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  Fenghua Advanced Technology (holding) Co., Ltd 

                                                                                                                                                                                                         

- 1 -

 

LOW-OHMIC THICK FILM CHIP FIXED RESISTOR 

 

Features 

Resistance Values from 0.5 to 1000m ohms

 

Lowest TCR is 

±

50

 PPM/

 

Suit for re-flow and wave flow soldering

 

Stable electrical capability, high reliability 

 

Low assembly cost, suit for automatic SMT

 

equipment

 

 

Superior mechanical and frequency

 

characteristics 

Compliant with RoHS Directive

 

 

 

Applications

 

   Switching Power Supply

Over Current Protection in Audio Application

Voltage Regulation Module(VRM)

DC-DC Converter

Charger

Automotive Engine Control

Portable Devices etc. 

 

 

Type Designation 

 

  R

   

 

C   0 

 3 

  M

  R

  0  4

7

 F 

 

T

 
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Product Code 

Thick film chip fixed 

resistor 

Resistance 
Temperature 
Coefficient Code

 

Code

T.C.R 

±

50 

  

±

600PPM/

 

Type Code 

Code Type 

02 0402 

03 0603 

05 0805 

06 1206 

1210 1210 

1812 1812 

10 2010 

12 2512 

1225 1225 

3720 3720 

7520 7520 

Resistance Value Code

 

The precision of resistance 
above m

Ω

:decimal point 

should be expressed by 

R

Ω

 as the unit. 

The precision of resistance 
below m

Ω

:Decimal point 

should be expressed by 

M

m

Ω

 as the unit.

 

Example

 

R220=0.22

Ω

(220m

Ω

R047=0.047

Ω

(47m

Ω

R005=0.001

Ω

(1m

Ω

M500=0.50m

Ω

 

2M50=2.50m

Ω

 

 

Resistance 

Tolerance

 Code 

Code 

Tolerance

±

1%

 

±

2%

 

±

3% 

±

5%

 

±

10%

 

Packing Style Code

Code

Packing Style

Tape & Reel

Bulk Case

 

Case

 

 

Power Rating

 Series Code 

Code 

Power rating

 series 

Normal Power Series

Upgraded Power 

Series

 

 

 

 

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  Fenghua Advanced Technology (holding) Co., Ltd 

                                                                                                                                                                                                         

- 2 -

 

 

 

Construction and dimension

 

 

 

 

 

 

 

 

 

 

 

Fig1: Part Figure for Construction 1 

 

 

 

 

 

 

 

 

 

 

 

Fig2:

Part Figure for Construction 2

 

 

 

 

 

 

 

 

 

 

 

Fig3:

 Part Figure for Construction 3 

 

 

 

 

:Ω

Decimal point should be expressed by “R”

 

 

 

 

 

Fig4:

 Dimension Figure for Construction 1       

  Fig5:

 Dimension Figure for Construction 2

3

 

 

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  Fenghua Advanced Technology (holding) Co., Ltd 

                                                                                                                                                                                                         

- 3 -

 

 

1

Dimensions for 

Construction

 1   

                                                                                                                                                       

Type 

L

mm

 

W(mm) 

t

mm

 

a

mm

 

b

mm

 

0402 1.00

±

0.10 0.50

±

0.10 0.30

±

0.10 0.20

±

0.10 0.25

±

0.10 

0603 1.60

±

0.15 0.80

±

0.15 0.40

±

0.10 0.30

±

0.20 0.30

±

0.20 

0805 2.00

±

0.20 1.25

±

0.15 0.50

±

0.10 0.40

±

0.20 0.40

±

0.20 

1206 3.20

±

0.20 1.60

±

0.15 0.55

±

0.10 0.50

±

0.20 0.50

±

0.20 

1210 3.20

±

0.20 2.50

±

0.20 0.55

±

0.10 0.50

±

0.20 0.50

±

0.20 

1812 4.50

±

0.20 3.20

±

0.20 0.55

±

0.10 0.50

±

0.20 0.50

±

0.20 

2010 5.00

±

0.20 2.50

±

0.20 0.55

±

0.10 0.60

±

0.20 0.60

±

0.20 

2512 6.40

±

0.20 3.20

±

0.20 0.55

±

0.10 0.60

±

0.20 0.60

±

0.20 

1225 3.10

±

0.15 6.30

±

0.15 0.90

±

0.15 0.60

±

0.30 0.55

±

0.25 

3720 2.00

±

0.20 3.75

±

0.20 0.60

±

0.10 0.40

±

0.20 0.40

±

0.20 

7520 2.00

±

0.20 7.50

±

0.30 0.60

±

0.10 0.40

±

0.20 0.40

±

0.20 

 

2

Dimensions for 

Construction

 2 

 

Type 

Resistance(m

Ω)

L

mm

 

W(mm)

 

T

mm

 

D

mm

 

RC12

M50

 0.50 

6.35

±

0.25

3.18

±

0.25

1.40

±

0.20 1.30

±

0.30

RC12

M75

 0.75 

6.35

±

0.25

3.18

±

0.25

1.00

±

0.20 1.30

±

0.30

RC12

R001

 1.00 6.35

±

0.25

3.18

±

0.25

0.80

±

0.20 1.30

±

0.30

RC12

1M50

 1.50 6.35

±

0.25

3.18

±

0.25

0.65

±

0.20 1.30

±

0.30

RC12

R002

 2.00 6.35

±

0.25

3.18

±

0.25

0.50

±

0.20 1.30

±

0.30

RC12

2M50

 2.50 6.35

±

0.25

3.18

±

0.25

1.00

±

0.20 1.30

±

0.30

RC12

R003

 3.00 6.35

±

0.25

3.18

±

0.25

0.70

±

0.20 1.30

±

0.30

RC12

3M50

 3.50 6.35

±

0.25

3.18

±

0.25

0.71

±

0.20 1.30

±

0.30

RC12

R004

 4.00 6.35

±

0.25

3.18

±

0.25

0.60

±

0.20 1.30

±

0.30

RC12

4M50

 4.50 6.35

±

0.25

3.18

±

0.25

0.58

±

0.20 1.30

±

0.30

RC12

R005

 5.00 6.35

±

0.25

3.18

±

0.25

0.50

±

0.20 1.30

±

0.30

RC12

5M50

 5.50 

6.35

±

0.25

3.18

±

0.25

0.47

±

0.20 1.30

±

0.30

RC12

R006

 6.00 6.35

±

0.25

3.18

±

0.25

0.50

±

0.20 1.30

±

0.30

RC12

6M50

 6.50 6.35

±

0.25

3.18

±

0.25

0.47

±

0.20 1.30

±

0.30

RC12

R007

 7.00 6.35

±

0.25

3.18

±

0.25

0.45

±

0.20 1.30

±

0.30

RC12

R010

 10.0 6.50

±

0.25

3.20

±

0.25

0.80

±

0.20 1.90

±

0.30

 

3

Dimensions for 

Construction

 3 

Type 

Resistance(m

Ω)

L

mm

 

W(mm)

 

T

mm

 

D

mm

 

RC12

□□□□□□

 11

20 6.35

±

0.25

3.18

±

0.35

0.60

±

0.20 1.93

±

0.75

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  Fenghua Advanced Technology (holding) Co., Ltd 

                                                                                                                                                                                                         

- 4 -

 

 

Derating Curve

 

                      -55

                             70

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

   

 

 

      100 
         
              75   
     
              50   
 
              25 

 

 

 

 

 

 

 

 

 

 

 

 

Operating 
Temperature 
Range

 

-55

℃~

125

 

-55

℃~

170

 

 

               -75     -50     -25      0      25     50    75 80   100     125   155     180 

 

Pe

rc

en

t ra

te

d loa

d

 

Ambient temperature

 (

 

For resistors operated in ambient over 70

/80

,rated    load (power rating) shall be derated in accordance with 

the above figure.

 

Curve 

 is suitable for the product of 

Construction 1

 

Curve 

 is suitable for the product of 

Construction 2

3

 

 

Ratings

 

Power Rating 

          Item 

Type 

Normal Power 

Series 

Upgraded 

Power Series 

Resistance 

Tolerance 

Resistance

(m

Ω

TCR 

(PPM/

)

Operating 

Temperature Rang 

Remark 

50~100 

±

400

 

101~500

±

300 

0402 

1/16W 

 

±

1%,

±

2%,

±

5%

501~976

±

200 

20~50 

±

600

 

51~100 

±

400 

101~500

±

300 

0603 

1/16W 1/10W

 

±

1%,

±

2%,

±

5%

501~976

±

200 

20~50 

±

600

 

51~100 

±

400 

101~500

±

300 

0805 

1/10W 1/8W

 

±

1%,

±

2%,

±

5%

501~976

±

200 

10~20

 

±

600

 

1206 

1/8W 1/4W

 

21~50 

±

400 

51~500

 

±

300

 

2010 

1/2W 

 

2512 

1W 

 

±

1%,

±

2%,

±

5%

501~976

±

200 

±

5% 

3~5 

±

600

 

±

2%, 

6~9 

±

600 

10~49 

±

600 

1225 

 

3W 

±

1%,

±

2%,

±

5%

50~200 

±

200 

3720 

 

1W 

±

1%,

±

2%,

±

5%

10

~500 

±

300

 

7520 

 

2W 

±

1%,

±

2%,

±

5%

1~500

 

±

300

 

-55

~+125

 

product 

characteristics  

are refer to 

Characteristics 1

 

Note

Rating

 Voltage V=

Power Rating

×

Resistance Value

 

Rating

 Current I=

Power Rating

/Resistance Value 

 

 

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  Fenghua Advanced Technology (holding) Co., Ltd 

                                                                                                                                                                                                         

- 5 -

 

 

Low TCR Series Ratings

 

              Item 

Type 

Power Rating 

at 80

 

Resistance 

Tolerance 

Resistance

(m

Ω

TCR 

(PPM/

)

Operating 

Temperature 

Rang 

remark 

RS06K

□□□□

 

1/4W 100~1000

±

100

 

RS10K

□□□□

 

1/2W 100~1000

±

100

 

±

1%,

±

2%,

±

5%

100~1000

±

100

 

-55

~+125

 

product 

characteristics  

are refer to 

Characteristics 1

0.5~2.0 50 

2.5~3.0 150 

4.0~5.5 100 

6.0~7.0 75 

10 100 

RC12K

□□□□

 

1W 

±

1%,

±

3%,

±

5%

11~20 50 

-55

~+170

 

product 

characteristics  

are refer to 

Characteristics 2

 

Note

Rating

 Voltage V=

Power Rating

×

Resistance Value

 

Rating

 Current I=

Power Rating

/Resistance Value

 

 

 

Characteristics 1 

 

Item 

Specifications 

Test Methods    (JIS C 5202) 

Bending Strength

 

No mechanical damage 

R

≤±(

1.0%R+0.005

Ω)

Duration:10s

±

1s

  

Bending Distance: 
0402

0603

0805

1206

1210

1225

3mm

1812

2010

2512

3720

2520

1mm

 

T.C.R

 within 

specified 

T.C.R 

Measure between 

-55

~+125

 

Temperature Cycling

 

No mechanical damage 

R

≤±(

1.0%R+0.005

Ω)

-55

℃(

30min

~normal temperature

5min

~125

℃(

30min

  5 cycles

 

Short Time Overload 

No mechanical damage 

R

≤±(

2.0%R+0.005

Ω)

2.5

×

Rated Current for 

5 seconds 

Steady state humidity   

No mechanical damage 

R

≤±(

3.0%R+0.005

Ω)

40

℃±

2

  90

~95%RH  1000h 

Load Life

 

o mechanical damage 

R

≤±(

3.0%R+0.005

Ω)

70

℃±

2

℃,

1000h

Rated voltage

 1.5h on/0.5h 

off 

Endurance at upper 

temperature 

No mechanical damage 

R

≤±(

3.0%R+0.005

Ω)

125

℃±

2

 

 1000h  

 

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  Fenghua Advanced Technology (holding) Co., Ltd 

                                                                                                                                                                                                         

- 6 -

 

Continue to the former list

 

Resistance to Solvent

No mechanical damage 

R

≤±(

1.0%R+0.005

Ω)

Dip in chloroethylene for 10h

±

1h

.

 

Insulation Resistance

1000M

Ω

  Min

 

Apply DC 100V between substrate and 
termination  for 1 minute, then check 
insulation resistance .

 

Resistance to 

Soldering Heat

 

No mechanical damage 

R

≤±(

1.0%R+0.005

Ω)

270

℃±

5

  10s

±

1s

   

Solder-ability

 

95% Cover Min

 240

℃±

5

  2s

±

0.5s

 

Adhesion 

No mechanical damage 

Applying 5N  10s

±

1s

 

 

Characteristics 2

 

Item 

Specifications

Low TCR

Test Methods   

T.C.R

 within 

specified 

T.C.R  -55

~+125

℃(

MLT-STD-202F-Method

 

Thermal Shock

 

No mechanical damage 

R

≤±(

1.0%R+0.5m

Ω)

 

-55

~150

  100cycles 

Short Time 

Overload 

No mechanical damage 

R

≤±(

1.0%R+0.5m

Ω)

2.5

×

Rated Current or Max Overload Current

whichever is lower

for 

5 seconds

JIS C 5202

Resistance to 

Soldering Heat

 

No mechanical damage 

R

≤±(

1.0%R+0.5m

Ω)

 

260

℃±

5

  10s

±

1s

MLT-STD-202F-Method

 

Load Life

 

No mechanical damage 

R

≤±(

1.0%R+0.5m

Ω)

 

70

℃±

2

  

1000h  

Rated voltage

  1.5h on/0.5h off

MLT-STD-202F-Method

 

Solder-ability

 

95% Cover Min

 235

℃±

5

  2s

±

0.5s

MLT-STD-202F-Method

 

Resistance to Dry 

Heat 

No mechanical damage 

R

≤±(

1.0%R+0.5m

Ω)

 

+155

℃,

96h

JIS C 5202

 

 

 

 

 

 

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  Fenghua Advanced Technology (holding) Co., Ltd 

                                                                                                                                                                                                         

- 7 -

 

Packaging 

  Tape and reel 

* Paper taping

 

0402

 

 

 

 

 

 

 

 

0603

0805

1206

1210

 

 

 

 

 

 

 

 

 

 

unit: mm

 

Type 

0402 1.20

±

0.1 0.70

±

0.1

8.0

±

0.20

3.5

±

0.05 1.75

±

0.1 

0603 1.85

±

0.1 1.10

±

0.1

8.0

±

0.20

3.5

±

0.05 1.75

±

0.1 

0805 2.35

±

0.1 1.65

±

0.1

8.0

±

0.20

3.5

±

0.05 1.75

±

0.1 

1206 3.50

±

0.2 1.90

±

0.2

8.0

±

0.20

3.5

±

0.05 1.75

±

0.1 

1210 3.50

±

0.2 2.80

±

0.2

8.0

±

0.20

3.5

±

0.05 1.75

±

0.1 

 

unit: mm

 

Type 

P0 

P1 

Ф

D0 

0402 2.0

±

0.05 4.0

±

0.1 2.0

±

0.05 1.5

±

0.1 0.6Max 

0603 4.0

±

0.1 4.0

±

0.1 2.0

±

0.05 1.5

±

0.1 0.60

±

0.1 

0805 4.0

±

0.1 4.0

±

0.1 2.0

±

0.05 1.5

±

0.1 0.75

±

0.1 

1206 4.0

±

0.1 4.0

±

0.1 2.0

±

0.05 1.5

±

0.1 0.75

±

0.1 

1210 4.0

±

0.1 4.0

±

0.1 2.0

±

0.05 1.5

±

0.1 0.75

±

0.1 

 

 

 

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  Fenghua Advanced Technology (holding) Co., Ltd 

                                                                                                                                                                                                         

- 8 -

 

 

 

Embossed taping 

1812

2010

2512

1225

3720

7520 

 

 

 

 

 

 

 

 

 

 

 
unit: mm

 

Type 

A0 

B0 

remark 

1812 

4.80

±

0.10 3.40

±

0.10 12.00

±

0.10 5.50

±

0.10 1.75

±

0.10 0.25

±

0.05 

 

2010 

5.45

±

0.10 2.77

±

0.10 12.00

±

0.10 5.50

±

0.10 1.75

±

0.10 0.24

±

0.05 

 

2512 

6.73

±

0.10 3.40

±

0.10 12.00

±

0.10 5.50

±

0.10 1.75

±

0.10 0.24

±

0.05 

Construction 1

 

0.50m

Ω

 6.70

±

0.10 3.40

±

0.10 12.00

±

0.10 5.50

±

0.10 1.75

±

0.10 

 

0.75m

Ω

 6.80

±

0.20 3.50

±

0.10 12.00

±

0.10 5.50

±

0.10 1.75

±

0.10 

 

2512 

1

20m

Ω

 6.70

±

0.10 3.40

±

0.10 12.00

±

0.10 5.50

±

0.10 1.75

±

0.10 

 

Construction 2

3

1225 

6.68

±

0.10 3.38

±

0.10 12.00

±

0.30 5.50

±

0.10 1.75

±

0.10 

 

 

3720 

4.45

±

0.20 2.50

±

0.20 12.00

±

0.30 5.50

±

0.05 1.75

±

0.01 

 

 

7520 

8.30

±

0.20 2.50

±

0.20 16.00

±

0.30 7.80

±

0.05 1.75

±

0.01 

 

 

 

 

unit: mm

 

Type 

P0 

P1 

Ф

D0 

Ф

D1 

K0 

remark 

1812 

4.00

±

0.10 4.00

±

0.10 2.00

±

0.05 1.55

±

0.10 1.50

±

0.10 1.00

±

0.10 

 

2010 

4.00

±

0.10 4.00

±

0.10 2.00

±

0.05 

1.50+0.10/-0 

1.50

±

0.10 0.84

±

0.10 

 

2512 

4.00

±

0.10 4.00

±

0.10 2.00

±

0.05 

1.50+0.10/-0 

1.50

±

0.10 0.81

±

0.10 

Construction 1

 

0.50m

Ω

 4.00

±

0.10 4.00

±

0.05 2.00

±

0.05 1.50

±

0.10 

1.40 Min 

1.40

±

0.10 

0.75m

Ω

 4.00

±

0.10 4.00

±

0.05 2.00

±

0.05 1.50

±

0.10 

1.40 Min 

1.35

±

0.10 

2512 

1

20m

Ω

 4.00

±

0.10 4.00

±

0.05 2.00

±

0.05 1.50

±

0.10 

1.40 Min 

0.80

±

0.10 

Construction 2

3

1225 

4.00

±

0.10 4.00

±

0.10 2.00

±

0.05 

1.55+0.05 1.40 

Min 1.45

±

0.20 

 

3720 

4.00

±

0.10 4.00

±

0.05 2.00

±

0.05 

1.50+0.10 1.40 

Min 1.50

±

0.10 

 

7520 

4.00

±

0.10 4.00

±

0.05 2.00

±

0.05 

1.50+0.10 1.40 

Min 1.50

±

0.10 

 

 

Low-OhmicThickFilmChipFixedResistor-html.html
background image

  Fenghua Advanced Technology (holding) Co., Ltd 

                                                                                                                                                                                                         

- 9 -

 

 

* Reel 

 

 

 

 

 

 

 

 

                           

                                               

                                                     

 

                                                            unit: mm

 

Type 

0402 

0603 

0805 

1206 

1210 

178 

±

2.0 

9.5 

±

1.0 

12.5 

±

1.5 

2.0 

±

0.5 

13.0 

±

0.5 

21.0 

±

0.5 

58.0 

±

2.0 

1812 

2010 

2512 

13.0 

±

0.5 

15.5 

±

1.5 

57.0 

±

2.0 

1225 

3720 

13.2

±

1.5 16.0

±

0.2

7520 

178 

±

2.0 

17.0

±

0.5 19.0

±

1.0

2.0 

±

0.5 

13.0 

±

0.5 

21.0 

±

0.5 

60.2 

±

0.5

 

 

 Bulk case 

       unit:mm

 

 

 

 

 

 

 

 

 

Packaging quantity 

Packaging 

style 

Tape and reel 

Bulk case

 

Bulk

 

Type 0402 

0603 
0805 
1206 
1210 

1812 
2010 
2512 

1225 
3720 
7520 

0402 0603 0805 1206

1210
2010

1812
2512

1225
3720
7520

0402 

0603 
0805 
1206 

1210
1812
2010
2512

1225
3720
7520

Quantity 

PCS

 

10000 5000  4000  2000 50000 25000 10000 5000 1500 1000 500

50000 

10000

4000

1

000