参数资料
型号: 72R185XMR
厂商: Littelfuse Inc
文件页数: 2/7页
文件大小: 0K
描述: PTC RESETTABLE 72V 1.85A RADIAL
产品目录绘图: 60R,72R Series Side
(60R,72R)185X Series
标准包装: 1,000
系列: POLYFUSE® 72R
电流 - 维持(Ih): 1.85A
电流 - 跳闸(It): 3.7A
电流 - 最大: 40A
电压 - 最大: 72V
R最小/最大: 0.080 ~ 0.190 欧姆
跳闸时间: 12.6s
封装/外壳: 径向 - 圆盘形
包装: 带盒(TB)
POLYFUSE ? Resettable PTCs
Radial Leaded > 72R 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)
72R020X
72R025X
72R030X
72R040X
72R050X
72R065X
72R075X
72R090X
72R110X
72R135X
72R160X
72R185X
72R250X
72R300X
72R375X
0.31
0.39
0.47
0.62
0.78
1.01
1.16
1.40
1.71
2.09
2.48
2.87
3.88
4.65
5.81
0.27
0.34
0.41
0.54
0.68
0.88
1.02
1.22
1.50
1.84
2.18
2.52
3.40
4.08
5.10
0.24
0.30
0.36
0.48
0.60
0.77
0.89
1.07
1.31
1.61
1.90
2.20
2.98
3.57
4.46
0.20
0.25
0.30
0.40
0.50
0.65
0.75
0.90
1.10
1.35
1.60
1.85
2.50
3.00
3.75
0.16
0.20
0.24
0.32
0.41
0.53
0.61
0.73
0.89
1.09
1.30
1.50
2.03
2.43
3.04
0.14
0.18
0.22
0.29
0.36
0.47
0.54
0.65
0.79
0.97
1.15
1.33
1.80
2.16
2.70
0.13
0.16
0.19
0.25
0.32
0.41
0.47
0.57
0.69
0.85
1.01
1.17
1.58
1.89
2.36
0.11
0.14
0.16
0.22
0.27
0.35
0.41
0.49
0.59
0.73
0.86
1.00
1.35
1.62
2.03
0.08
0.10
0.12
0.16
0.20
0.26
0.30
0.36
0.44
0.54
0.64
0.74
1.00
1.20
1.50
Average Time Current Curves
Temperature Rerating Curve
170%
100
10
1
72R
150%
130%
110%
90%
70%
50%
30%
10%
-40 -30 -20
-10
0
10
20 30 40
50
60
70
80
Temperature (°C)
0.1
0.01
0.1
1
10
100
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.
72R Series
92
Revised: July 12, 2010
? 2010 Littelfuse, Inc.
Speci?cations are subject to change without notice.
Please refer to www.littelfuse.com/series/72R.html for current information.
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