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LR4-900F PDF预览

LR4-900F

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:

LR4-900F 数据手册

 浏览型号LR4-900F的Datasheet PDF文件第1页浏览型号LR4-900F的Datasheet PDF文件第2页浏览型号LR4-900F的Datasheet PDF文件第4页 
Resettable PPTC Datasheet  
PolySwitch® Resettable PPTCs  
Battery Strap > LR4 Series  
Dimensions in Millimeters (Inches)  
A
A
C
C
F
B
F
B
D
E
D
E
A
B
C
D
E
F
Part  
Description  
Ordering Part  
Number  
Figure  
Min  
Max  
Min  
Max  
Min  
Max  
Min  
Max  
Min  
Max  
Min  
Max  
19.9  
22.1  
4.9  
5.5  
0.6  
1.0  
5.5  
7. 5  
5.5  
7. 5  
3.9  
4.1  
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  
B1  
B1  
B1  
B1  
B1  
B1  
B1  
B1  
B1  
B1  
B2  
(0.796) (0.884) (0.196) (0.220) (0.024) (0.040) (0.220) (0.300) (0.220) (0.300) (0.156) (0.164)  
20.9 23.1 4.9 5.5 0.6 1.0 4.1 5.5 4.1 5.5 3.9 4.1  
(0.836) (0.924) (0.196) (0.220) (0.024) (0.040) (0.164) (0.220) (0.164) (0.220) (0.156) (0.164)  
24.0 26.0 6.9 7. 5 0.6 1.0 4.1 5.5 4.1 5.5 4.9 5.1  
(0.960) (1.040) (0.276) (0.300) (0.024) (0.040) (0.164) (0.220) (0.164) (0.220) (0.196) (0.204)  
32.2 35.8 4.9 5.5 0.6 1.0 5.5 7. 5 5.5 7. 5 3.9 4.1  
(1.288) (1.432) (0.196) (0.220) (0.024) (0.040) (0.220) (0.300) (0.220) (0.300) (0.156) (0.164)  
24.0 26 9.9 10.5 0.6 1.0 5.3 6.7 5.3 6.7 5.9 6.1  
(0.960) (1.040) (0.396) (0.420) (0.024) (0.040) (0.212) (0.268) (0.212) (0.268) (0.236) (0.244)  
35.0 37.0 6.9 7. 5 0.6 1.0 5.3 6.7 5.3 6.7 4.9 5.1  
(1.400) (1.480) (0.276) (0.300) (0.024) (0.040) (0.212) (0.268) (0.212) (0.268) (0.196) (0.204)  
24.0 26.0 13.9 14.5 0.6 1.0 4.1 5.5 4.1 5.5 5.9 6.1  
(0.960) (1.040) (0.556) (0.580) (0.024) (0.040) (0.164) (0.220) (0.164) (0.220) (0.236) (0.244)  
40.5 42.7 6.9 7. 5 0.6 1.0 5.2 6.8 5.2 6.8 4.9 5.1  
(1.620) (1.708) (0.276) (0.300) (0.024) (0.040) (0.208) (0.272) (0.208) (0.272) (0.196) (0.204)  
27.1 29.1 13.9 14.5 0.6 1.0 4.1 5.5 4.1 5.5 5.9 6.1  
(1.084) (1.164) (0.556) (0.580) (0.024) (0.040) (0.164) (0.220) (0.164) (0.220) (0.236) (0.244)  
45.4 47.6 7. 9 8.5 0.9 1.3 4.6 6.2 4.6 6.2 5.9 6.1  
(1.816) (1.904) (0.316) (0.340) (0.036) (0.052) (0.184) (0.248) (0.184) (0.248) (0.236) (0.244)  
61.5 66.5 9.4 10.0 0.9 1.3 5.0 7. 5 5.0 7. 5 5.9 6.1  
(2.460) (2.660) (0.376) (0.400) (0.036) (0.052) (0.200) (0.300) (0.200) (0.300) (0.236) (0.244)  
Part Naming System  
Physical Characteristics &  
Environmental Specifications  
LR4 190 F  
Physical Characteristics  
0.125mm NominalThickness, Quarter-hard Nickel  
Polyester  
Lead Material  
Tape Material  
Modifier  
T/N = Tin plating lead  
Environmental Specifications  
H
D
F
L
S
= Hole Punched in Lead  
Test  
Conditions  
70°C, 1000 hrs  
85°C/85% RH, 7 Days  
Resistance Change  
= Short Leaded Strap  
= Lead-free Version  
= Long Lead or Leads  
= Slit Lead  
Passive Aging  
Humidity Aging  
Vibration  
10% typ  
5% typ  
MIL-STD-883D, Method 2026 No Change  
Notes  
Storage conditions: 40°C max., 70% RH max.; devices should remain in original sealed bags prior to use.  
Devices may not meet specified values if these storage conditions are exceeded.  
SS = Both Leads Slit  
U
X
= Untaped  
= Rotated Chip  
Hold Current Indicator  
Product Series  
© 2022 Littelfuse, Inc.  
Specifications are subject to change without notice.  
Revised: GD. 08/16/22  
3

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