MF-RX250-0-14 Bourns Inc., MF-RX250-0-14 Datasheet

MF-RX250-0-14

Manufacturer Part Number

MF-RX250-0-14

Description

PTC - RADIAL LEADED 60VOLTS

Manufacturer

Bourns Inc.

Series

MF-RXr

Datasheets

1.MF-RX110.pdf (4 pages)

2.MF-SM07560-2.pdf (12 pages)

Specifications of MF-RX250-0-14

Voltage - Max

60V

Current - Max

40A

Current - Hold (ih) (max)

2.5A

Current - Trip (it)

R Min/max

0.050 ~ 0.080 Ohm

Time To Trip

15.6s

Package / Case

Radial

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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

Maximum Device Surface Temperature

Passive Aging......................................................+85 °C, 1000 hours ....................................±5 % typical resistance change

Humidity Aging....................................................+85 °C, 85 % R.H. 1000 hours....................±5 % typical resistance change

Thermal Shock ....................................................-40 °C to +85 °C,10 times ..........................±10 % typical resistance change

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

Vibration ..............................................................MIL-STD-883C, Method 2007.1, ................No change

Test

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

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

Time to Trip ........................................................5 times Ihold, Vmax, 23 °C..........................T ≤ max. 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 ................................................R2057213

Thermal Derating Chart - I hold / I trip (Amps)

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

Electrical Characteristics

MF-RX110

MF-RX135

MF-RX160

MF-RX185

MF-RX250

MF-RX300

MF-RX375

MF-RX110

MF-RX135

MF-RX160

MF-RX185

MF-RX250

MF-RX300

MF-RX375

Environmental Characteristics

Test Procedures And Requirements For Model MF-RX Series

Model

0 1 8

X 1 1

V max.

0 T

Volts

1.71 / 3.42

2.09 / 4.18

2.48 / 4.96

2.87 / 5.74

3.88 / 7.76

4.65 / 9.30

5.81 / 11.6

-40 °C

Amps

I max.

1.50 / 3.00

1.84 / 3.68

2.18 / 4.36

2.52 / 5.04

3.40 / 6.80

4.08 / 8.16

5.10 / 10.2

-20 °C

Hold

I hold

1.10

1.35

1.60

1.85

2.50

3.00

3.75

Test Conditions

Condition A

MF-RX Series -

Features

1.31 / 2.62

1.61 / 3.22

1.90 / 3.80

2.20 / 4.40

2.98 / 5.96

3.57 / 7.14

4.46 / 8.92

Amperes

Radial Leaded Devices

Cured, flame retardant epoxy polymer

insulating material meets

UL 94V-0 requirements

Agency recognition:

RoHS compliant*

at 23 °C

0 °C

I trip

2.20

2.70

3.20

3.70

5.00

6.00

7.50

Trip

1.10 / 2.20

1.35 / 2.70

1.60 / 3.20

1.85 / 3.70

2.50 / 5.00

3.00 / 6.00

3.75 / 7.50

Ambient Operating Temperature

23 °C

Min.

0.15

0.12

0.09

0.08

0.05

0.04

0.03

Resistance

0.89 / 1.78

1.09 / 2.18

1.30 / 2.60

1.50 / 3.00

2.03 / 4.06

2.43 / 4.86

3.04 / 6.08

Initial

Ohms

at 23 °C

PTC Resettable Fuses

40 °C

Customers should verify actual device performance in their specific applications.

Max.

0.25

0.19

0.14

0.12

0.08

0.06

0.05

T V Rheinland

0.79 / 1.58

0.97 / 1.94

1.15 / 2.30

1.33 / 2.66

1.80 / 3.60

2.16 / 4.32

2.70 / 5.40

Accept/Reject Criteria

50 °C

1 Hour (R 1 )

Resistance

Post-Trip

at 23 °C

Ohms

*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.

Max.

0.38

0.30

0.22

0.19

0.13

0.10

0.08

rated MF-RX/72 Series is preferred.

Specifications are subject to change without notice.

0.69 / 1.38

0.85 / 1.70

1.01 / 2.02

1.17 / 2.34

1.58 / 3.16

1.89 / 3.78

2.36 / 4.72

The MF-RX Series is currently

60 °C

Amperes

available, although not recommended

12.5

15.0

18.75

at 23 °C

for new designs. The higher voltage

5.5

6.75

8.0

9.25

Max. Time

To Trip

0.59 / 1.18

0.73 / 1.46

0.86 / 1.72

1.00 / 2.00

1.35 / 2.70

1.62 / 3.24

2.03 / 4.06

Seconds

70 °C

at 23 °C

11.4

12.6

15.6

19.8

24.0

8.2

9.6

0.44 / 0.88

0.54 / 1.08

0.64 / 1.28

0.74 / 1.48

1.00 / 2.00

1.20 / 2.40

1.50 / 3.00

Dissipation

at 23 °C

Tripped

Watts

85 °C

Power

1.50

1.70

1.90

2.10

2.50

2.80

3.20

Typ.

Related parts for MF-RX250-0-14

MF-RX250-0-14 Summary of contents

Page 1

... Vibration ..............................................................MIL-STD-883C, Method 2007.1, ................No change Test Procedures And Requirements For Model MF-RX Series Test Visual/Mech. ......................................................Verify dimensions and materials..................Per MF physical description Resistance ..........................................................In still air @ 23 °C ........................................Rmin ≤ R ≤ Rmax Time to Trip ........................................................5 times Ihold, Vmax, 23 °C..........................T ≤ max. time to trip (seconds) Hold Current ...

Page 2

... Packaging options: BULK: All models = 500 pcs. per bag. TAPE & REEL: MF-RX110 – MF-RX160 = 1500 pcs. per reel; MF-RX185 – MF-RX375 = 1000 pcs. per reel AMMO-PACK: MF-RX110 – MF-RX160 = 1000 pcs. per reel; MF-RX185 – MF-RX375 = 500 pcs. per reel ...

Page 3

... MF-R, MF-RX, MF-R/90, MF-RX/72 & MF-RX/250 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: all others Hold down tape Top distance between tape edges ...

Page 4

... MF-R, MF-RX, MF-R/90, MF-RX/72 & MF-RX/250 Series Tape and Reel Specifications Dimension Description Arbor hole diameter Core diameter: MF-R, MF-RX, MF-R/90 Box: MF-R, MF-RX, MF-R/90 Consecutive missing places: MF-R, MF-RX, MF-R/90 Empty places per reel: MF-R, MF-RX, MF-R/90 Taped Component Dimensions - Figure 1 ∆h ∆ ...

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