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CSTN
THIN FILM CURRENT SENSING CHIP RESISTOR

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Features
Thin film process
High power rating up to 3 watts in 2512 size
Tight tolerance down to 0.5%
Extremely low TCR down to 50 PPM/C
Resistance values from 50m to 1ohm
High purity alumina substrate for high power dissipation

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

GENERAL SPECIFICATIONS

Model

Power Rating

Operating Temp.
Range

Resistance Range[m目]

TCR[PPM/C]

▽0.5%

▽1%

CSTN02(0402)

1/16W

-55 - +155C

500 - 1000

▽100
▽50

CSTN03(0603)

1/10W

200 - 300
301 - 1000

▽100
▽50

CSTN05(0805)

1/8W

200 - 300
301 - 1000

▽100
▽50

CSTN06(1206)

1/4W

-

50 - 100

▽200
▽100
▽50

101 - 300
301 - 1000

CSTN10(2010)

3/4W

50 - 100
101 - 300
301 - 1000

▽200
▽100
▽50

CSTN12(2512)

1W

50 - 100
101 - 300
301 - 1000

▽200
▽100
▽50

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

Temp. Coefficient
of Resistance

As Spec

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

Short Time
Overload

▽1%

RCWV*2.5 or Max. Overloading Voltage, 5sec.

Insulation
Resistance

>1000M目

Apply 100VDC for 1minute

Endurance

▽1%

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

Damp Heat
with Load

▽0.5%

40▽2C 90-95% R.H. Max. working voltage for
1000hrs with 1.5hrs ※ON§ and 0.5hrs ※OFF§

Bending
Strength

As Spec

Bending amplitude 3mm for 10sec.

Soldering
Ability

95%min coverage

245C▽5C, 2▽0.5sec

Resistance to
Soldering Heat

▽0.5%

260▽5C, 10▽1sec

Dielectric
Withstand Voltage

By Type

Apply  Max. Overload Voltage for 1minute

Thermal
Shock

▽0.5%

-55C - 150C, 100 cycles

Low Temperature
Operation

▽0.5%

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

CONSTRUCTION

1 Alumina Substrate
2 Bottom Electrode(Ag-Pb)
3 Top Electrode(Ag)
4 Edge Electrode(NiCr)
5 Barrier Layer(Ni)
6 External Electrode(Sn)
7 Resistor Layer(NiCr)
8 Overcoat(Epoxy)
9 Marking

DIMENSIONS

Model

Size(Inches)

L

W

T

D1

D2

Weight(g)
(1000pcs)

CSTN02

0402

1.00▽0.05

0.50▽0.05

0.32▽0.10

0.25▽0.10

0.20▽0.10

0.56

CSTN03

0603

1.60▽0.10

0.80▽0.10

0.45▽0.10

0.30▽0.20

0.30▽0.20

3.1

CSTN05

0805

2.00▽0.15

1.25▽0.15

0.55▽0.10

0.30▽0.20

0.40▽0.25

5.6

CSTN06

1206

3.05▽0.15

1.55▽0.15

0.55▽0.10

0.50▽0.30

0.40▽0.25

12.3

CSTN10

2010

5.00▽0.20

2.45▽0.15

0.60▽0.15

0.60▽0.30

0.50▽0.25

26.7

CSTN12

2512

6.35▽0.20

3.15▽0.15

0.60▽0.10

0.60▽0.30

0.55▽0.25

49.6

REEL SPECIFICATIONS

Model

Dimensions [mm]

Paper
Tape
[pcs]

Emboss
PlasticTape[pcs]

白A

白B

白C

W

T

CSTN02

178▽1.0

60▽1.0

13.5▽0.7

9.5▽1.0

11.5▽1.0

10,000

-

CSTN03

178▽1.0

60▽1.0

13.5▽0.7

9.5▽1.0

11.5▽1.0

5,000

-

CSTN05

178▽1.0

60▽1.0

13.5▽0.7

9.5▽1.0

11.5▽1.0

5,000

-

CSTN06

178▽1.0

60▽1.0

13.5▽0.7

9.5▽1.0

11.5▽1.0

5,000

-

CSTN10

178▽1.0

60▽1.0

13.5▽0.7

9.5▽1.0

15.5▽1.0

-

4,000

CSTN12

178▽1.0

60▽1.0

13.5▽0.7

9.5▽1.0

15.5▽1.0

-

4,000

PAPER TAPE SPECIFICATIONS

Model

Dimensions[mm]

A

B

W

E

F

P0

P1

P2

白D0

T

CSTN02

0.70▽.05

1.16▽.05

8.00
▽.10

1.75
▽.05

3.5
▽.05

4.00
▽.10

2.00▽.05

2.00
▽.05

1.55
▽.05

0.40▽.03

CSTN03

1.10▽.05

1.90▽.05

4.00▽.05

0.60▽.03

CSTN05

1.60▽.05

2.37▽.05

4.00▽.05

0.75▽.05

CSTN06

2.00▽.05

3.55▽.05

4.00▽.05

0.75▽.05

EMBOSSED TAPE SPECIFICATIONS

Model

Dimensions[mm]

A

B

W

E

F

P0

P1

P2

白D0

T

CSTN10

2.85▽.10

5.45▽.10

12.0▽.10

1.75▽.10

5.5▽.05

4.00▽.05

4.00▽.10

2.00▽.05

1.50▽.10

1.00▽.20

CSTN12

3.40▽.10

6.65▽.10

12.0▽.10

1.75▽.10

5.5▽.05

4.00▽.05

4.00▽.10

2.00▽.05

1.50▽.10

1.00▽.20

DERATING CURVE

ORDERING PROCEDURE EXAMPLE

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

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