www.littelfuse.com
2006 Littelfuse
74
Electronics Designers Guide
POLYFUSE Resettable PTCs
Radial Leaded
Part
Number
A
B
C
D
E
Physical Characteristics
Inches
mm
Inches
mm
Inches
mm
Inches
mm
Inches
mm
Lead (dia)
Material
Figure
Max.
Typ.
Min.
Max.
Max. Inches
mm
06R075B
0.27
6.9
0.45
11.4
0.20
5.1
0.30
7.6
0.12
3
0.020
0.51
Sn/Cu
1
06R120B
0.27
6.9
0.46
11.7
0.20
5.1
0.30
7.6
0.12
3
0.020
0.51
Sn/CuFe
1
06R155B
0.27
6.9
0.46
11.7
0.20
5.1
0.30
7.6
0.12
3
0.020
0.51
Sn/CuFe
1
16R090B
0.29
7.4
0.48
12.2
0.20
5.1
0.30
7.6
0.12
3
0.020
0.51
Sn/CuFe
2
16R110B
0.29
7.4
0.56
14.2
0.20
5.1
0.30
7.6
0.12
3
0.020
0.51
Sn/CuFe
2
16R135B
0.35
8.9
0.53
13.5
0.20
5.1
0.30
7.6
0.12
3
0.020
0.51
Sn/CuFe
2
16R160B
0.35
8.9
0.60
15.2
0.20
5.1
0.30
7.6
0.12
3
0.020
0.51
Sn/CuFe
2
16R185B
0.40
10.2
0.62
15.7
0.20
5.1
0.30
7.6
0.12
3
0.020
0.51
Sn/CuFe
2
16R250B
0.45
11.4
0.72
18.3
0.20
5.1
0.30
7.6
0.12
3
0.020
0.51
Sn/CuFe
2
Dimensions (mm)
Figure 2
MARKING
A
E
B
C
D
16
135B
XXXX
Voltage Rating
Current Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
Single Sided Marking
1.35A to 2.50A
Double Sided Marking
0.90A to 1.10A
Top Side
Bottom Side
16
110U
Voltage Rating
Current Rating
Littelfuse
Trademark
16
XXXX
Voltage Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
Figure 1
Figure 2
A
C
B
D
MARKING
06
075B
06
XXXX
Double Sided Marking
0.75A to 1.55A
Top Side
Bottom Side
Voltage Rating
Current Rating
Littelfuse
Trademark
Voltage Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
Figure 1
MARKING
A
E
B
C
D
16
135B
XXXX
Voltage Rating
Current Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
Single Sided Marking
1.35A to 2.50A
Double Sided Marking
0.90A to 1.10A
Top Side
Bottom Side
16
110U
Voltage Rating
Current Rating
Littelfuse
Trademark
16
XXXX
Voltage Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
Figure 1
Figure 2
A
C
B
D
MARKING
06
075B
06
XXXX
Double Sided Marking
0.75A to 1.55A
Top Side
Bottom Side
Voltage Rating
Current Rating
Littelfuse
Trademark
Voltage Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
MARKING
A
E
B
C
D
16
135B
XXXX
Voltage Rating
Current Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
Single Sided Marking
1.35A to 2.50A
Double Sided Marking
0.90A to 1.10A
Top Side
Bottom Side
16
110U
Voltage Rating
Current Rating
Littelfuse
Trademark
16
XXXX
Voltage Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
Figure 1
Figure 2
A
C
B
D
MARKING
06
075B
06
XXXX
Double Sided Marking
0.75A to 1.55A
Top Side
Bottom Side
Voltage Rating
Current Rating
Littelfuse
Trademark
Voltage Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
Part Marking System
MARKING
A
E
B
C
D
16
135B
XXXX
Voltage Rating
Current Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
Single Sided Marking
1.35A to 2.50A
Double Sided Marking
0.90A to 1.10A
Top Side
Bottom Side
16
110U
Voltage Rating
Current Rating
Littelfuse
Trademark
16
XXXX
Voltage Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
Figure 1
Figure 2
A
C
B
D
MARKING
06
075B
06
XXXX
Double Sided Marking
0.75A to 1.55A
Top Side
Bottom Side
Voltage Rating
Current Rating
Littelfuse
Trademark
Voltage Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
MARKING
A
E
B
C
D
16
135B
XXXX
Voltage Rating
Current Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
Single Sided Marking
1.35A to 2.50A
Double Sided Marking
0.90A to 1.10A
Top Side
Bottom Side
16
110U
Voltage Rating
Current Rating
Littelfuse
Trademark
16
XXXX
Voltage Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
Figure 1
Figure 2
A
C
B
D
MARKING
06
075B
06
XXXX
Double Sided Marking
0.75A to 1.55A
Top Side
Bottom Side
Voltage Rating
Current Rating
Littelfuse
Trademark
Voltage Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
MARKING
A
E
B
C
D
16
135B
XXXX
Voltage Rating
Current Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
Single Sided Marking
1.35A to 2.50A
Double Sided Marking
0.90A to 1.10A
Top Side
Bottom Side
16
110U
Voltage Rating
Current Rating
Littelfuse
Trademark
16
XXXX
Voltage Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
Figure 1
Figure 2
A
C
B
D
MARKING
06
075B
06
XXXX
Double Sided Marking
0.75A to 1.55A
Top Side
Bottom Side
Voltage Rating
Current Rating
Littelfuse
Trademark
Voltage Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
MARKING
A
E
B
C
D
16
135B
XXXX
Voltage Rating
Current Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
Single Sided Marking
1.35A to 2.50A
Double Sided Marking
0.90A to 1.10A
Top Side
Bottom Side
16
110U
Voltage Rating
Current Rating
Littelfuse
Trademark
16
XXXX
Voltage Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
Figure 1
Figure 2
A
C
B
D
MARKING
06
075B
06
XXXX
Double Sided Marking
0.75A to 1.55A
Top Side
Bottom Side
Voltage Rating
Current Rating
Littelfuse
Trademark
Voltage Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
MARKING
A
E
B
C
D
16
135B
XXXX
Voltage Rating
Current Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
Single Sided Marking
1.35A to 2.50A
Double Sided Marking
0.90A to 1.10A
Top Side
Bottom Side
16
110U
Voltage Rating
Current Rating
Littelfuse
Trademark
16
XXXX
Voltage Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
Figure 1
Figure 2
A
C
B
D
MARKING
06
075B
06
XXXX
Double Sided Marking
0.75A to 1.55A
Bottom Side
Voltage Rating
Current Rating
Littelfuse
Trademark
Voltage Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
USBR Series
Specifications are subject to change without notice.