参数资料
型号: 20LR730SU
厂商: Littelfuse Inc
文件页数: 2/4页
文件大小: 0K
描述: PTC RESETTABLE 20V 7.30A STRAP
标准包装: 500
系列: POLYFUSE® LR
电流 - 维持(Ih): 7.3A
电流 - 跳闸(It): 14.1A
电流 - 最大: 100A
电压 - 最大: 20V
R最小/最大: 0.006 ~ 0.015 欧姆
跳闸时间: 5s
封装/外壳:
包装: 散装
POLYFUSE ? Resettable PTCs
Axial Lead Battery Strap Type > LR Series
Temperature Rerating
Ambient Operation Temperature
-40°C
-20°C
0°C
23°C
40°C
50°C
60°C
70°C
85°C
Part Number
Hold Current (A)
15LR190
15LR190S
15LR260
15LR260S
15LR380
20LR450
20LR550
20LR600
20LR730
2.80
2.80
3.80
3.80
5.50
6.50
8.00
8.70
10.60
2.50
2.50
3.40
3.40
4.90
5.80
7.10
7.80
9.50
2.30
2.30
3.10
3.10
4.40
5.30
6.20
7.10
8.60
1.90
1.90
2.60
2.60
3.80
4.50
5.50
6.00
7.30
1.60
1.60
2.20
2.20
3.30
3.90
4.70
5.20
6.30
1.50
1.50
2.00
2.00
3.00
3.60
4.30
4.70
5.70
1.40
1.40
1.90
1.90
2.80
3.30
4.00
4.40
5.40
1.20
1.20
1.70
1.70
2.50
2.90
3.60
3.90
4.70
1.00
1.00
1.40
1.40
2.10
2.50
3.00
3.30
4.00
Average Time Current Curves
Temperature Rerating Curve
170%
1 5 0% B
10
LR
130%
A
110%
90%
70%
Line/Part Number:
A
1
5 0%
30%
A
1 5 LR190 ? 1 5 LR260
1 5 LR190 S ? 1 5 LR260 S
1 5 LR260 ? 1 5 LR4 5 0
B
1 5 LR380
1 5 LR 55 0
1 5 LR600
20LR730
B
10%
-40 -30 -20
-10
0
10
20 30 40
5 0
60
70
80
Temperature (°C)
0.1
0.01
1
10
100
1000
Current in Amperes
The average time current curves and Temperature Rerating curve performance is affected
by a number or variables, and these curves provided as guidance only. Customer must
verify the performance in their application.
LR Series
114
Revised: June 4, 2010
? 2010 Littelfuse, Inc.
Speci?cations are subject to change without notice.
Please refer to www.littelfuse.com/series/LR.html for current information.
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