MF-R014/250U-0 Bourns Inc., MF-R014/250U-0 Datasheet

MF-R014/250U-0

Manufacturer Part Number

MF-R014/250U-0

Description

PTC Resettable Fuses 250v Max 3Amps Max

Manufacturer

Bourns Inc.

Type

Telecom PTC Resettable Fusesr

Series

MF-RX/250r

Datasheet

1.MF-R008250U-0.pdf (5 pages)

Specifications of MF-R014/250U-0

Hold Current

0.14 Amp

Trip Current

0.28 Amp

Current Rating (max)

40 Amps

Resistance

6.5 Ohms

Maximum Voltage

60 VoltsDC

Termination Style

Radial

Mounting Style

Through Hole

Current Rating

0.14 Amp

Dimensions

6 mm L x 4.7 mm W x 10 mm H

Lead Spacing

5.1 mm

Operating Temperature Range

- 40 C to + 85 C

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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Specifications are subject to change without notice.

Customers should verify actual device performance in their specific applications.

Operating/Storage Temperature ..............................-40 °C to +85 °C

Maximum Device Surface Temperature

Passive Aging ..........................................................+85 °C, 1000 hours ........................................................±15 % typical resistance change

Humidity Aging ........................................................+85 °C, 85 % R.H. 500 hours ..........................................±15 % typical resistance change

Thermal Shock ........................................................MIL-STD-202F, Method 107G, ........................................±10 % typical resistance change

Solvent Resistance ..................................................MIL-STD-202, Method 215B............................................No change

Lead Solderability ....................................................ANSI/J-STD-002 ..............................................................>95 % coverage

Flammability ............................................................IEC 695-2-2......................................................................No Flame for 60 secs.

Vibration ..................................................................MIL-STD-883C, Method 2007.1, Condition A..................±5 % typical resistance change

Test

Visual/Mech. ......................................................Verify dimensions and materials..................Per MF physical description

Resistance ..........................................................In still air @ 23 °C ........................................Rmin ≤ R ≤ R1max

Time to Trip ........................................................5 times Ihold, Vmax, 23 °C..........................T ≤ typical time to trip (seconds)

Hold Current ......................................................30 min. at Ihold............................................No trip

Trip Cycle Life ....................................................Vmax, Imax, 100 cycles ..............................No arcing or burning

Trip Endurance....................................................Vmax, 48 hours ..........................................No arcing or burning

UL File Number ..................................................E 174545S

CSA File Number ................................................CA 110338

TÜV File Number ................................................R02057213

“U” suffix indicates product without insulation coating.

MF-R008/250U

MF-R008/250

MF-R011/250U

MF-R012/250

MF-R012/250-A

MF-R012/250-C

MF-R012/250-F

MF-R012/250-1

MF-R012/250-2

MF-R012/250U

MF-R014/250

MF-R014/250-A

MF-R014/250-B

MF-R014/250U

MF-R018/250U

in Tripped State......................................................125 °C

Electrical Characteristics

Environmental Characteristics

Test Procedures And Requirements For Model MF-R/250 Series

Model

Operating

Voltage

Max.

(Vdc)

Test Conditions

+60°C, 1000 hours

+125 °C to -55 °C,10 times

MF-R/250 Series -

Features

■

Radial Leaded Devices

High ability to withstand lightning surges

Ideal lightning surge coordination device

Binned and sorted narrow resistance

ranges available

Lead free option available

Agency recognition:

(Vrms)

Volts

Max.

250

Interrupt

Ratings

Max.

Amps

Max.

10.0

3.0

(A)

Telecom PTC Resettable Fuses

T V Rheinland

Current

Amps

0.145

Hold

23 °C

0.08

0.11

0.12

0.18

I H

Accept/Reject Criteria

Applications

■

±15 % typical resistance change

Customer Premise Equipment (CPE)

Central Office / Telecom Centers (CO)

Access equipment

Ohms

23 °C

Min.

14.0

15.0

5.0

4.0

7.0

5.5

6.0

8.0

6.0

3.0

4.5

3.5

0.8

Resistance

Initial

Ohms

23 °C

Max.

20.0

22.0

10.5

10.0

9.0

8.0

9.0

7.5

9.0

6.0

5.5

6.0

6.5

2.0

Resistance

One Hour

Post-Trip

Ohms

23 °C

Max.

33.0

16.0

14.0

16.0

12.0

14.0

12.0

4.0

Related parts for MF-R014/250U-0

MF-R014/250U-0 Summary of contents

Page 1

... Lead Solderability ....................................................ANSI/J-STD-002 ..............................................................>95 % coverage Flammability ............................................................IEC 695-2-2......................................................................No Flame for 60 secs. Vibration ..................................................................MIL-STD-883C, Method 2007.1, Condition A..................±5 % typical resistance change Test Procedures And Requirements For Model MF-R/250 Series Test Visual/Mech. ......................................................Verify dimensions and materials..................Per MF physical description Resistance ..........................................................In still air @ 23 °C ........................................Rmin ≤ R ≤ R1max Time to Trip ........................................................5 times Ihold, Vmax, 23 ° ...

Page 2

... Additional Features ■ Assists equipment with meeting ITU-T K.20/K.21/K.45 ■ Assists equipment with meeting Telcordia GR-1089-C Intrabuilding MF-R/250 Series - Thermal Derating Chart - I hold (Amps) Model -40 ˚C -20 ˚C MF-R008/250 0.124 0.110 MF-R011/250U 0.171 0.151 MF-R012/250 0.186 0.165 MF-R014/250 0.255 0.199 MF-R018/250U 0.269 ...

Page 3

... MF-R/250 Series - How to Order 012/250 Multifuse ® Product Designator Series R = 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 Pre-tripped Resistance Sorted Narrow resistance ranges Resistance Bins of 0.5 ohms ...

Page 4

... MF-R, MF-RX, MF-R/90, MF-R/250, MF-RX/250 & MF-R/600 Series Tape and Reel Specifications Devices taped using EIA468–B/IEC286-2 standards. See table below and Figures 1 and 2 for details. Dimension Description Carrier tape width Hold down tape width: MF-R/600 Hold down tape width: all others ...

Page 5

... MF-R, MF-RX, MF-R/90, MF-R/250, MF-RX/250 & MF-R/600 Series Tape and Reel Specifications Dimension Description Space between flanges less device Arbor hole diameter Core diameter: MF-R, MF-RX, MF-R/90 & MF-R/250 Core diameter: MF-RX/250 & MF-R/600 Box: MF-R, MF-RX, MF-R/90 & MF-R/250 Box: MF-RX/250 ...

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