Littelfuse 16R Series - Manual (Page 2)

POLY-FUSE ® Resettable PTCs
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 10/17/13
Radial Leaded > 16R Series
1
6R S
eries
Temperature Rerating Curve Average Time Current Curves
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)
16R250G 3.7 3.3 2.9 2.5 2.2 2.0 1.8 1.6 1.3
16R300G 4.4 4.0 3.5 3.0 2.6 2.4 2.1 1.9 1.6
16R400G 5.9 5.3 4.7 4.0 3.5 3.2 2.9 2.6 2.1
16R500G 7.4 6.6 5.9 5.0 4.4 4.0 3.6 3.2 2.6
16R600G 8.9 8.0 7.1 6.0 5.2 4.8 4.3 3.9 3.2
16R700G 10.4 9.3 8.2 7.0 6.1 5.6 5.0 4.5 3.7
16R800G 11.8 10.6 9.4 8.0 7.0 6.3 5.7 5.1 4.2
16R900G 13.3 12.0 10.6 9.0 7.8 7.1 6.5 5.8 4.7
16R1000G 14.8 13.3 11.8 10.0 8.7 7.9 7.1 6.4 5.3
16R1100G 16.3 14.6 12.9 11.0 9.6 8.7 7.9 7.0 5.8
16R1200G 17.7 15.9 14.1 12.0 10.5 9.5 8.6 7.7 6.3
16R1400G 20.7 18.6 16.5 14.0 12.2 11.1 10.0 9.0 7.4
Temperature Rerating
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.
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
10%
30%
50%
70%
90%
110%
130%
150%
170%
Temperature (°C)
Percentage of Rated Current
Temperature Rerating Curve
0.10
A
0.17
A
0.30
A
0.40
A
0.20
A
0.25
A
0.50
A
0.65
A
0.75
A
0.90
A
1.10
A
1.35
A
1.60
A
1.85
A
2.50
A
3.00
A
3.75
A
60R
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
0.01
0.1
1
10
100
1000
10000
100000
0.90
A
1.10
A
1.35
A
1.60
A
1.85
A
2.50
A
3.00
A
4.00
A
5.00
A
6.00
A
7.00
A
8.00
A
9.00
A
30R
0.080A 0.120A 0.145A 0.180A 250R
2.5
A
3.0
A
4.0
A
5.0
A
6.0
A
7.0
A
8.0
A
9.0
A
10.0
A
11
.0
A
12.0
A
14.0
A
0.01
0.1
1
10
100
16R
100
1
10
0.1
0.001
0.01
0.75
A
1.20
A
1.55
A
0.90
A
1.10
A
1.35
A
1.60
A
1.85
A
2.50
A
1 10 100 1000
Current in Amperes
1 10 100 1000
Current in Amperes
0.1 1 10 100
Current in Amperes
0.1 1 10 100
Current in Amperes
0.1 1 10 100
Current in Amperes
10
1
0.1
10000
1000
100
0.15
A
0.16
A
100000
600R
Time in Seconds Time in Seconds Time in Seconds Time in Seconds
Time in Seconds
USBR
0.20
A
0.25
A
0.30
A
0.40
A
0.50
A
0.65
A
0.75
A
0.90
A
1.10
A
1.35
A
1.60
A
1.85
A
2.50
A
3.00
A
3.75
A
72R
0.01
0.1
1
10
100
0.1 1 10 100
Current in Amperes
Time in Seconds