Rev. 7

 

Thin Film Current Sensing Chip

Resistor

MERITEK

CST Series

 

Feature and Applications

 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

 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 Driver

 Portable Devices (PDA, Cell Phone)

 

 

Recommend Land Pattern

CST

0603

D

X

1R00 F

Current Sensing Chip Resistors

SIZE

0402

0603

0805

1206

2010

2512

TCR (PPM/°C)

D

E

F

±50

±100

±200

Power Rating

R

T

Q

U

V

W

X

Y

3W

1W

3/4W

1/2W

1/4W

1/8W

1/10W 1/16W

Resistance Value

R010

R100

1R00

0.01Ω

0.1Ω

1Ω

Resistance Tolerance

Code

D

F

Value

±0.5%

±1%

 

 

Derating Curve 

 

 

 

 

 

 

 

 

 

 

 

Type

A

B

C

CST0402

0.50

0.50

0.60±0.2

CST0603

0.80

1.00

0.90±0.2

CST0805

1.00

1.00

1.35±0.2

CST1206

2.00

1.15

1.70±0.2

CST2010

3.60

1.40

2.50±0.2

CST2512

4.90

1.60

3.10±0.2

0

20

40

60

80

100

0

20

40

60

80

100

120

140

160

180

Ambient Temperature(℃)

B 

A 

C

Unit: mm