Features

n

Metalfoil

n

Highpowerdensity

n

Highreliabilityandstability

n

RoHScompliant*andhalogenfree**

Applications

n

Currentsensing

n

Powersupplies

n

Steppermotordrives

n

Inputamplifiers

CFN Series Metal Foil, Current Sense Resistor

Electrical Characteristics

Characteristic

CFN0805

CFN1206

Power Rating @ 70 °C

0.5 W

1 W

Resistance Value

5 mΩ, 10 mΩ, 20 mΩ

Operation Temperature Range

-55 ℃ ~ +155 ℃

Temperature Coefficient of Resistance

±100 ppm/°C

Tolerance

±1 %, ±5 %

Reliability Tests

Test Items

Condition of Test

∆R Maximum

Load Life

1000 hours at rated power, 70 ℃,

1.5 hours “ON”, 0.5 hour “OFF”

< ±1 %

Short Time Overload

5 X rated power for 5 s

< ±1 %

Moisture no Load

85 ℃, 85 %RH, 1000 hrs

< ±1 %

Temperature Cycle

-55 ℃ & +155 ℃, 100 cycle,

15 min per extreme condition

< ±1 %

Resistance to Soldering Heat

260 ±5 ℃ for 10 ±1 sec

< ±0.5 %

Solderability

245 ±5 ℃, 2 ±0.5 sec

At least 95 % of surface area of electrode shall

be covered with new solder

High Temperature Exposure

155 ℃, 1000 hrs

< ±1 %

Low Temperature Storage

-55 ℃, 1000 hrs

< ±1 %

Substrate Bending

Bending width 2 mm

< ±0.5 %

Insulation Resistance

100 V DC for 1 minute

>100 MΩ

Derating Curve

100

-55

70

155

Ambient Temperature (°C)

* RoHSDirective2002/95/ECJan.27,2003includingannexandRoHSRecast2011/65/EUJune8,2011.

**Bournsconsidersaproducttobe“halogenfree”if(a)theBromine(Br)contentis900ppmorless;(b)theChlorine(Cl)contentis900ppmorless;and(c)thetotalBromine(Br)

andChlorine(Cl)contentis1500ppmorless.

Specificationsaresubjecttochangewithoutnotice.

Usersshouldverifyactualdeviceperformanceintheirspecificapplications.

Theproductsdescribedhereinandthisdocumentaresubjecttospecificlegaldisclaimersassetforthonthelastpageofthisdocument,andatwww.bourns.com/docs/legal/disclaimer.pdf.

WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Environmental Characteristics

Storage Conditions

Temperature ....................................................................................... +5 °C ~ +35 °C

Humidity .................................................................................................40 % ~ 75 %

Shelf Life.......................................................................2 years from manufacturing date

Solder Recommendations..........................................................................Reflow profile

(Solder: Sn96.5 / Ag3 / Cu0.5)

Moisture Sensitivity Level...............................................................................................1