POLYFUSE® Resettable PTCs
Radial Leaded > 16R Series
Tape and Ammo Specifications
Devices taped using EIA468-B/IE286-2 standards. See table below and Figure 1 for details.
Dimensions
Dimension
EIA Mark
IEC Mark
Dim. (mm)
Tol. (mm)
-0.5 /+1.0
min.
Carrier tape width
Hold down tape width:
Top distance between tape edges
Sprocket hole position
W
W4
W6
W5
D0
H
W
W0
W2
W1
D0
H
18
11
3
max.
9
-0.5 /+0.75
-0.32 /+0.2
-/+ 3.0
-/+ 0.5
max.
Sprocket hole diameter*
Abscissa to plane(straight lead)
Abscissa to plane(kinked lead)
Abscissa to top
4
18.5
H0
H0
16
45.0
Overall width w/o lead protrusion
Overall width w/ lead protrusion
Lead protrusion
56
max.
57
1.0
max.
L1
L
l1
L
max.
Protrusion of cut out
11
max.
Protrusion beyond hold-down tape
Sprocket hole pitch
l2
l2
Not specified
25.4
P0
P0
-/+ 0.5
Device pitch:
25.4
20
Pitch tolerance
-/+ 1
consecutive.
Tape thickness
Tape thickness with splice
t
t
0.9
2.0
0
max.
max.
t1
Splice sprocket hole alignment
Body lateral deviation
-/+ 0.3
-/+ 1.0
-/+ 1.3
-/+ 0.7
-/+ 0.7
-/+ 0.8
-/+ 0.8
Δh
Δp
P1
Δh
Δp
P1
0
Body tape plane deviation
0
Ordinate to adjacent component lead*
Ordinate to adjacent component lead*
Lead spacing:16R250G-16R1100G
Lead spacing:16R1200G-16R1400G
*Differs from EIA specification
3.81
7.62
5.08
10.18
F
F
F
F
Tape and Ammo Diagram
Δh
Δh
Δh
Figure 1
Δp
Reference plane
A1
H1
C1
H C2
H1
F
H0
A
B
L
W5
W4
W
I2
P0
D0
Direction of unreeling
Cross section A - B
L1
t
74
© 2010 Littelfuse, Inc.
16R Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/16R.html for current information.
Revised: July 12, 2010