MF-R055/90U-0 - Bourns - Datasheet.Directory

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 ................................................ +125 °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-R/90 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 174545S

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

TÜV File Number ............................................. R2057213

Electrical Characteristics

Model V max.

Volts

I max.

Amps

Ihold

Itrip

Initial

Resistance

Values

One Hour

Post-Trip

Resistance

Standard Trip

Max. Time

to Trip

Nominal

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-R055/90 90 10 0.55 1.1 0.45 0.9 2.0 1.6 60 2.0

MF-R055/90U 90 10 0.55 1.1 0.45 0.9 2.0 1.6 28 2.0

MF-R075/90 90 10 0.75 1.5 0.37 0.75 1.65 2.0 60 2.5

Features

■ 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 load to be

protected with a voltage supply of up to

90 V, including:

■ Broadband cable power passing taps

■ Set-top boxes

MF-R/90 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.

*RoHS COMPLIANT

Thermal Derating Chart - Ihold / Itrip (Amps)

Model Ambient Operating Temperature

-40 ºC -20 ºC 0 ºC 23 ºC 40 ºC 50 ºC 60 ºC 70 ºC 85 ºC

MF-R055/90 0.85 / 1.7 0.75 / 1.5 0.65 / 1.3 0.55 / 1.1 0.45 / 0.9 0.4 / 0.8 0.35 / 0.7 0.3 / 0.6 0.22 / 0.44

MF-R055/90U 0.85 / 1.7 0.75 / 1.5 0.65 / 1.3 0.55 / 1.1 0.45 / 0.9 0.4 / 0.8 0.35 / 0.7 0.3 / 0.6 0.22 / 0.44

MF-R075/90 1.15 / 2.3 1.0 / 2.0 0.9 / 1.8 0.75 / 1.5 0.61 / 1.22 0.55 / 1.1 0.48 / 0.96 0.41 / 0.82 0.30 / 0.6

1220S

“U” sufﬁ x indicates product without insulation coating.

Speciﬁ cations are subject to change without notice.

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

MF-R/90 Series - PTC Resettable Fuses

Additional Features

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

Product Dimensions

A B C (Pitch) D E Physical Characteristics

Model Max. Max. Nom. Min. Max. Style Lead Dia. Material

MF-R055/90 10.9 16.7 5.1 ± 0.7 6.3 3.6 1 0.81

Sn/Cu

(0.43) (0.65) (0.201 ± 0.028) (0.248) (0.142) (0.032)

MF-R055/90U 10.3 16.7 5.1 ± 0.7 6.3 3.0 1 0.81

Sn/Cu

(0.4) (0.65) (0.201 ± 0.028) (0.248) (0.118) (0.032)

MF-R075/90 11.9 15.5 5.1 ± 0.7 6.3 3.6 1 0.81

Sn/Cu

(0.47) (0.61) (0.201 ± 0.028) (0.248) (0.142) (0.032)

Packaging options:

BULK: 500 pcs. per bag. TAPE & REEL: 1500 pcs. per reel. AMMO-PACK: 1000 pcs. per pack DIMENSIONS: MM

(INCHES)

Also available with straight leads.

How to Order

MF - R 055/90 U - 0

Multifuse®

Product

Designator

Series

R = Radial Leaded

Component

Hold Current, Ihold

055, 075 (0.55 Amps - 0.75 Amps)

Max. Voltage, V

Coating

__ = Coated

U = Uncoated

Packaging Options

- 0 = Bulk Packaging

- 2 = Tape and Reel*

- AP = Ammo-Pak*

*Packaged per EIA486-B

Style 1 Typical Part Marking

Represents total content. Layout may vary.

R055

1220S

MANUFACTURER'S

TRADEMARK

PART

IDENTIFICATION

LOT NO.

(S = CHINA)

DATE CODE

(FIRST DIGIT =

LAST DIGIT OF YEAR;

NEXT THREE DIGITS =

DAY OF YEAR)

Typical Time to Trip at 23 ˚C

Fault Current (Amps)

Time to Trip (Seconds)

0.1

100

MF-R055/90

MF-R055/90U

MF-R075/90

MF-R/90, REV. F 05/11

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 W4 11

min.

W0 (.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-R005–MF-R160, MF-R/90,

MF-RX110/72–MF-RX185/72

12.7 ±0.3

(0.5) (±.012)

Device pitch: MF-R185–MF-R400, MF-RX110–MF-RX375

MF-R/600, 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-R010–MF-R160, t1

max.

MF-RX110/72–MF-RX185/72

1.5

(.059)

Tape thickness with splice: MF-R250–MF-R1100, t1

max.

MF-RX110–MF-RX375, MF-R/90, MF-RX250/72-MF-RX375/72 2.3

(.091)

Splice sprocket hole alignment

0 ±0.3

(±.012)

Body lateral deviation Δh Δh 0

±1.0

(±.039)

Body tape plane deviation Δp Δp 0

±1.3

(±.051)

MF-R, MF-R/90, MF-R/600, MF-RX, MF-RX/72 & MF-RX/250 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/IEC286-2 standards. See table below and Figures 1 and 2 for details.

DIMENSIONS: MM

(INCHES)

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

Lead spacing: MF-R, MF-R/90, MF-R/600, MF-RX, MF-RX/72 F F 5.08 ±0.2

(0.2) (±0.008)

Lead spacing: MF-RX/250 F F 5.08 -0.5/+0.6

(0.2) (-.020/+.024)

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: MF-R, MF-RX, MF-R/90 h n 80

max.

(3.15)

Core diameter: MF-RX/250, MF-R/600 h n 91

max.

(3.58)

Box: MF-R, MF-RX, MF-R/90 56 372 372

max.

(2.2) (14.6) (14.6)

Box: MF-RX/250 67 372 362

max.

(2.64) (14.6) (14.25)

Box: MF-R/600 64 372 362

max.

(2.52) (14.6) (14.25)

Consecutive missing places: MF-R, MF-RX, MF-R/90 3 max.

Consecutive missing places: MF-RX/250, MF-R/600 none

Empty places per reel: MF-R, MF-RX, MF-R/90 Not speciﬁ ed

Empty places per reel: MF-RX/250, MF-R/600 0.1 %

Speciﬁ cations are subject to change without notice.

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

Taped Component Dimensions - Figure 1

DIMENSIONS: MM

(INCHES)

MF-R, MF-R/90, MF-R/600, MF-RX, MF-RX/72 & MF-RX/250 Series

Tape and Reel Speciﬁ cations

Reel Dimensions - Figure 2