Approval Sheet
QUICK REFERENCE DATA
Item
General Specification
Series No.
WF25
T&U_Q
2512
WF20
T&U_Q
2010
WF10
WF12
T&U_Q
1206
WF08
WF06
WF04
T&U_Q
0402
T&U_Q
1210
T&U_Q
0805
T&U_Q
0603
Size Code
(6432)
(5025)
(3225)
(3216)
(2012)
(1608)
(1005)
Resistance Tolerance
Resistance Range
±1.0%, ±0.5%, ±0.25%, ±0.1%, ±0.05%, ±0.02%.
10Ω ~
1.5MΩ
10Ω ~
1.5MΩ
10Ω ~
1MΩ
4.7Ω ~
1MΩ
4.7Ω ~
1MΩ
4.7Ω ~
330KΩ
10Ω ~
100KΩ
TCR
±50 / 25 ppm/°C
Max. Dissipation at
3/4W
1/2W
1/4W
1/8W
1/10W
1/16W
1/16W
Tamb=70°C
Max. Operation Voltage
200V
400V
200V
400V
200V
400V
200V
100V
200V
50V
50V
Max. Overload Voltage
Operating Temperature
400V
100V
100V
- 55~ +155’C
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)
WF25_Q
WF20_Q
WF10_Q
WF12_Q
WF08_Q
WF06_Q
WF04_Q
Type
6.35 ± 0.10 5.00 ± 0.10 3.10 ± 0.10 3.05 ± 0.15 2.00 ± 0.10 1.55 ± 0.10 1.00 ± 0.10
3.20 ± 0.15 2.50 ± 0.15 2.60 ± 0.15 1.55 ± 0.15 1.25 ± 0.10 0.80 ± 0.10 0.50 ± 0.05
0.60 ± 0.20 0.60 ± 0.20 0.50 ± 0.20 0.40 ± 0.20 0.25 ± 0.20 0.25 ± 0.15 0.30 ± 0.15
0.90 ± 0.25 0.60 ± 0.25 0.50 ± 0.20 0.40 ± 0.20 0.40 ± 0.20 0.30 ± 0.15 0.30 ± 0.15
0.55 ± 0.10 0.55 ± 0.10 0.55 ± 0.10 0.55 ± 0.15 0.50 ± 0.15 0.45 ± 0.15 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 10
ASC_WFxxT&U_Q
Mar - 2018