MF-RX/250 Series - Telecom PTC Resettable Fuses

Additional Features

Product Dimensions

A

B

C

D

E

Physical Characteristics

Model

Max.

Max.

Nom.

Min.

Max.

Lead Dia.

Style

Material

MF-RX012/250

6.5

11.0

5.1 ± 0.7

4.7

4.6

0.65

1

Sn/Cu

(0.256)

(0.433)

(0.201 ± 0.028)

(0.185)

(0.181)

(0.026)

MF-RX012/250U

6.0

10.0

5.1 ± 0.7

4.7

3.8

0.65

2

Sn/Cu

(0.236)

(0.394)

(0.201 ± 0.028)

(0.185)

(0.150)

(0.026)

MF-RX014/250

6.5

11.0

5.1 ± 0.7

4.7

4.6

0.65

1

Sn/Cu

(0.256)

(0.433)

(0.201 ± 0.028)

(0.185)

(0.181)

(0.026)

MF-RX014/250U

6.0

10.0

5.1 ± 0.7

4.7

3.8

0.65

2

Sn/Cu

(0.236)

(0.394)

(0.201 ± 0.028)

(0.185)

(0.150)

(0.026)

MF-RX018/250

11.0

13.6

5.1 ± 0.7

4.7

4.6

0.65

1

Sn/Cu

(0.433)

(0.535)

(0.201 ± 0.028)

(0.185)

(0.181)

(0.026)

MF-RX018/250U

10.4

12.6

5.1 ± 0.7

4.7

3.8

0.65

2

Sn/Cu

(0.409)

(0.496)

(0.201 ± 0.028)

(0.185)

(0.150)

(0.026)

Packaging options: BULK: 500 pcs. per bag.

TAPE & REEL: 1500 pcs. per reel (available binned).

DIMENSIONS:

MM

(INCHES)

Typical Part Marking

Represents total content. Layout may vary.

Thermal Derating Chart - Ihold (Amps)

Model

Ambient Operating Temperature

-40 ºC

-20 ºC

0 ºC

23 ºC

40 ºC

50 ºC

60 ºC

70 ºC

85 ºC

MF-RX012/250

0.186

0.165

0.143

0.120

0.099

0.088

0.077

0.066

0.050

MF-RX014/250

0.225

0.199

0.172

0.145

0.119

0.106

0.093

0.080

0.060

MF-RX018/250

0.269

0.240

0.211

0.180

0.153

0.138

0.123

0.109

0.087

Itrip is approximately two times Ihold.

C

D

B

E

A

D

B

E

A

C

Style 1

Style 2

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.

RX012

0 220 S

PART

IDENTIFICATION

YEAR CODE

DATE CODE

MANUFACTURER'S

TRADEMARK

LOCATION CODE:

S = CHINA