MF-USMF Series - PTC Resettable Fuses

Applications

■

Game consoles

■

PC motherboards

■

USB port protection - USB 2.0, 3.0 & OTG

■

HDMI 1.4 Source protection

■

IEEE 1394 ports

■

Mobile phones

■

Digital cameras

Test Procedures and Requirements

Item

Test Conditions

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

T ≤ max. time to trip (seconds)

Hold Current

30 min. at Ihold

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

AB

C

D

Min.

Max.

Min.

Max.

Min.

Max.

Min.

MF-USMF005

3.00

(0.118)

3.43

(0.135)

2.35

(0.093)

2.80

(0.110)

0.80

(0.031)

1.1

(0.043)

0.30

(0.012)

MF-USMF010

3.00

(0.118)

3.43

(0.135)

2.35

(0.093)

2.80

(0.110)

0.80

(0.031)

1.1

(0.043)

0.30

(0.012)

MF-USMF020

3.00

(0.118)

3.43

(0.135)

2.35

(0.093)

2.80

(0.110)

0.80

(0.031)

1.1

(0.043)

0.30

(0.012)

MF-USMF035

3.00

(0.118)

3.43

(0.135)

2.35

(0.093)

2.80

(0.110)

0.55

(0.022)

0.85

(0.033)

0.30

(0.012)

MF-USMF050

3.00

(0.118)

3.43

(0.135)

2.35

(0.093)

2.80

(0.110)

0.55

(0.022)

0.85

(0.033)

0.30

(0.012)

MF-USMF075

3.00

(0.118)

3.43

(0.135)

2.35

(0.093)

2.80

(0.110)

0.55

(0.022)

0.85

(0.033)

0.30

(0.012)

MF-USMF110

3.00

(0.118)

3.43

(0.135)

2.35

(0.093)

2.80

(0.110)

0.55

(0.022)

0.85

(0.033)

0.30

(0.012)

MF-USMF150

3.00

(0.118)

3.43

(0.135)

2.35

(0.093)

2.80

(0.110)

0.40

(0.016)

0.85

(0.033)

0.30

(0.012)

MF-USMF175

3.00

(0.118)

3.43

(0.135)

2.35

(0.093)

2.80

(0.110)

0.40

(0.016)

0.85

(0.033)

0.30

(0.012)

MF-USMF175X

3.00

(0.118)

3.43

(0.135)

2.35

(0.093)

2.80

(0.110)

0.40

(0.016)

0.85

(0.033)

0.30

(0.012)

MF-USMF200X

3.00

(0.118)

3.43

(0.135)

2.35

(0.093)

2.80

(0.110)

0.40

(0.016)

0.85

(0.033)

0.30

(0.012)

DIMENSIONS:

MM

(INCHES)

A

B

C

Top and Bottom View

Side View

D

Terminal material:

Electroless Ni under immersion Au

Recommended Pad Layout

2.5 ± 0.1

(.098 ± .004)

2.0 ± 0.1

(.079 ± .004)

1.0 ± 0.05

(.039 ± .002)

1.0 ± 0.05

(.039 ± .002)

Specifications are subject to change without notice.

Users should verify actual device performance in their specific applications.

The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.

Packaging Quantity

3000 pcs. per reel