MF-RX020/72-AP - Bourns - Product.Network

Features

■ 72 V rated

■ Radial leaded devices

■ Cured, ﬂ ame retardant epoxy polymer

insulating material meets UL 94V-0

requirements

■ RoHS compliant*

■ Agency recognition:

Applications

Almost anywhere there is a low voltage power

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

including:

■ Security and ﬁ re alarm systems

■ Loudspeakers

■ Power transformers

MF-RX/72 Series - PTC Resettable Fuses

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

Speciﬁ cations are subject to change without notice.

Customers should verify actual device performance in their speciﬁ c applications.

Electrical Characteristics

Model V max.

Volts

I max.

Amps

Ihold Itrip Initial

Resistance

1 Hour (R1)

Post-Trip

Resistance

Max. Time

To Tr i p

Tripped

Power

Dissipation

Amperes

at 23 °C

Ohms

at 23 °C

Ohms

at 23 °C

Amperes

at 23 °C

Seconds

at 23 °C

Watts

at 23 °C

Hold Trip Min. Max. Max. Typ.

MF-RX020/72 72 40 0.20 0.40 1.50 2.84 4.40 1.0 2.2 0.40

MF-RX025/72 72 40 0.25 0.50 1.00 1.95 3.00 1.25 2.5 0.45

MF-RX030/72 72 40 0.30 0.60 0.76 1.36 2.10 1.5 3.0 0.50

MF-RX040/72 72 40 0.40 0.80 0.52 0.86 1.29 2.0 3.9 0.55

MF-RX050/72 72 40 0.50 1.00 0.41 0.77 1.17 2.5 4.0 0.75

MF-RX065/72 72 40 0.65 1.30 0.27 0.48 0.72 3.25 5.3 0.90

MF-RX075/72 72 40 0.75 1.50 0.18 0.40 0.60 3.75 6.3 0.90

MF-RX090/72 72 40 0.90 1.80 0.14 0.31 0.47 4.5 7.2 1.00

MF-RX110/72 72 40 1.10 2.20 0.15 0.25 0.38 5.5 8.2 1.50

MF-RX135/72 72 40 1.35 2.70 0.12 0.19 0.30 6.75 9.6 1.70

MF-RX160/72 72 40 1.60 3.20 0.09 0.14 0.22 8.0 11.4 1.90

MF-RX185/72 72 40 1.85 3.70 0.08 0.12 0.19 9.25 12.6 2.10

MF-RX250/72 72 40 2.50 5.00 0.05 0.08 0.13 12.5 15.6 2.50

MF-RX300/72 72 40 3.00 6.00 0.04 0.06 0.10 15.0 19.8 2.80

MF-RX375/72 72 40 3.75 7.50 0.03 0.05 0.08 18.75 24.0 3.20

Environmental Characteristics

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

Maximum Device Surface Temperature

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

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

Condition A

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

Test Test Conditions Accept/Reject Criteria

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 174545

RX110

4180S

*RoHS COMPLIANT

Speciﬁ cations are subject to change without notice.

Customers should verify actual device performance in their speciﬁ c applications.

MF-RX/72 Series - PTC Resettable Fuses

Product Dimensions

Model A B C D E Physical Characteristics

Max. Max. Nom. Tol. ± Min. Max. Style Lead Dia. Material

MF-RX020/72 7.4

(0.291)

12.7

(0.5)

5.1

(0.201)

0.7

(0.028)

7.6

(0.30)

3.1

(0.122) 10.51

(0.020) Sn/CuFe

MF-RX025/72 7.4

(0.291)

12.7

(0.5)

5.1

(0.201)

0.7

(0.028)

7.6

(0.30)

3.1

(0.122) 10.51

(0.020) Sn/CuFe

MF-RX030/72 7.4

(0.291)

13.4

(0.528)

5.1

(0.201)

0.7

(0.028)

7.6

(0.30)

3.1

(0.122) 10.51

(0.020) Sn/CuFe

MF-RX040/72 7.4

(0.291)

13.7

(0.539)

5.1

(0.201)

0.7

(0.028)

7.6

(0.30)

3.1

(0.122) 10.51

(0.020) Sn/CuFe

MF-RX050/72 7.9

(0.311

13.7

(0.539)

5.1

(0.201)

0.7

(0.028)

7.6

(0.30)

3.1

(0.122) 11 0.51

(0.020) Sn/Cu

MF-RX065/72 9.7

(0.382)

15.2

(0.598)

10.2

(0.402)

0.7

(0.028)

7.6

(0.30)

3.1

(0.122) 10.51

(0.020) Sn/Cu

MF-RX075/72 10.4

(0.409)

16.0

(0.630)

5.1

(0.201)

0.7

(0.028)

7.6

(0.30)

3.1

(0.122) 10.51

(0.020) Sn/Cu

MF-RX090/72 11.7

(0.461)

16.70

(0.657)

5.1

(0.201)

0.7

(0.028)

7.6

(0.30)

3.1

(0.122) 10.51

(0.020) Sn/Cu

MF-RX110/72 10.84

(0.427)

16.84

(0.662)

5.1

(0.201)

0.7

(0.028)

7.6

(0.30)

3.1

(0.122) 20.81

(0.032) Sn/Cu

MF-RX135/72 12.26

(0.483)

18.26

(0.718)

5.1

(0.201)

0.7

(0.028)

7.6

(0.30)

3.1

(0.122) 20.81

(0.032) Sn/Cu

MF-RX160/72 13.94

(0.549)

19.94

(0.785)

5.1

(0.201)

0.7

(0.028)

7.6

(0.30)

3.1

(0.122) 20.81

(0.032) Sn/Cu

MF-RX185/72 15.18

(0.598)

21.18

(0.833)

5.1

(0.201)

0.7

(0.028)

7.6

(0.30)

3.1

(0.122) 20.81

(0.032) Sn/Cu

MF-RX250/72 17.84

(0.702)

23.84

(0.938)

10.2

(0.402)

0.7

(0.028)

7.6

(0.30)

3.1

(0.122) 20.81

(0.032) Sn/Cu

MF-RX300/72 20.67

(0.814)

26.67

(1.050)

10.2

(0.402)

0.7

(0.028)

7.6

(0.30)

3.1

(0.122) 20.81

(0.032) Sn/Cu

MF-RX375/72 23.51

(0.926)

29.51

(1.161)

10.2

(0.402)

0.7

(0.028)

7.6

(0.30)

3.1

(0.122) 20.81

(0.032) Sn/Cu

Additional Features

■ Resettable circuit protection

■ Bulk packaging, tape and reel and Ammo-Pak available on most models

DIMENSIONS: MM

(INCHES)

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. per pack.

How to Order

MF - RX 110/72 - 2

Multifuse®

Product Designator

Series

RX = Radial Leaded Component

Hold Current, Ihold

020-375 (0.20 Amps - 3.75 Amps)

Maximum Voltage, Vmax

72 (72 Volts)

Packaging Options

- 0 = Bulk Packaging

- 2 = Tape and Reel*

- AP = Ammo-Pak*

*Packaged per EIA 486-B

Typical Part Marking

Represents total content. Layout may vary.

Style 1

Style 2

RX110

4180S

MANUFACTURER'S

TRADEMARK

PART

IDENTIFICATION

LOT NO.

(S = CHINA)

DATE CODE

(FIRST DIGIT =

LAST DIGIT OF YEAR;

NEXT THREE DIGITS =

DAY OF YEAR)

MF-RX/72 SERIES, REV. F, 04/10

Typical Time to Trip at 23 ˚C

Speciﬁ cations are subject to change without notice.

Customers should verify actual device performance in their speciﬁ c applications.

MF-RX/72 Series - PTC Resettable Fuses

100

0.1

0.01

0.001

0.1 1 10 100

Fault Current (Amps)

Time to trip (Seconds)

MF-RX040

MF-RX075

MF-RX020

MF-RX050

MF-RX065

MF-RX090

MF-RX025

MF-RX030

0.01

0.001

1 10 100

0.1

100

1000

Fault Current (Amps)

Time to Trip (Seconds)

MF-RX110/72

MF-RX135/72

MF-RX160/72

MF-RX185/72

MF-RX250/72

MF-RX300/72

MF-RX375/72

The Time to Trip curves represent typical performance of a device in a simulated application environment. Actual performance in speciﬁ c customer applications

may differ from these values due to the inﬂ uence of other variables.

Thermal Derating Chart - Ihold (Amps)

Model Ambient Operating Temperature

-40 °C -20 °C0 °C 23 °C 40 °C 50 °C 60 °C 70 °C 85 °C

MF-RX020/72 0.31 0.27 0.24 0.20 0.16 0.14 0.13 0.11 0.08

MF-RX025/72 0.39 0.34 0.30 0.25 0.20 0.18 0.16 0.14 0.10

MF-RX030/72 0.47 0.41 0.36 0.30 0.24 0.22 0.19 0.16 0.12

MF-RX040/72 0.62 0.54 0.48 0.40 0.32 0.29 0.25 0.22 0.16

MF-RX050/72 0.78 0.68 0.60 0.50 0.41 0.36 0.32 0.27 0.20

MF-RX065/72 1.01 0.88 0.77 0.65 0.53 0.47 0.41 0.35 0.26

MF-RX075/72 1.16 1.02 0.89 0.75 0.61 0.54 0.47 0.41 0.30

MF-RX090/72 1.40 1.22 1.07 0.90 0.73 0.65 0.57 0.49 0.36

MF-RX110/72 1.71 1.50 1.31 1.10 0.89 0.79 0.69 0.59 0.44

MF-RX135/72 2.09 1.84 1.61 1.35 1.09 0.97 0.85 0.73 0.54

MF-RX160/72 2.48 2.18 1.90 1.60 1.30 1.15 1.01 0.86 0.64

MF-RX185/72 2.87 2.52 2.20 1.85 1.50 1.33 1.17 1.00 0.74

MF-RX250/72 3.88 3.40 2.98 2.50 2.03 1.80 1.58 1.35 1.00

MF-RX300/72 4.65 4.08 3.57 3.00 2.43 2.16 1.89 1.62 1.20

MF-RX375/72 5.81 5.10 4.46 3.75 3.04 2.70 2.36 2.03 1.50

IEC EIA Dimensions

Dimension Description Mark Mark Dimensions Tolerance

Carrier tape width W W 18 -0.5/+1.0

(.709) (-0.02/+.039)

Hold down tape width W0 W4 11

min.

(.433)

Hold down tape No protrusion

Top distance between tape edges W2 W

6 3

max.

(.118)

Sprocket hole position W1 W

5 9 -0.5/+0.75

(.354) (-0.02/+0.03)

Sprocket hole diameter D0 D

0 4 ±0.2

(.157) (±.0078)

Abscissa to plane (straight lead) H H 18.5 ±3.0

(.728) (±.118)

Abscissa to plane (kinked lead) H0 H

0 16 ±0.5

(.63) (±.02)

Abscissa to top (straight lead) H1 H

1 38.0

max.

(1.496)

Abscissa to top (kinked lead) H1 H

1 32.2

max.

(1.268)

Overall width w/lead protrusion (straight lead) C1 55.0

max.

(2.165)

Overall width w/lead protrusion (kinked lead) C1 43.2

max.

(1.7)

Overall width w/o lead protrusion (straight lead) C2 54.0

max.

(2.126)

Overall width w/o lead protrusion (kinked lead) C2 42.5

max.

(1.673)

Lead protrusion I1 L

1 1.0

max.

(.039)

Protrusion of cutout L L 11

max.

(.433)

Protrusion beyond hold-down tape I2 I

2 Not speciﬁ ed

Sprocket hole pitch P0 P

0 12.7 ±0.3

(0.5) (±.012)

Pitch tolerance 20 consecutive ±1

(±.039)

Device pitch: MF-R/72, MF-RX110/72-MF-RX185/72 12.7 ±0.3

(0.5) (±.012)

Device pitch: MF-RX250/72–MF-RX375/72 25.4 ±0.6

(1.0) (±.024)

Tape thickness t t 0.9

max.

(.035)

Tape thickness with splice: MF-R/72, MF-RX110/72-MF-RX185/72 t1 1.5

max.

(.059)

Tape thickness with splice: MF-RX250/72–MF-RX375/72 t1 2.3

max.

(.091)

Splice sprocket hole alignment

0 ±0.3

(±.012)

Body lateral deviation Δh Δh 0

±1

(±.039)

Body tape plane deviation Δp Δp 0

±1.3

(±.051)

Lead seating plane deviation ΔP1 P

1 3.81 ±0.7

(.015) (±.028)

Lead spacing: MF-R/72, MF-RX110/72-MF-RX185/72 F F 5.08 -0.2/+0.8

(0.2) (-0.006/+0.031)

Lead spacing: MF-RX250/72–MF-RX375/72 F F 10.2 -0.2/+0.8

(0.402) (-0.006/+0.031)

MF-R/72 & MF-RX/72 Series Tape and Reel Speciﬁ cations

Speciﬁ cations are subject to change without notice.

Customers should verify actual device performance in their speciﬁ c applications

Devices taped using EIA468–B/IEC60286-2 standards. See table below and Figures 1 and 2 for details.

DIMENSIONS: MM

(INCHES)

Speciﬁ cations are subject to change without notice.

Customers should verify actual device performance in their speciﬁ c applications

MF-R/72 & MF-RX/72 Series Tape and Reel Speciﬁ cations

Reel

Upper side

Tape

Lower side

User

direction

feed

User direction of feed

Cross section A - B

Reference plane

H0W1

IEC EIA Dimensions

Dimension Description Mark Mark Dimensions Tolerance

Reel width w W2 56.0

max.

(2.205)

Reel diameter d a 370.0

max.

(14.57)

Space between ﬂ anges less device 4.75 ±3.25

W1 h (.187) (±.128)

Arbor hole diameter f c 26.0 ±12.0

(1.024) (±.472)

Core diameter h n 80

max.

(3.15)

Box 64 372 372

max.

(2.52) (14.6) (14.6)

Consecutive missing places 3 max.

Empty places per reel Not speciﬁ ed

Taped Component Dimensions - Figure 1

Reel Dimensions - Figure 2

DIMENSIONS: MM

(INCHES)