Approval Sheet

Page 3 of 10

ASC_WFxxC_Q

Dec - 2018

QUICK REFERENCE DATA

Item

General Specification

Series No.

WF25C_Q

WF20C_Q

WF10C_Q

WF12C_Q

WF08C_Q

WF06C_Q

WF04C_Q

Size Code

2512

(6432)

2010

(5025)

1210

(3225)

1206

(3216)

0805

(2012)

0603

(1608)

0402

(1005)

Resistance Tolerance

±1.0%, ±0.5%, ±0.25%, ±0.1%, ±0.05%, ±0.02%, ±0.01%

Resistance Range

10

Ω ~

600K

Ω

10

Ω ~

360K

Ω

10

Ω ~

150K

Ω

4.7

Ω ~

120K

Ω

4.7

Ω ~

80K

Ω

4.7

Ω ~

40K

Ω

10

Ω ~

8K

Ω

TCR

±2 ppm/°C

Max. Dissipation at

°C

1W

3/4W

2/5W

1/4W

1/8W

1/10W

1/10W

Max. Operation Voltage

200V

200V

200V

200V

150V

75V

50V

Max. Overload Voltage

400V

400V

400V

400V

300V

150V

100V

Operating Temperature

- 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

Value

Resistance

Power

Rated

RCWV

×

=

or Max. RCWV listed above, whichever is lower.

DIMENSIONS:(unit:mm)

Type

WF25C_Q

WF20C_Q

WF10C_Q

WF12C_Q

WF08C_Q

WF06C_Q

WF04C_Q

L

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

W

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

A

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

B

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

t

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

Protective coat

Resistive layer

End termination

Ceramic Substrate

t

B

A

T

W

L

1001