Approval Sheet

Page 3 of 11

ASC_WFxxS V01

Aug - 2018

Item

General Specification

Series No.

WF12 Q/R_S

WF08 Q/R_S

WF06 Q/R_S

WF04 T/U_S

Size Code

1206

( 3216 )

0805

( 2012 )

0603

( 1608 )

0402

(1005)

Resistance Tolerance

1.0%, 0.5%, 0.25%, 0.1%

Resistance Range

1

 ~ 30

1

 ~ 20

1

 ~ 20

1

 ~ 20

TCR (ppm/

C)

50 ppm/C/ 25 ppm/C

25 ppm/C : 4.7~20

50 ppm/C : 1 ~ 20

25 ppm/C : 4.7~20

50 ppm/C : 1 ~ 20

Max. Dissipation at

1/4W

1/8W

1/10W

1/16W

Max. Operating

Voltage

200V

150V

75V

25V

Max. Overload

Voltage

400V

300V

150V

50V

Operating

Temperature

QUICK REFERENCE DATA

Note :

1.

This is the maximum voltage that may be conti

nuously 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

Pow er

Rated

RCWV





or Max. RCWV listed above, whichever is lower.

3.

1

 ~ 20 for 0603/0402 : TCR 25 ppm/ is upon requested.

DIMENSIONS :(unit:mm)

Type

WF12Q/R_S

WF08Q/R_S

WF06Q/R_S

WF04T/U_S

L

3.05

 0.15

2.00

 0.10

1.55

 0.10

1.00

 0.10

W

1.55

 0.15

1.25

 0.10

0.80

 0.10

0.50

 0.05

A

0.40

 0.20

0.25

 0.20

0.25

 0.15

0.30

 0.15

B

0.40

 0.20

0.40

 0.20

0.30

 0.15

0.30

 0.15

t

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