MF-FSML/X Series - Low Ohmic PTC Resettable Fuses

Applications

n

Thermalprotectionforwearables,Li-ion&polymerbatterypacks

n

PCmotherboards–Plug&Playprotection

n

Mobilephone,PDA/digitalcamerabattery&chargingprotection

n

HDMI1.4sourceprotection

n

Gameconsoleportprotection

Test Procedures and Requirements

Item

Test Condition

Accept/Reject Criteria

Visual/Mechanical

Verify dimensions and materials

Per MF physical description

Resistance

In still air @ 23 °C

Rmin ≤ R ≤ Rmax

Time to Trip

At specified current, Vmax, 23 °C, still air

T ≤ max. time to trip (seconds)

Hold Current

30 min. at Ihold, still air

No trip

Trip Cycle Life

Vmax, Imax, 100 cycles

No arcing or burning

Trip Endurance

Vmax, 48 hours

No arcing or burning

Solderability

245 °C ±5 °C, 5 seconds

95 % min. coverage

Product Dimensions

Model

A

B

C

D

E

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Min.

Max.

MF-FSML035/8

1.45

(0.057)

1.85

(0.073)

0.65

(0.026)

1.05

(0.041)

0.40

(0.016)

0.70

(0.028)

0.20

(0.008)

0.05

(0.002)

0.35

(0.014)

MF-FSML050/8

MF-FSML075/8

MF-FSML100/8

MF-FSML125/8

MF-FSML150/8

1.45

(0.057)

1.85

(0.073)

0.65

(0.026)

1.05

(0.041)

0.60

(0.024)

1.00

(0.039)

MF-FSML175/8

MF-FSML200/6

MF-FSML250/6

MF-FSML260/6

MF-FSML300/6

DIMENSIONS:

MM

(INCHES)

Bottom View

D

E

A

B

C

Top View

Side View

Terminal material:

ENIG-plated terminals

Recommended Pad Layout

1.00

(.039)

1.00

(.039)

0.70

(.028)

0.70

(.028)

Specificationsaresubjecttochangewithoutnotice.

Usersshouldverifyactualdeviceperformanceintheirspecificapplications.

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