
POLY-FUSE
®
Resettable PTCs
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 10/17/13
Radial Leaded > 16R Series
16R Series
Tape and Ammo Specifications
Devices taped using EIA468-B/IE286-2 standards. See table below and Figure 1 for details.
Dimension EIA Mark
IEC Mark
Dimensions
Dim. (mm) Tol. (mm)
Carrier tape width W W 18 -0.5 /+1.0
Hold down tape width: W
4
W
0
11 min.
Top distance between tape edges W
6
W
2
3 max.
Sprocket hole position W
5
W
1
9 -0.5 /+0.75
Sprocket hole diameter* D
0
D
0
4 -0.32 /+0.2
Abscissa to plane(straight lead) H H 18.5 -/+ 3.0
Abscissa to plane(kinked lead) H
0
H
0
16 -/+ 0.5
Abscissa to top 45.0 max.
Overall width w/o lead protrusion 56 max.
Overall width w/ lead protrusion 57 max.
Lead protrusion L
1
l
1
1. 0 max.
Protrusion of cut out L L 11 max.
Protrusion beyond hold-down tape l
2
l
2
Not specied
Sprocket hole pitch P
0
P
0
25.4 -/+ 0.5
Device pitch: 25.4
Pitch tolerance 20 consecutive. -/+ 1
Tape thickness t t 0.9 max.
Tape thickness with splice t
1
2.0 max.
Splice sprocket hole alignment 0 -/+ 0.3
Body lateral deviation Δh Δh 0 -/+ 1.0
Body tape plane deviation Δp Δp 0 -/+ 1.3
Ordinate to adjacent component lead* P
1
P
1
3.81 -/+ 0.7
Ordinate to adjacent component lead* 7.62 -/+ 0.7
Lead spacing:16R250G-16R1100G F F 5.08 -/+ 0.8
Lead spacing:16R1200G-16R1400G F F 10.18 -/+ 0.8
*Differs from EIA specication
A
B
A
1
L
1
P
0
D
0
F
L
W
4
H
0
I
2
H
1
W
5
W
Reference plane
∆h
∆h
H
1
H
C
1
C
2
∆h
∆p
Direction of unreeling
Cross section A - B
t
Cross section
Optional shape: Circular or polygonal
Direction
of
unreeling
Reel
Tape
Upper side
Lower side
w
1
w
2
Tape and Ammo Diagram
Figure 1
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