Littelfuse 72R Series - Manual (Page 6)

96
Revised: July 12, 2010
POLYFUSE ® Resettable PTCs
© 2010 Littelfuse, Inc.
72R Series
Radial Leaded > 72R Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/72R.html for current information.
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 72R020X–72R090X H
1
H
1
32.2 max.
Abscissa to top 72R110X–72R300X H
1
47.5 max.
Overall width without lead protrusion:
72R020X–72R090X
C
1
42.5 max.
Overall width without lead protrusion:
72R110X–72R300X
57
Overall width with lead protrusion:
72R020X–72R090X
C
2
43.2 max.
Overall width with lead protrusion:
72R110X–72R300X
58
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 specified
Sprocket hole pitch: 72R020X–72R090X P
0
P
0
12.7 –/+ 0.3
Sprocket hole pitch: 72R110X–72R300X P
0
P
0
25.4 –/+ 0.5
Pitch tolerance
20
consecutive.
–/+ 1
Device pitch: 72R020X–72R090X 12.7
Device pitch: 72R110X–72R300X 25.4
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*:
72R020X–72R090X
P
1
P
1
3.81 –/+ 0.7
Ordinate to adjacent component lead*:
72R110X–72R300X
7.62 –/+ 0.7
Lead spacing: 72R020X–72R185X F F 5.08 –/+ 0.8
Lead spacing: 72R250X–72R300X F F 10.18 –/+ 0.8
*Differs from EIA Specification
Tape and Ammo Specifications
Devices taped using EIA468-B/IE286-2 standards. See table below and Figure 1 for details.