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.

MF-LSMF Series - PTC Resettable Fuses

Typical Time to Trip at 23 °C (continued)

100

10

1

0.1

0.01

0.001

10

1

100

Fault Current (Amps)

A

C

D

E

MF-LSMF075X

MF-LSMF110X

MF-LSMF125X

MF-LSMF150X

MF-LSMF185X

MF-LSMF260/6X

MF-LSMF330X

A

B

C

D

E

F

G

B

F

G

100

10

1

0.1

0.01

0.001

10

1

100

Fault Current (Amps)

J

L

M

N

MF-LSMF125/33X

MF-LSMF150/33X

MF-LSMF200X, MF-LSMF200/24X

MF-LSMF260X, MF-LSMF260/16X

MF-LSMF300/16X

MF-LSMF400/16X

MF-LSMF500/16X

MF-LSMF600/12X

J

K

L

M

N

O

P

Q

K

O

P

Q

100

10

1

0.1

0.01

0.001

10

1

100

Fault Current (Amps)

H

R

S

MF-LSMF185/24X, MF-LSMF185/33X

MF-LSMF300/24X

MF-LSMF300X

MF-LSMF330/12X, MF-LSMF330/16X,

MF-LSMF330/24X

H

I

R

S

I

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.