Rev. 7

 

Current Sensing Chip Resistor

MERITEK

CSR Series

Environmental Characteristics

 

Item

Requirement

Test Method

Temperature Coefficient of Resistance

(T.C.R.)

As Spec.

JIS C 5201-1 4.8

IEC 60115-1 4.8

-55

C~+125C, 25C is the reference temperature

Short Time Overload

(0.5%+0.05Ω)

JIS C 5201-1 4.13

IEC 60115-1 4.13

RCWV*2.5 or Max. overload voltage for 5 seconds

(1.0%+0.05Ω)

for high power rating

Insulation Resistance

≧

10G

JIS C 5201-1 4.6

IEC 60115-1 4.6

Max. overload voltage for 1 minute

Endurance

(1.0%+0.05Ω)

JIS C 5201-1 4.25

IEC 60115-1 4.25.1

70

2C, Max. working voltage for 1000 hrs with 1.5 hrs “ON”

and 0.5 hrs “OFF”

Damp Heat with Load

(0.5%+0.05Ω)

JIS C 5201-1 4.24

40

2C, 90~95% R.H., Max. working voltage for 1000 hrs

with 1.5 hrs “ON” and 0.5 hrs “OFF”

Dry Heat

(0.5%+0.05Ω)

JIS C 5201-1 4.23.2

IEC 60115-1 2.23.2

at +155

C for 1000 hrs

Bending Strength

As Spec.

JIS C 5201‐1 4.33 

IEC 60115-1 4.33

Bending once for 5 seconds with 3mm

2010, 2512 sizes: 2 mm

Solderability

95% min. coverage

JIS C 5201-1 4.17

IEC 60115-1 4.17

245

5C for 3 seconds

Resistance to Soldering Heat

(0.5%+0.05Ω)

JIS C 5201-1 4.18

IEC 60115-1 4.18

260

5C for 10 seconds

Voltage Proof

No breakdown or flashover

JIS C 5201-1 4.7

IEC 60115-1 4.7

1.42 times RCWV (RMS) for 1 minute

Leaching

Individual leaching area ≦5%

Total leaching area ≦10%

JIS C 5201-1 4.18

IEC 60068-2-58 8.2.1

260

5C for 30 seconds

Rapid Change of Temperature

(0.5%+0.05Ω)

JIS C 5201-1 4.19

IEC 60115-1 4.19

-55

C to +155C, 5 cycles

Storage Temperature: 25±3°C; Humidity < 80%RH