MF-RX090/72-0 Bourns Inc., MF-RX090/72-0 Datasheet

MF-RX090/72-0

Manufacturer Part Number

MF-RX090/72-0

Description

FUSE PTC RESETTABLE 0.9A HOLD

Manufacturer

Bourns Inc.

Series

MF-RXr

Datasheets

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

2.MF-RX04072-0.pdf (5 pages)

Specifications of MF-RX090/72-0

R Min/max

0.140 ~ 0.310 Ohm

Voltage - Max

72V

Time To Trip

7.2s

Current - Hold (ih) (max)

900mA

Current - Trip (it)

1.8A

Current - Max

40A

Package / Case

Radial

Tripping Current

1.8A

Initial Resistance Max

0.31ohm

Svhc

No SVHC (15-Dec-2010)

Approval Category

UL Recognised

Body Diameter

11.7mm

Case Material

Epoxy Polymer

Current Max

40A

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 ....................................................+85 °C to -55 °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

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

Electrical Characteristics

MF-RX020/72

MF-RX025/72

MF-RX030/72

MF-RX040/72

MF-RX050/72

MF-RX065/72

MF-RX075/72

MF-RX090/72

MF-RX110/72

MF-RX135/72

MF-RX160/72

MF-RX185/72

MF-RX250/72

MF-RX300/72

MF-RX375/72

Environmental Characteristics

Test Procedures And Requirements For Model MF-RX/72 Series

Model

V max.

Volts

I max.

Amps

I hold

Test Conditions

Hold

0.20

0.25

0.30

0.40

0.50

0.65

0.75

0.90

1.10

1.35

1.60

1.85

2.50

3.00

3.75

Condition A

MF-RX/72 Series -

Features

Amperes

72 V rated

Radial leaded devices

Cured, flame retardant epoxy polymer

insulating material meets

UL 94V-0 requirements

RoHS compliant*

Agency recognition:

at 23

0.40

0.50

0.60

0.80

1.00

1.30

1.50

1.80

2.20

2.70

3.20

3.70

5.00

6.00

7.50

I trip

Trip

1.50

1.00

0.76

0.52

0.41

0.27

0.18

0.14

0.15

0.12

0.09

0.08

0.05

0.04

0.03

Min.

Resistance

at 23

Ohms

Initial

Customers should verify actual device performance in their specific applications.

PTC Resettable Fuses

Max.

2.84

1.95

1.36

0.86

0.77

0.48

0.40

0.31

0.25

0.19

0.14

0.12

0.08

0.06

0.05

Accept/Reject Criteria

1 Hour (R 1 )

Resistance

at 23

Post-Trip

Ohms

Max.

4.40

3.00

2.10

1.29

1.17

0.72

0.60

0.47

0.38

0.30

0.22

0.19

0.13

0.10

0.08

Applications

Almost anywhere there is a low voltage

power supply, up to 72 V and a load to be

protected, including:

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

Security and fire alarm systems

Loudspeakers

Power transformers

Specifications are subject to change without notice.

Amperes

at 23

12.5

15.0

18.75

1.0

1.25

1.5

2.0

2.5

3.25

3.75

4.5

5.5

6.75

8.0

9.25

Max. Time

To Trip

Seconds

at 23

11.4

12.6

15.6

19.8

24.0

2.2

2.5

3.0

3.9

4.0

5.3

6.3

7.2

8.2

9.6

Dissipation

at 23

Tripped

Watts

Power

0.40

0.45

0.50

0.55

0.75

0.90

1.00

1.50

1.70

1.90

2.10

2.50

2.80

3.20

Typ.

Related parts for MF-RX090/72-0

MF-RX090/72-0 Summary of contents

Page 1

... Vibration ..............................................................MIL-STD-883C, Method 2007.1, ................No change Test Procedures And Requirements For Model MF-RX/72 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: 500 pcs. per bag. TAPE & REEL: MF-RX020/72-2 ~ MF-RX090/72-2 = 3000 pcs. per reel; MF-RX110/72-2 ~ MF-RX160/72-2 = 1500 pcs. per reel; MF-RX185/72-2 - MF-RX375/72-2 = 1000 pcs. per reel. AMMO-PACK: MF-RX020/72-AP ~ MF-RX090/72-AP = 2000 pcs. per pack; MF-RX110/72-AP ~ MF-RX160/72-AP = 1000 pcs. per pack; MF-RX185/72-AP - MF-RX375/72-AP = 500 pcs ...

Page 3

... MF-RX/72 SERIES, REV. E, 02/08 Specifications are subject to change without notice. 100 C 85 ° C 0.08 0.10 0.12 0.16 0.20 0.26 0.30 0.36 0.44 0.54 0.64 ...

Page 4

... MF-R, MF-R/90, MF-R/600, MF-RX, 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: Hold down tape Top distance between tape edges ...

Page 5

... MF-R, MF-R/90, MF-R/600, MF-RX, 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 Core diameter: MF-RX/250, MF-R/600 Box: MF-R, MF-RX, MF-R/90 Box: MF-RX/250 Box: MF-R/600 Consecutive missing places: MF-R, MF-RX, MF-R/90 Consecutive missing places: MF-RX/250, MF-R/600 ...

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