Approval sheet
QUICK REFERENCE DATA
Item
Series No.
General Specification
WF12G
WF08G
0805 ( 2125 )
WF06G
WF04G
Size code
1206 ( 3216 )
0603 ( 1608 )
0402 ( 1005 )
Resistance Tolerance
±1%, ±5%
10MΩ < R ≤ 30MΩ
Resistance Range
10MΩ < R ≤ 100MΩ
( E24 series)
TCR (ppm/°C)
≤ ± 200 ppm/°C
1/8 W
≤ ± 300 ppm/°C
1/16W
1/4 W
200V
1/10 W
50V
Max. dissipation at Tamb=70°C
Max. Operation Voltage (DC or RMS)
Climatic category (IEC 60068)
150V
50V
55/155/56
Note :
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 = RatedPower ×Resistance Value or Max. RCWV listed above, whichever is lower.
DIMENSIONS(unit : mm)
WF12G
WF08G
WF06G
WF04G
series
L
3.10 ± 0.15
1.60 ± 0.15
0.50 ±0.25
0.50 ± 0.25
0.55 ± 0.10
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 ± 0.15
1.00 ± 0.05
0.50 ± 0.05
0.20 ± 0.10
0.25 ± 0.10
0.35 ± 0.05
W
Tt
Tb
T
MARKING
3-digits marking
Each resistor is marked with a three digits code on the protective coating to designate the nominal resistance
value.
Example
306 = 30 MΩ
186 = 18 MΩ
Page 3 of 7
ASC_WFxxG_V13
Feb - 2015