Littelfuse 2920L Series - Manual (Page 2)

POLY-FUSE ® Resettable PTCs
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/12/13
2920L S
eries
Surface Mount > 2920L Series
Ambient Operation Temperature
-40°C -20°C 0°C 20°C 40°C 50°C 60°C 70°C 85°C
Part Number Hold Current (A)
2920L030 0.45 0.40 0.35 0.30 0.25 0.23 0.20 0.17 0.14
2920L050 0.76 0.67 0.59 0.50 0.42 0.38 0.33 0.29 0.23
2920L075 1.13 1.01 0.88 0.75 0.62 0.56 0.50 0.44 0.34
2920L075/60 1.13 1.01 0.88 0.75 0.62 0.56 0.50 0.44 0.34
2920L100 1.66 1.47 1.29 1.10 0.91 0.83 0.73 0.64 0.50
2920L125 1.89 1.68 1.46 1.25 1.04 0.94 0.83 0.73 0.56
2920L150 2.27 2.01 1.76 1.50 1.25 1.13 1.00 0.87 0.74
2920L185 2.80 2.47 2.17 1.85 1.54 1.39 1.22 1.07 0.85
2920L200 3.02 2.68 2.34 2.00 1.66 1.50 1.32 1.16 0.90
2920L200/24 3.14 2.77 2.42 2.00 1.73 1.56 1.38 1.20 0.98
2920L250 3.78 3.35 2.93 2.50 2.08 1.88 1.65 1.45 1.13
2920L260 3.64 3.25 2.91 2.60 2.26 2.08 1.95 1.74 1.48
2920L300 4.53 4.02 3.51 3.00 2.52 2.26 1.99 1.75 1.34
2920L300/15 4.20 3.85 3.44 3.00 2.69 2.50 2.31 2.12 1.83
2920L500/16 6.85 6.25 5.65 5.00 4.25 3.88 3.50 2.80 2.25
Temperature Rerating
Temperature Rerating Curve
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 85
10%
30%
50%
70%
90%
110%
130%
150%
170%
Temperature (°C)
Percentage of Rated Current
Average Time Current Curves
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.
0.01
0.1
1
10
100
1000
10000
100000
0.1 1 10 100
Time in Seconds
Current in Amperes
0.01
0.1
1
10
100
1000
10000
100000
0.1 1 10 100
Current in Amperes
Time in Seconds
0.01
0.1
1
10
100
1000
10000
100000
0.1 1 10 100
Current in Amperes
Time in Seconds
1812L
0603L 250S
0805L OLD 1206L OLD
0.01
0.1
1
10
100
0.1 1 10 100
Current in Amperes
Time in Seconds
0.01
0.1
1
10
100
1000
10000
100000
0.1 1 10 100
Current in Amperes
Time in Seconds
0.04A 0.10A 0.20A 0.25A 0.35A 0.50A
0.10
1
10
100
1000
0.1 1 10 100
Current in Amperes
Time in Seconds
0.13
A
0.10
A
0.20
A
0.35
A
0.50
A
0.75
A
1.00
A
0.12
A
0.16
A
0.20
A
0.25
A
0.35
A
0.35A/15
V
0.50
A
0.50A/15
V
0.75
A
1.0A 1.1A 1.5A 2.0A
0.10
A
0.14
A
0.20
A
0.50
A
0.75A/33
V
0.75A/24
V
0.75
A
1.10A/16
V
1.10A/33
V
1.10
A
1.25
A
1.25A/6V 1.50A/12
V
1.50
A
1.50A/24
V
1.60A/12
V
1.60
A
1.60A/8V 2.00
A
2.60
A
2920L
0.10
1
10
100
1000
0.1 1 10 100
Current in Amperes
Time in Seconds
0.16
A
0.30
A
1.00A/33
v
1.00
A
1.50
A
2.00
A
0.30
A
0.50
A
0.75
A
& 0.75A/60
1.00
A
1.25
A
1.50
A
1.85
A
2.00A/24
V
2.50
A
2.60
A
3.00A/15
V
0.01
0.1
1
10
100
1000
10000
100000
0.1 1 10 100
Current in Amperes
Time in Seconds
2920L
0.10
A
0.30
A
0.50
A
.75A
.75A/6
0
1.00
A
1.25
A
1.50
A
1.85
A
2.00A/24
V
2.00
A
2.50
A
2.60
A
3.00A/15
V
3.00
A
2016L OLD
0.01
0.1
1
10
100
1000
10000
0.1 1 10 100
Current in Amperes
Time in Seconds
1210L OLD
0.05A 0.1
0A
0.20A 0.35A 0.50A 0.75A 1.
10
A
1.50A 1.75A 2.0
0A
0.01
0.1
1
10
100
0.1 1 10
Time in Seconds
Current in Amperes
1210L
0.05A 0.1
0A
0.20A 0.35A 0.50A 0.75A 0.75A/24 1.
10
A
1.50A 1.75A 2.0
0A
0.01
0.1
1
10
100
0.1 1 10
Time in Seconds
Current in Amperes
2016L
0.30A 0.50A 0.75A/60 1.
00
A
1.
00A/3
3
1.50A 2.0
0A
0.01
0.1
1
10
100
0.1 1 10
Time in Seconds
Current in Amperes
1206L
0.1
2A
0.1
6A
0.20A 0.25A 0.35A, 0.35A/1
5V
0.50A, 0.50A/1
5V
0.75A 0.75A/1
3.2
V
1.1A 1.5A 1.75A 2.0A
0805L
0.01
0.1
1
10
100
0.1 1 10 100
Current in Amperes
Time in Seconds
0.10A 0.20A 0.35A 0.50A 0.75A 1.00A 1.10A
Notes: The temperature rerating data is only for reference, please contact Littelfuse technical support for detail temperature rerating information.