16R250GU Littelfuse Inc, 16R250GU Datasheet - Page 4

• 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

16R Series
16R700GKL
Dimensions
16R1000G
16R1200G
16R1400G
16R1100G
16R250G
16R300G
16R400G
16R500G
16R600G
16R700G
16R800G
16R900G
Number
Part
A
C
Figure 1
Figure
B
D
2
1
1
1
1
1
2
1
1
1
1
1
1
Inches
Max.
E
0.35
0.28
0.35
0.41
0.42
0.44
0.44
0.50
0.55
0.65
0.69
0.69
0.93
A
23.50
Max.
10.40
10.70
12.70
14.00
16.50
11.20
11.20
17 .50
17 .50
mm
8.90
8.90
7 .10
POLYFUSE
Inches
A
C
Max.
0.50
0.43
0.50
0.56
0.67
0.78
0.93
0.82
0.85
0.99
1.02
1.10
1.10
Figure 2
B
B
D
26.00
28.00
12.80
12.80
14.30
19.70
23.70
20.90
21.70
25.20
Max.
11.00
27 .90
17 .10
mm
Radial Leaded > 16R Series
Inches
®
E
Typ.
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.40
0.40
Revised: July 12, 2010
Resettable PTCs
C
72
mm
Typ.
10.2
10.2
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
Part Marking System
Inches
Min.
0.13
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
D
Min.
mm
3.18
telfuse
7 .6
7 .6
7 .6
7 .6
7 .6
7 .6
7 .6
7 .6
7 .6
7 .6
7 .6
7 .6
demark
Please refer to www.littelfuse.com/series/16R.html for current information.
Single Sided Marking
Inches
Max.
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.14
0.14
250G
XXXX
16
E
Max.
mm
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.50
3.50
Specifications are subject to change without notice.
Voltage Rating
Current Rating
Date Code
(Contact Littelfuse
for additional
information)
Inches
0.020
0.032
0.032
0.032
0.032
0.032
0.032
0.032
0.032
0.032
0.032
0.039
0.039
Physical Characteristics
Lead (dia)
mm
0.51
0.81
0.81
0.81
0.81
0.81
0.81
0.81
0.81
0.81
0.81
1.00
1.00
© 2010 Littelfuse, Inc.
Sn/CuFe
Material
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu