Revision 200905
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 KWV
Power Wirewound Resistors
ceramic case, vertical
Specifications
Power rating P
70
W 2
3
5
7 10 10
Resistance range
0R1...1K 0R1...4K7 0R1...4K7
0R1...10K 0R1...4K7 0R1...16K
E-Series
E 24
Tolerances
%
5
Temperature coefficient 10
-6
* K
-1
- 80 ... + 500 (depends on value)
max. cont. work. voltage V
RMS
P
70
· R for all styles
Insulation voltage (1min.)
V
RMS
2000
Insulation resistance
> 10
4
M
Derating linear
o
C 70 ... 275 (0W)
Climatic category
55/200/21
Temperature range
o
C - 55 ... 275
Thermal resistance
KW
-1
100 68
40 30 20 20
Failure rate
(Total,
J
o
, max., 60% conf. lev.) 10
-9
* h
-1
appr. 100, depends on value
Endurance
(P
70
, 70
o
C, 1000)
% 3,0
Damp heat, steady state
(40
o
C, 93% r.h., 56d) % 2,0
Climatic sequence
%
2,0
Terminal strength
% 2,0
Resistance to soldering heat
(260
o
C, 10s)
% 0,5
Solderability
s 2,5 Flowtime, solderglobule test, IEC 60068-2-20T
Marking
Printed in clear
KWV302-3 KWV304-3 KWV306-3 KWV308-3 KWV309-3 KWV310-3
Type
R
R
Ω
Ω
R
R
R
R
R
R
R
R