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LR4-380F PDF预览

LR4-380F

更新时间: 2023-12-06 20:12:58
品牌 Logo 应用领域
力特 - LITTELFUSE 电池
页数 文件大小 规格书
4页 405K
描述
Littelfuse PolySwitch是聚合物正温度系数(PPTC)自恢复器件的先驱,提供多种材料平台来帮助保护电池应用。 高跳闸温度、宽范围的保持电流额定值和高电压额定值以及汽车认证是用于LR4系列的独特组合 特征和优势: 应用:

LR4-380F 数据手册

 浏览型号LR4-380F的Datasheet PDF文件第1页浏览型号LR4-380F的Datasheet PDF文件第3页浏览型号LR4-380F的Datasheet PDF文件第4页 
Resettable PPTC Datasheet  
PolySwitch® Resettable PPTCs  
Battery Strap > LR4 Series  
Thermal Derating [Hold Current (A) at AmbientTemperature (°C)]  
Maximum AmbientTemperature  
Part  
Description  
Ordering Part  
Number  
-40°C  
-20°C  
0°C  
20°C  
25°C  
40°C  
50°C  
60°C  
70°C  
80°C  
85°C  
Hold Current (A)  
LR4-190F  
LR4-260F  
LR4-380F  
LR4-380XF  
LR4-450F  
LR4-550F  
LR4-600F  
LR4-600XF  
LR4-730F  
LR4-900F  
LR4-1300SSF  
RF1538-000  
RF1543-000  
RF1536-000  
E89591-000  
RF1542-000  
RF1545-000  
RF1549-000  
A77736-000  
RF1547-000  
RF2165-000  
RF1550-000  
2.8  
3.8  
5.4  
5.4  
6.5  
7. 6  
2.5  
3.4  
4.9  
4.9  
5.8  
6.9  
7. 8  
2.3  
3.1  
4.4  
4.4  
5.3  
6.2  
7. 1  
1.9  
2.6  
3.8  
3.8  
4.5  
5.5  
6.0  
6.0  
7. 3  
1.86  
2.54  
3.64  
3.64  
4.38  
5.32  
5.86  
5.86  
7. 13  
1.6  
2.2  
3.3  
3.3  
3.9  
4.7  
5.2  
5.2  
6.3  
7. 5  
1.5  
2.0  
3.0  
3.0  
3.6  
4.3  
4.7  
4.7  
5.7  
6.8  
10.3  
1.4  
1.9  
2.8  
2.8  
3.3  
4.0  
4.4  
4.4  
5.4  
6.2  
9.5  
1.2  
1.7  
2.5  
2.5  
2.9  
3.6  
3.9  
3.9  
4.7  
5.5  
8.6  
1.1  
1.4  
2.3  
2.3  
2.6  
3.2  
3.4  
3.4  
4.2  
4.9  
7. 7  
1.0  
1.3  
2.1  
2.1  
2.4  
3.0  
3.2  
3.2  
4.0  
4.5  
7. 2  
8.7  
8.7  
10.5  
12.7  
17. 9  
7. 8  
7. 1  
9.5  
11.4  
16.2  
8.6  
10.0  
14.5  
9.0  
13.0  
8.50  
12.40  
11.1  
* Product electrical characteristics determined at 25°C.  
Electrical Characteristics  
IH  
IT  
VMAX  
IMAX  
(A)  
PD MAX MaxTime-to-trip RMIN  
RMAX R1MAX  
(Ω) (Ω)  
Part  
Description  
Ordering Part  
Number  
Typical Activation  
Temperature  
Typical  
Resistance  
(A)  
(A)  
3.9  
(VDC  
)
(W)  
1.2  
(A)  
(s)  
5.0  
5.0  
5.0  
5.0  
5.0  
5.0  
5.0  
5.0  
5.0  
5.0  
10.0  
(Ω)  
LR4-190F  
LR4-260F  
LR4-380F  
LR4-380XF  
LR4-450F  
LR4-550F  
LR4-600F  
LR4-600XF  
LR4-730F  
LR4-900F  
LR4-1300SSF  
RF1538-000  
RF1543-000  
RF1536-000  
E89591-000  
RF1542-000  
RF1545-000  
RF1549-000  
A77736-000  
RF1547-000  
RF2165-000  
RF1550-000  
1.90  
2.60  
3.80  
3.80  
4.50  
5.50  
6.00  
6.00  
7.30  
9.00  
13.00  
15  
100  
100  
100  
100  
100  
100  
100  
100  
100  
100  
100  
9.5  
0.0390 0.0720 0.102  
0.0200 0.0420 0.063  
0.0130 0.0260 0.037  
0.0130 0.0260 0.037  
0.0110 0.0200 0.028  
0.0090 0.0160 0.022  
0.0070 0.0140 0.019  
0.0075 0.0140 0.019  
0.0060 0.0120 0.015  
0.0060 0.0100 0.014  
0.0035 0.0065 0.009  
125 °C  
125 °C  
125 °C  
125 °C  
125 °C  
125 °C  
125 °C  
125 °C  
125 °C  
125 °C  
125 °C  
0.056  
0.031  
0.020  
0.020  
0.016  
0.013  
0.011  
0.011  
0.009  
0.008  
0.006  
5.8  
15  
2.5  
2.5  
2.5  
2.3  
2.8  
2.8  
2.8  
3.3  
3.8  
4.5  
13.0  
19.0  
19.0  
22.5  
27.5  
30.0  
30.0  
30.0  
45.0  
50.0  
8.3  
15  
8.3  
15  
8.9  
20  
20  
20  
20  
20  
20  
20  
10.5  
11.7  
11.7  
14.1  
16.7  
21.2  
* Product electrical characteristics determined at 25°C.  
Notes:  
IMAX - Maximum fault current device can withstand without damage at rated voltage.  
PD - Power dissipated from device when in the tripped state in 20°C still air unless otherwise specified.  
RMIN - Minimum resistance of device as supplied at 20°C unless otherwise specified.  
IH - Hold current: maximum current device will pass without interruption in 20°C still air unless otherwise  
specified.  
IT - Trip current: minimum current that will switch the device from low-resistance to high-resistance in 20°C still  
air unless otherwise specified.  
RMAX - Maximum resistance of device as supplied at 20°C unless otherwise specified.  
R1MAX - Maximum resistance, measured at 20°C unless otherwise specified, of device one hour after being  
VMAX - Maximum voltage device can withstand without damage at rated current.  
gripped the first time.  
Thermal Derating Curve  
TypicalTime-to-Trip Curve at 20°C  
200  
180  
160  
140  
120  
100  
80  
G
F
100  
H
E
D
I
B
A
C
10  
1
G
A
F
E
I
D
C
H
B
0.10  
0.01  
60  
40  
1
10  
100  
20  
Fault Current (A)  
0
-50 -40 -30 -20 -10  
0
10 20 30 40 50 60 70 80 90  
A - LR4-190F  
B - LR4-260F  
C - LR4-380F  
D - LR4-450F  
E - LR4-550F  
F - LR4-600F  
G - LR4-730F  
H - LR4-900F  
- LR4-1300SSF  
I
Temperature (˚C)  
© 2022 Littelfuse, Inc.  
Specifications are subject to change without notice.  
2
Revised: GD. 08/16/22  

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