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CS CURRENT SENSING
RESISTORS

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INTRODUCTION

- 3 Watts power rating in 1 Watt size, 1225 package
- Low TCR of 100 PPM/C
- Resistance values from 1m to 1 ohm
- High purity alumina substrate for high power dissipation
- Long side terminations with higher power rating

APPLICATIONS

- Power Management Applications, Switching Power Supply
- Over Current Protection in Audio Application
- Voltage Regulation Module (VRM)
- DC-DC Converter, Battery Pack, Charger, Adaptor
- Automotive Engine Control
- Disk Driver, Portable Devices (PDA, Cell Phone)

GENERAL SPECIFICATIONS

Model

Power Rating
at 70C

Operating
Temp. Range

TCR
(PPM/
C)

Resistance Range[m目]

▽1%

▽2%

▽5%

CS01 (0201)

1/20W

-55C - +155C

▽1000
▽600
▽300

100 – 149
150 – 500
501 – 100

CS02 (0402)

1/16W

▽400
▽300
▽200

50 – 100
101 – 500
501 – 1000

CS03 (0603)

1/10W

▽600
▽400
▽300
▽200

20 – 50
51 – 100
101 – 500
501 – 1000

CS05 (0805)

1/8W

▽600
▽400
▽300
▽200

20 – 50
51 – 100
101 – 500
501 – 1000

CS06 (1206)

1/4W

▽600
▽400
▽300
▽200

10 – 20
21 – 50
51 – 500
501 – 1000

CS13 (1210)

1/2W

CS10 (2010)

3/4W

CS12 (2512)

1W

CS25 (1225)

3W

▽300
▽200
▽150
▽100
▽200

3 – 5
6 – 20
21 – 30
31 – 250
251 – 8000

CS37 (3720)

1W

▽300
▽150

10 – 19
20 – 500

CS75 (7520)

2W

▽300

1 – 4

▽200
▽150

5 – 10
11 - 350


CHARACTERISTICS                                                  Values in [ ] mean change in ohmic value after test

TCR
[ppm/C]

As Spec.

+25/-55/+24/+125/+25C

Short Time
Overload

▽[0.5]▽[1%]

RCWV*2.5 or Max. overload voltage for 5 sec.

Insulation
Resistance

>1000M

Apply 100Vdc for 1 minute

Endurance
[1%]

▽[1%]

70▽2C,Max. working voltage for 1000 hourswith 1.5 hours §ON§ and 0.5 hours ※OFF§

Damp Heat
with Load

▽[0.5%]

402C, 90-95% R.H. Max. working voltage  for 1000 hoursWith 1.5 hours ※ON§ and 0.5 hours ※OFF§

Dry
Heat

▽[0.5%]

at +155C for 1000 hours

Bending
Strength

As Spec.

Bending amplitude 3 mm for 10 sec.

Soldering
Ability

95% min. coverage

2455C for 3 sec.

Resistance to
Soldering Heat

▽[0.5%]

2605C for 10 sec.

Dielectric Withstand
Voltage

By Type

Apply Max. Overload Voltage for 1 minute

Thermal
Shock

▽[0.5%]

-55C to +150C, 100 cycles

Low Temperature
Operation

▽[0.5%]

1 hour, -65C followed by 45 minutes of RCWV

High Power Rating Electrical Specifications

Model

Power Rating at 70C

Operating
Temp. Range

TCR
(PPM/C)

Resistance Range[m]

▽1%

▽2%

▽5%

CS03 (0603)

1/8W

-55 - +155C

400
300
200

51 – 100
101 – 500
501 - 1000

CS05 (0805)

1/4W

CS06 (1206)

1/2W

-55 - +155C

▽600
▽400
▽300
▽200

10 – 20
21 – 50
51 – 500
501 - 1000

CS13 (1210)

3/4W

CS10 (2010)

1W

CS12 (2512)

1.5W

CS12 (2512)

2W

Low TCR Electrical Specifications

Model

Power Rating at 70C

Operating
Temp. Range

TCR
(PPM/C)

Resistance Range[m]

▽1%

▽2%

▽5%

CS06 (1206)

1/4W

-55 - +155C

▽100

100 - 1000

CS13 (1210)

1/2W

CS10 (2010)

3/4W

CS12 (2512)

1W

20 – 1000

CS37 (3720)

1W

100 – 500

CS75 (7520)

2W

50 -350

Operating Voltage=(P*R) ; Overload Voltage=2.5*(P*R) ; Operating Current=(P/R)

DIMENSIONS

Alumina Substrate

Bottom Electrode (Ag)

Top Electrode (Ag-Pd)

Edge Electrode (NiCr)

Barrier Layer (Ni)

External Electrode (Sn)

Resistor Layer (Ag/Pd)

Overcoat (Epoxy)

Marking

Model

SIZE(Inch)

L

W.

T

D1

D2

Weight(g)
(1000pcs)

CS01

0201

0.580.05

0.290.05

0.230.05

0.120.05

0.150.05

0.18

CS02

0402

1.000.05

0.500.05

0.320.10

0.250.10

0.200.10

0.7

CS03

0603

1.600.10

0.800.10

0.450.10

0.300.20

0.300.20

1.99

CS05

0805

2.000.15

1.250.15

0.550.10

0.300.20

0.400.25

5.30

CS06

1206

3.050.15

1.550.15

0.550.10

0.500.30

0.400.25

8.82

CS13

1216

3.000.15

2.500.15

0.550.10

0.500.30

0.500.25

15.5

CS10

2010

5.000.20

2.450.15

0.600.15

0.600.30

0.500.25

27.03

CS12

2512

6.350.20

3.150.15

0.600.10

0.600.30

0.550.25

43.08

CS12 (2W)

2512
(10 – 99m)

6.350.20

3.150.15

0.740.10

0.600.30

0.550.25

53.08

CS12 (2W)

2512
(100 – 1000m)

6.350.20

3.150.15

0.740.10

0.600.30

2.100.10

53.08

CS25

1225

3.100.15

6.300.15

0.900.15

0.600.30

0.550.25

64.88

CS37

3720

2.000.20

3.750.20

0.600.10

0.400.20

0.400.20

19.96

CS75

7520

2.000.20

7.500.30

0.600.10

0.400.20

0.400.20

35.71

ORDERING PROCEDURE EXAMPLE

Packaging

Reel Specification & Packaging Quantity      Unit: mm

Model

A

B

C

W

T

CS01

178.01.0

60.01.0

13.51.0

9.51.0

11.51.0

CS02

CS03

CS05

CS06

CS13

CS10

13.51.0

15.51.0

CS12

CS12 (2W)

CS25

CS37

CS75

17.51.0

19.51.0

Type

A

B

W

E

F

P0

P1

P2

D0

T

CS01

0.380.05

0.680.05

8.00.2

1.750.10

3.50.05

4.00.10

2.00.05

2.00.05

1.50

+0.1/-0.0

0.450.20

CS02

0.650.10

1.150.10

0.450.10

CS03

1.100.10

1.900.10

4.00.05

0.700.10

CS05

1.600.10

2.400.20

0.850.1

CS06

1.900.10

3.500.20

CS13

2.800.10

3.500.20

Type

A

B

W

E

F

P0

P1

P2

D0

T

CS01

0.380.05

0.680.05

8.00.2

1.750.10

3.50.05

4.00.10

2.00.05

2.00.05

1.50

+0.1/-0.0

0.450.20

CS02

0.650.10

1.150.10

0.450.10

CS03

1.100.10

1.900.10

4.00.05

0.700.10

CS05

1.600.10

2.400.20

0.850.1

CS06

1.900.10

3.500.20

CS13 2.800.10 3.500.20

Recommend Land Pattern     Unit: mm

Pad Layout (Except For CS12 : High Power Rating Series)

Type

A

B

C0.2

CS01

0.25

0.30

0.40

CS02

0.50

0.50

0.60

CS03

0.80

1.00

0.90

CS05

1.00

1.00

1.35

CS06

2.00

1.15

1.70

CS13

2.00

1.15

2.50

CS10

3.60

1.40

2.50

CS12

4.90

1.60

3.10

CS25

2.00

2.00

6.40

CS37

1.00

1.80

3.90

CS75

1.00

1.80

7.60

Pad Layout (For CS12 : High Power Rating Series)

Type

Resistance Range

A

B

C0.2

CS12

10 – 99m

4.9

1.6

3.1

CS12

100 – 1000m

1.0

3.55

3.1

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Tel:82-32-817-4325 Fax:82-32-817-4329

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