Product Dimensions

Model

A

B

C

D

F

Pkg.

Style

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Max.

MF-LR190

19.9

(0.783)

22.1

(0.870)

4.9

(0.193)

5.2

(0.205)

0.6

(0.024)

1.0

(0.039)

5.5

(0.217)

7.5

(0.295)

3.9

(0.154)

4.1

(0.161)

Std.

MF-LR190S

19.9

(0.783)

22.1

(0.870)

4.9

(0.193)

5.2

(0.205)

0.6

(0.024)

1.0

(0.039)

5.5

(0.217)

7.5

(0.295)

3.9

(0.154)

4.1

(0.161)

S

MF-LR260

20.9

(0.823)

23.1

(0.909)

4.9

(0.193)

5.2

(0.205)

0.6

(0.024)

1.0

(0.039)

4.1

(0.161)

5.5

(0.217)

3.9

(0.154)

4.1

(0.161)

Std.

MF-LR260S

20.9

(0.823)

23.1

(0.909)

4.9

(0.193)

5.2

(0.205)

0.6

(0.024)

1.0

(0.039)

4.1

(0.161)

5.5

(0.217)

3.9

(0.154)

4.1

(0.161)

S

MF-LR380

24.0

(0.945)

26.0

(1.024)

6.9

(0.272)

7.5

(0.295)

0.6

(0.024)

1.0

(0.039)

4.1

(0.161)

5.5

(0.217)

4.9

(0.193)

5.1

(0.201)

Std.

MF-LR450

24.0

(0.945)

26.0

(1.024)

9.9

(0.390)

10.5

(0.414)

0.6

(0.024)

1.0

(0.039)

5.3

(0.209)

6.7

(0.264)

5.9

(0.232)

6.1

(0.240)

Std.

MF-LR550

35.0

(1.378)

37.0

(1.457)

6.9

(0.272)

7.5

(0.295)

0.6

(0.024)

1.0

(0.039)

5.3

(0.209)

6.7

(0.264)

4.9

(0.193)

5.1

(0.201)

Std.

MF-LR600

24.0

(0.945)

26.0

(1.024)

13.9

(0.547)

15.9

(0.626)

0.6

(0.024)

1.0

(0.039)

4.1

(0.161)

5.5

(0.217)

5.9

(0.232)

6.1

(0.240)

Std.

MF-LR730

30.0

(1.18)

29.1

(1.146)

13.9

(0.547)

15.0

(0.590)

0.6

(0.024)

1.0

(0.039)

4.1

(0.161)

5.5

(0.217)

5.9

(0.232)

6.1

(0.240)

Std.

MF-LR730/20

27.1

(1.067)

29.1

(1.146)

13.9

(0.547)

14.5

(0.571)

0.6

(0.024)

1.0

(0.039)

4.1

(0.161)

5.5

(0.217)

5.9

(0.232)

6.1

(0.240)

Std.

MF-LR900/20

45.4

(1.787)

47.6

(1.874)

7.9

(0.311)

8.5

(0.335)

0.6

(0.024)

1.3

(0.051)

4.6

(0.181)

9.2

(0.362)

5.9

(0.232)

6.1

(0.240)

Std.

Packaging:

Bulk - 500 pcs. per bag.

Tape and Reel - Consult factory.

DIMENSIONS:

MM

(INCHES)

Typical Part Marking

Represents total content. Layout may vary.

Specifications are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

Users should verify actual device performance in their specific applications.

MF-LR Series - PTC Resettable Fuses

Applications

Any application that requires protection at low

resistances:

F

B

D

D

C

A

Standard Style

F

B

D

D

A

"S" Style

C

SLIT

NOMINAL

0.5

(.020)

4.0

(.157)

X

MANUFACTURER'S

TRADEMARK

PART

IDENTIFICATION

LOT NO.

(T = TAIWAN

S = CHINA)

LR190

0144T

DATE CODE

(FIRST DIGIT =

LAST DIGIT OF YEAR;

NEXT THREE DIGITS =

DAY OF YEAR)