal.
C
A
100
Top
View
Side
View
B
5
10
Bottom
View
Pad
Layout
5
1
Devices can be reflow or wave soldered.
Dimensions:
0.1
1812L 050-150
Min. [mm (in.)]
Max. [mm (in.)]
A
B
C
4.32(.170)
4.62(.182)
3.00(.118)
3.30(.130)
0.53(.021)
0.69(.028)
Dimensions:
0.01
1812L 200-260
Min. [mm (in.)]
Max. [mm (in.)]
A
B
C
4.32(.170)
4.62(.182)
3.00(.118)
3.30(.130)
1.01(.040)
1.45(.057)
0.001
0.1
1
10
100
CURRENT IN AMPERES
Electrical Characteristics:
Maximum Time
To Trip
Resistance
Part
Number
Ihold
(A)
Itrip
(A)
Vmax
(Vdc)
Imax
(A)
Pd max.
(W)
Current
(A)
Time
(Sec)
RIL
(Ω)
RAT
(Ω)
1812L050
1812L075
1812L110
1812L125
1812L150
1812L200
1812L260
0.50
0.75
1.10
1.25
1.50
2.00
2.60
1.00
1.50
2.20
2.50
3.00
4.00
5.20
15.0
13.2
6.0
6.0
6.0
40
40
40
40
40
40
40
0.8
0.8
0.8
0.8
0.8
0.8
0.8
8.0
8.0
8.0
8.0
8.0
8.0
8.0
0.15
0.30
0.30
0.25
0.30
2.50
2.50
0.100
0.075
0.040
0.045
0.040
1.000
0.420
0.226
0.184
0.137
6.0
6.0
Call for Data Call for Data
0.01 0.050
Ihold = Hold Current: maximum current device will sustain for 4 hours without tripping in 20°C still air.
Itrip = Trip Current: minimum current at which the device will trip in 20°C still air.
Vmax = Maximum voltage device can withstand without damage at rated current (Imax
)
Imax = Maximum fault current device can withstand without damage at rated voltage (Vmax
Pd = Power dissipated from device when in the tripped state at 20°C still air.
RIL = Minimum resistance of device in initial (un-soldered) state.
)
RAT = Maximum measured resistance in the non-tripped state 1 hour after reflow with reflow conditions of 260°C for 20 sec.
CAUTION: Operation beyond the specified ratings may result in damage and possible arcing and flame.
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