MF-RX/250 Series - Telecom PTC Resettable Fuses

How to Order

MF - RX 012/250 U - A 5 - 2

Product

Designator

Series

RX = Radial Leaded

Component

Hold Current, Ihold

008-018 (0.08-0.18 Amps)

Max. Interrupt Voltage, V

250 (250 Volts)

Telecom Options

U = Uncoated (radial parts only)

Resistance Sorted

Narrow resistance ranges - see

Resistance Options chart

Resistance Bins of 0.5 ohms

05 = 0.5 ohm binned parts (epoxy coated)

5 = 0.5 ohm binned parts (uncoated)

Packaging Options

- 0 = Bulk Packaging

- 2 = Tape and Reel* (available with binned

option)

*Packaged per EIA486-B

Typical Time to Trip at 23 ˚C

MF-RX/250, REV. M, 09/15

Resistance Options

Model

Initial Resistance

Values

R1max

Bin

Ohms @ 23 ° C

Ohms @ 23 ° C

Min.

Max.

Max.

MF-RX012/250

4.0

8.0

16.0

N/A

MF-RX012/250-A05

7.0

9.0

16.0

0.5

MF-RX012/250-C05

5.5

7.5

14.0

0.5

MF-RX012/250-F05

6.0

10.5

16.0

0.5

MF-RX012/250-105

6.0

9.0

16.0

0.5

MF-RX012/250-205

8.0

10.5

16.0

0.5

MF-RX012/250-T05

7.0

12.0

16.0

0.5

MF-RX012/250U

6.0

10.0

16.0

N/A

MF-RX014/250

3.0

6.0

14.0

N/A

MF-RX014/250-A05

3.0

5.5

12.0

0.5

MF-RX014/250-B05

4.5

6.0

14.0

0.5

MF-RX014/250U

3.5

6.5

12.0

N/A

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.

100

10

1

0.10

0.01

0

Fault Current (Amps)

0.5

MF-RX018/250, MF-RX018/250U

MF-RX012/250 & MF-RX012/250U

MF-RX014/250 & MF-RX014/250U

1.0

1.5

2.0

2.5

3.0