16R250GU Littelfuse Inc, 16R250GU Datasheet - Page 2

• Manufacturer Part Number: 16R250GU
• Description: PTC RESETTABLE 16V 2.50A RADIAL
• Manufacturer: Littelfuse Inc
• Series: POLYFUSE® 16Rr

Specifications of 16R250GU

• R Min/max: 0.022 ~ 0.053 Ohm
• Voltage - Max: 16V
• Time To Trip: 5s
• Current - Hold (ih) (max): 2.5A
• Current - Trip (it): 4.7A
• Current - Max: 100A
• Package / Case: Radial
• Holding Current: 2.5A
• Tripping Current: 4.7A
• Initial Resistance Max: 0.053ohm
• Initial Resistance Min: 0.022ohm
• Lead Spacing: 5.1mm
• Length: 12.8mm
• Fuse Terminals: Radial Leaded
• External Depth: 3mm
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 16R250G; F3180

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.
16R Series
Temperature Rerating
Average Time Current Curves
Part Number
16R1000G
16R1200G
16R1400G
16R1100G
16R250G
16R300G
16R400G
16R500G
16R600G
16R700G
16R800G
16R900G
0.01
0.1
100
10
1
1
-40°C
20.7
10.4
13.3
14.8
16.3
11.8
17 .7
3.7
4.4
5.9
8.9
7 .4
Current in Amperes
10
-20°C
10.6
12.0
13.3
14.6
15.9
18.6
3.3
4.0
5.3
6.6
8.0
9.3
POLYFUSE
100
10.6
12.9
14.1
16.5
0°C
11.8
2.9
3.5
4.7
5.9
8.2
9.4
7 .1
Ambient Operation Temperature
Radial Leaded > 16R Series
16R
1000
®
23°C
10.0
12.0
14.0
11.0
2.5
3.0
4.0
5.0
6.0
8.0
9.0
7 .0
Revised: July 12, 2010
Resettable PTCs
Hold Current (A)
70
40°C
10.5
12.2
2.2
2.6
3.5
4.4
5.2
6.1
8.7
9.6
7 .0
7 .8
Temperature Rerating Curve
Temperature Rerating Curve
170%
150%
130%
110%
90%
70%
50%
30%
10%
-40 -30 -20
50°C
11.1
2.0
2.4
3.2
4.0
4.8
5.6
6.3
8.7
9.5
7 .1
7 .9
Please refer to www.littelfuse.com/series/16R.html for current information.
-10
60°C
10.0
0
2.1
2.9
3.6
4.3
5.0
5.7
6.5
8.6
1.8
7 .1
7 .9
10
Specifications are subject to change without notice.
Temperature (°C)
20
70°C
30
2.6
3.2
3.9
4.5
5.1
5.8
6.4
9.0
1.6
1.9
7 .0
7 .7
40
50
85°C
60
2.1
2.6
3.2
3.7
4.2
4.7
5.3
5.8
6.3
1.3
1.6
7 .4
© 2010 Littelfuse, Inc.
70
80