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16R400GU Datasheet, PDF (6/6 Pages) Littelfuse – POLYFUSE® Resettable PTCs
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)
Carrier tape width
W
W
18
-0.5 /+1.0
Hold down tape width:
Top distance between tape edges
Sprocket hole position
Sprocket hole diameter*
Abscissa to plane(straight lead)
W
W
11
min.
4
0
W6
W2
3
max.
W
W
9
-0.5 /+0.75
5
1
D
D
4
-0.32 /+0.2
0
0
H
H
18.5
-/+ 3.0
Abscissa to plane(kinked lead)
Abscissa to top
H
H
16
-/+ 0.5
0
0
45.0
max.
Overall width w/o lead protrusion
56
max.
Overall width w/ lead protrusion
57
max.
Lead protrusion
Protrusion of cut out
L
l
1.0
max.
1
1
L
L
11
max.
Protrusion beyond hold-down tape
Sprocket hole pitch
Device pitch:
l2
l2
Not specified
P0
P0
25.4
-/+ 0.5
25.4
Pitch tolerance
20
consecutive.
-/+ 1
Tape thickness
t
t
0.9
max.
Tape thickness with splice
t1
Splice sprocket hole alignment
2.0
max.
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
Ordinate to adjacent component lead*
P
3.81
-/+ 0.7
1
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 specification
Tape and Ammo Diagram
Δh
Δh
Figure 1
Δh
Δp
H1
A1
L
I2
L1
P0
16R Series
Reference plane
F
A
B
H0
W4
W5
W
H1 C1
H C2
D0
Direction of unreeling
Cross section A - B
t
74
Revised: July 12, 2010
© 2010 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/16R.html for current information.