Revision 200807
VITROHM PORTUGUESA, Lda. - Est.Nacional 249-4, Trajouce - 2765-653 S. Domingos de Rana - PORTUGAL
Tel: + 351 214 457 700 -Fax: + 351 214 457 755 -Germany Sales Tel: + 0049 4121 870 103 - e-mail:vitrohm.support@yageo.com - www.vitrohm.com
Power rating P
25
W
2,5
3,0
4,5
3,5
5,0
7,0
11
P
70
1,2
1,5
2,5
2,0
3,0
4,0
6,0
Resistance range
Ω
see page 2
E-Series
E 24 (5%), E 12 (10%)
Tolerances
%
± 5, ± 10
Temperature coefficient
10
-6
* K
-1
- 80 ... + 500
max. cont. work. voltage
V
RMS
√
P
70
· R for all styles
Insulation voltage (1min.)
V
RMS
2000
Insulation resistance
Ω
> 10
4
M
Derating linear
o
C
see Table Temperature rise of solder joints
Climatic category
55/150/56
Temperature range
o
C
- 55 ... 150
Failure rate
(Total,
ϑ
o
, max., 60% conf. lev.)
10
-9
* h
-1
appr. 100, depends on value
Endurance
(P
70
, 70
o
C, 1000h)
%
± 3,0 average
Damp heat, steady state
(40
o
C, 93% r.h., 56d)
%
± 2,0
Climatic sequence
%
± 2,0
Terminal strength
%
± 1,0
Terminal tensile strength
N
50
Resistance to soldering heat
(260
o
C, 10s)
%
± 0,2 typ.
Solderability
s
2,5 Flowtime; solderglobule test IEC 60068-2-20-T
Marking
Printed in clear
Series KF
Power Wirewound Resistors
axial, circuit breaker, ceramic case, fibre glass core
Specifications
KF206-4
KF208-4 KF210-4 KF212-4 KF214-4 KF216-4 KF218-4
Type
[
∆
R
]
R
[
∆
R
]
R
[
∆
R
]
R
[
∆
R
]
R
[
∆
R
]
R
Revision 200807
VITROHM PORTUGUESA, Lda. - Est.Nacional 249-4, Trajouce - 2765-653 S. Domingos de Rana - PORTUGAL
Tel: + 351 214 457 700 -Fax: + 351 214 457 755 -Germany Sales Tel: + 0049 4121 870 103 - e-mail:vitrohm.support@yageo.com - www.vitrohm.com
Series KF
Dimensions in mm:
Type
Packaging
Pieces
Pack.-Code
KF206-4
bulk
100
B
KF208-4
bulk
100
B
KF210-4
bulk
100
B
KF212-4
bulk
100
B
KF214-4
bulk
100
B
KF216-4
bulk
100
B
KF218-4
bulk
100
B
Packaging:
Ordering example:
KF212-4
5
B
1K
Type
Tolerance
Pack.-Code
R-Value
Type
Resistance range
L
1
Ø
d
Min
Max
KF206-4
0R1
9K1
20
±
1,0
0,6
KF208-4
0R15
15K
25
±
1,0
0,6
KF210-4
0R33
33K
38
±
1,0
0,8
KF212-4
0R15
15K
25
±
1,0
0,6
KF214-4
0R33
33K
38
±
1,0
0,8
KF216-4
0R51
47K
50
±
1,5
0,8
KF218-4
0R91
82K
75
±
2,0
0,8
[ s ]
[ s ]
[W]
[W]
[ s ]
[ s ]
[W]
[W]
[ s ]
[ s ]
[W]
[W]
100
6
6
10
20
50
50
20
20
100
50
20
50
20
10
10
6
10
6
10
100
type 212-4
10
power rating
power rating
6
6
3
5
10
20 50
3
type 218-4
fus
ing ti
m
e
fus
ing ti
m
e
200
200
5
10
20 50
100 200
100 200
20 50
100 200
power rating
power rating
100 200
3
5
10
3
5
20 50
fus
ing ti
m
e
fus
ing ti
m
e
200
20
100
50
200
100 200
power rating
type 210-4
type 216-4
power rating
3
100 200
type 214-4
fus
ing ti
m
e
200
3
5
10
20 50
10
100
50
type 206-4 / 208-4
fus
ing ti
m
e
200
5
10
20 50
100
P
ma
x
P
ma
x
P
ma
x
P
ma
x
P
ma
x
P
ma
x
[W]
power rating
8
10
12
0
2
4
6
[K]
temperature rise
100
50
212...218
206...210