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.

Typical Time to Trip at 23 °C – continued

MF-MSMF Series – PTC Resettable Fuses

FAULT CURRENT (Amps)

100

10

1

0.1

0.01

0.001

0.1

1

10

100

A

C

D E

F

G

A - MF-MSMF010/33X

C - MF-MSMF020/33X & 020/60X

D - MF-MSMF030/33X

E - MF-MSMF030/60X

F - MF-MSMF035/33X

G - MF-MSMF035/60X

FAULT CURRENT (Amps)

100

10

1

0.1

0.01

0.001

1

10

100

A

B

E

I

H

A - MF-MSMF125/8X & 125/12X

B - MF-MSMF125/16X

E - MF-MSMF150/16X

H - MF-MSMF160/12X & 160/16X

I - MF-MSMF160/24X

FAULT CURRENT (Amps)

100

10

1

0.1

0.01

0.001

1

10

100

C

A

E

B

F

D

A - MF-MSMF200/8X

B - MF-MSMF200/12X & 200/16X

C - MF-MSMF250/16X

D - MF-MSMF260/6X

E - MF-MSMF260/8X & 260/12X

F - MF-MSMF260/16X

FAULT CURRENT (Amps)

100

10

1

0.1

0.01

0.001

0.1

1

10

100

A

B

C

D

E

F

G

H

A - MF-MSMF050/16X & 050/24X

B - MF-MSMF050/30X & 050/40X

C - MF-MSMF050/60X

D - MF-MSMF075/16X & 075/24X

E - MF-MSMF075/33X

F - MF-MSMF110/8X & 110/16X

G - MF-MSMF110/24X

H - MF-MSMF110/33X

FAULT CURRENT (Amps)

100

10

1

0.1

0.01

0.001

1

10

100

C

D

G

F

C - MF-MSMF125/24X

D - MF-MSMF150/8X & 150/12X

F - MF-MSMF150/24X

G - MF-MSMF160/8X

The Time to Trip curves represent typical performance of a device in

a simulated application environment. Actual performance in specific

customer applications may differ from these values due to the influence

of other variables.