fm1-2-4k7ji IRC - a TT electronics Company., fm1-2-4k7ji Datasheet - Page 2

• Manufacturer Part Number: fm1-2-4k7ji
• Description: Fusible Metal Film Resistors
• Manufacturer: IRC - a TT electronics Company.

Fusible Metal Film
Resistors
FM Series
Figure 1
© Welwyn Components Limited
Telephone: [phone] · Facsimile: [phone] · Email: [e-mail] · Website: www.welwyn-tt.com
Performance Data
Packaging
All resistors are supplied tape packed ready for loading on
to automatic sequencing and insertion machines.
The standard taping method and critical dimensions are
shown in figure 1. Component wire will not protrude
beyond the outside edge of the tapes.
Lead Formed resistors can also be supplied. Standard
options of Lancet, Radial and Goalpost forming are shown
in Lead Form Information section.
A detailed Packaging Data Sheet is available on request.
D
Load: 1000 hours at 70˚C
Shelf life: 12 months at room temperature
Temperature rapid change
Resistance to solder heat
r e
t a
n i
g
f
o r
Body Location f
m
6
a r
e t
d
f
p
1
o
w
FM1 Fuse Times
r e
Initial Power (W)
t a
52
7
1
˚ 0
– f
C
Bedlington, Northumberland NE22 7AA, UK
2
1.4 mm
f
2
6
5
R
R
R
R
%
%
%
%
Fusing
After fusing the final resistance value will be 50 times the
initial value.
FM
FM
Initial Power (W)
Initial Power (W)
1
1
e z
/
/
4
2
Maximum
o r
Fuse Times
Fuse Times
Welwyn Components
t a
0
0
3
2
5 .
5 .
1
5
˚ 5
C
Issue B · 03.02
I02 . 08
165