QUICK REFERENCE DATA
Item
Series No.
General Specification
WF12K
WF08K
WF06K
WF04K
Size code
1206 ( 3216 )
0805 ( 2012 )
0603 ( 1608 )
0402 ( 1005 )
Resistance Tolerance
Resistance Range
1.0%, 0.5%, 0.25%, 0.1%
10 ~ 1M
100 ~ 1M
( E24 +E96 )
( E24 +E96 )
TCR (ppm/C)
50 ppm/C
1/4W
200V
400V
1/8W
150V
300V
1/10W
50V
1/16W
50V
Max. dissipation at Tamb=70C
Max. Operation Voltage (DC or RMS)
Max. Overload Voltage (DC or RMS)
100V
100V
Operation temperature
Note :
- 55 ~ +155’C
1.
This is the maximum voltage that may be continuously supplied to the resistor element, see “IEC publication
60115-8”
2.
Max. Operation Voltage : So called RCWV (Rated Continuous Working Voltage) is determined by
RCWV RatedPowerResistance Valueor Max. RCWV listed above, whichever is lower.
DIMENSIONS(unit : mm)
WF12K
WF08K
WF06K
WF04K
Type
3.10 0.10
1.60 0.10
0.50 0.20
0.45 0.20
0.60 0.15
2.00 0.10
1.25 0.10
0.40 0.20
0.40 0.20
0.50 0.15
1.60 0.10
0.80 0.10
0.30 0.10
0.30 0.15
0.45 0.10
1.00 0.05
0.50 0.05
0.20 0.10
0.25 0.10
0.35 0.05
L
W
A
B
t
Protective coat
t
End termination
B
Resistive layer
A
Ceramic Substrate
1001
T
W
L
Page 3 of 8
WFxxK_V02
Feb-2013