POLYFUSE® Resettable PTCs
Surface Mount
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)
0.25
2920L030
2920L050
2920L075
2920L100
2920L125
2920L150
2920L185
2920L200
2920L200/24
2920L250
2920L260
2920L300
2920L300/15
0.45
0.76
1.13
1.66
1.89
2.27
2.80
3.02
3.14
3.78
3.64
4.53
4.20
0.40
0.67
1.01
1.47
1.68
2.01
2.47
2.68
2.77
3.35
3.25
4.02
3.85
0.35
0.59
0.88
1.29
1.46
1.76
2.17
2.34
2.42
2.93
2.91
3.51
3.44
0.30
0.50
0.75
1.10
1.25
1.50
1.85
2.00
2.00
2.50
2.60
3.00
3.00
0.23
0.38
0.56
0.83
0.94
1.13
1.39
1.50
1.56
1.88
2.08
2.26
2.50
0.20
0.33
0.50
0.73
0.83
1.00
1.22
1.32
1.38
1.65
1.95
1.99
2.31
0.17
0.29
0.44
0.64
0.73
0.87
1.07
1.16
1.20
1.45
1.74
1.75
2.12
0.14
0.23
0.34
0.50
0.56
0.74
0.85
0.90
0.98
1.13
1.48
1.34
1.83
0.42
0.62
0.91
1.04
1.25
1.54
1.66
1.73
2.08
2.26
2.52
2.69
Average Time Current Curves
Temperature Rerating Curve
100000
10000
1000
100
10
1
0.100
0.010
0.001
0.02
0.100
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.
2
2920L Series
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©2006 Littelfuse
Electronics Designers Guide
Specifications are subject to change without notice.