578244 Datasheet, PDF (2/6 Pages) Littelfuse – 2920L Series

POLYFUSE^® Resettable PTCs
Surface Mount > 2920L Series
Temperature Rerating
Part Number
2920L030
2920L050
2920L075
2920L075/60
2920L100
2920L125
2920L150
2920L185
2920L200
2920L200/24
2920L250
2920L260
2920L300
2920L300/15
-40°C
0.45
0.76
1.13
1.13
1.66
1.89
2.27
2.80
3.02
3.14
3.78
3.64
4.53
4.20
-20°C
0.40
0.67
1.01
1.01
1.47
1.68
2.01
2.47
2.68
2.77
3.35
3.25
4.02
3.85
Average Time Current Curves
Ambient Operation Temperature
0°C
23°C
40°C
50°C
60°C
Hold Current (A)
0.35
0.30
0.25
0.23
0.20
0.59
0.50
0.42
0.38
0.33
0.88
0.75
0.62
0.56
0.50
0.88
0.75
0.62
0.56
0.50
1.29
1.10
0.91
0.83
0.73
1.46
1.25
1.04
0.94
0.83
1.76
1.50
1.25
1.13
1.00
2.17
1.85
1.54
1.39
1.22
2.34
2.00
1.66
1.50
1.32
2.42
2.00
1.73
1.56
1.38
2.93
2.50
2.08
1.88
1.65
2.91
2.60
2.26
2.08
1.95
3.51
3.00
2.52
2.26
1.99
3.44
3.00
2.69
2.50
2.31
Temperature Rerating Curve
70°C
0.17
0.29
0.44
0.44
0.64
0.73
0.87
1.07
1.16
1.20
1.45
1.74
1.75
2.12
85°C
0.14
0.23
0.34
0.34
0.50
0.56
0.74
0.85
0.90
0.98
1.13
1.48
1.34
1.83
100000
10000
1000
100
2920L
170%
150%
130%
110%
90%
70%
50%
30%
10%
-40 -30 -20 -10
0 10 20 30 40 50 60 70 80 85
Temperature (°C)
10
1
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.
2920L Series
52
Revised: December 2, 2009
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/2920L.html for current information.