MF-R012/250U-2 - Bourns - Datasheet.Live

Features

■ Radial leaded devices

■ Fast tripping resettable PTCs

■ Binned and sorted narrow resistance

ranges available

■ RoHS compliant*

■ Agency recognition:

Applications

■ Customer Premise Equipment (CPE)

■ Central Ofﬁ ce / Telecom Centers (CO)

■ Access equipment

MF-RX/250 Series - Telecom PTC Resettable Fuses

*RoHS COMPLIANT

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 .............................................. ±15 % typical resistance change

Humidity Aging...................................................... +85 °C, 85 % R.H. 1000 hours ............................. ±15 % typical resistance change

Thermal Shock ..................................................... +125 °C to -55 °C,10 times ................................... ±15 % typical resistance change

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

Lead Solerability ................................................... 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-RX/250 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 ...................................................... TTT current, Vmax, 23 °C .................................T ≤ max. time to trip (seconds)

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

Trip Cycle Life .................................................. 250 Vrms, 3A, 10 cycles ...................................No arcing or burning

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

TÜV File Number ............................................. 50260658

Electrical Characteristics

Model

Max.

Operating

Voltage

(Vdc)

Max. Interrupt

Ratings Hold Current Initial Resistance

One Hour

Post-Trip

Resistance

Volts

(Vrms)

Amps

(A)

Amps

at 23 °C

Ohms

at 23 °C

Ohms

at 23 °C

Ohms

at 23 °C

Max. Max. IHMin. Max. Max.

MF-RX012/250 60 250 3.0 0.12 4.0 8.0 16.0

MF-RX012/250-A 60 250 3.0 0.12 7.0 9.0 16.0

MF-RX012/250-C 60 250 3.0 0.12 5.5 7.5 14.0

MF-RX012/250-F 60 250 3.0 0.12 6.0 10.5 16.0

MF-RX012/250-1 60 250 3.0 0.12 6.0 9.0 16.0

MF-RX012/250-2 60 250 3.0 0.12 8.0 10.5 16.0

MF-RX012/250-T 60 250 3.0 0.12 7.0 12.0 16.0

MF-RX012/250U 60 250 3.0 0.12 6.0 10.0 16.0

MF-RX014/250 60 250 3.0 0.145 3.0 6.0 14.0

MF-RX014/250-A 60 250 3.0 0.145 3.0 5.5 12.0

MF-RX014/250-B 60 250 3.0 0.145 4.5 6.0 14.0

MF-RX014/250-T 60 250 3.0 0.145 5.4 7.5 14.0

MF-RX014/250U 60 250 3.0 0.145 3.5 6.5 12.0

MF-RX018/250 60 250 10.0 0.18 0.8 2.0 4.0

MF-RX018/250U 60 250 10.0 0.18 0.8 2.0 4.0

“U” sufﬁ x indicates product without insulation coating.

*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.

Speciﬁ cations are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

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

MF-RX/250 Series - Telecom PTC Resettable Fuses

Additional Features

■ Ability to withstand AC power cross conditions

■ Assists equipment with meeting ITU-T K.20/K.21/K.45

■ Assists equipment with meeting Telcordia GR-1089-C Intrabuilding

Product Dimensions

A B C D E Physical Characteristics

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

MF-RX012/250 6.5 11.0 5.1 ± 0.7 4.7 4.6 0.65 1 Sn/Cu

(0.256) (0.433) (0.201 ± 0.028) (0.185) (0.181) (0.026)

MF-RX012/250U 6.0 10.0 5.1 ± 0.7 4.7 3.8 0.65 2 Sn/Cu

(0.236) (0.394) (0.201 ± 0.028) (0.185) (0.150) (0.026)

MF-RX014/250 6.5 11.0 5.1 ± 0.7 4.7 4.6 0.65 1 Sn/Cu

(0.256) (0.433) (0.201 ± 0.028) (0.185) (0.181) (0.026)

MF-RX014/250U 6.0 10.0 5.1 ± 0.7 4.7 3.8 0.65 2 Sn/Cu

(0.236) (0.394) (0.201 ± 0.028) (0.185) (0.150) (0.026)

MF-RX018/250 11.0 13.6 5.1 ± 0.7 4.7 4.6 0.65 1 Sn/Cu

(0.433) (0.535) (0.201 ± 0.028) (0.185) (0.181) (0.026)

MF-RX018/250U 10.4 12.6 5.1 ± 0.7 4.7 3.8 0.65 2 Sn/Cu

(0.409) (0.496) (0.201 ± 0.028) (0.185) (0.150) (0.026)

Packaging options: BULK: 500 pcs. per bag. TAPE & REEL: 1500 pcs. per reel (available binned).

DIMENSIONS: MM

(INCHES)

Typical Part Marking

Represents total content. Layout may vary.

Thermal Derating Chart - Ihold (Amps)

Model Ambient Operating Temperature

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

MF-RX012/250 0.186 0.165 0.143 0.120 0.099 0.088 0.077 0.066 0.050

MF-RX014/250 0.225 0.199 0.172 0.145 0.119 0.106 0.093 0.080 0.060

MF-RX018/250 0.269 0.240 0.211 0.180 0.153 0.138 0.123 0.109 0.087

Itrip is approximately two times Ihold.

Style 1 Style 2

Speciﬁ cations are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

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

RX012

0 220 S

PART

IDENTIFICATION

YEAR CODE

DATE CODE

MANUFACTURER'S

TRADEMARK

LOCATION CODE:

S = CHINA

MF-RX/250 Series - Telecom PTC Resettable Fuses

How to Order

MF - RX 012/250 U - A 5 - 2

Multifuse®

Product

Designator

Series

RX = 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)

Resistance Sorted

Narrow resistance ranges - see

Resistance Options chart

Resistance Bins of 0.5 ohms

05 = 0.5 ohm binned parts (epoxy coated)

5 = 0.5 ohm binned parts (uncoated)

Packaging Options

- 0 = Bulk Packaging

- 2 = Tape and Reel* (available with binned

option)

*Packaged per EIA486-B

Typical Time to Trip at 23 ˚C

MF-RX/250, REV. L, 02/15

Resistance Options

Model

Initial Resistance

Values R1max

Bin

Ohms @ 23 ° C Ohms @ 23 ° C

Min. Max. Max.

MF-RX012/250 4.0 8.0 16.0 N/A

MF-RX012/250-A05 7.0 9.0 16.0 0.5

MF-RX012/250-C05 5.5 7.5 14.0 0.5

MF-RX012/250-F05 6.0 10.5 16.0 0.5

MF-RX012/250-105 6.0 9.0 16.0 0.5

MF-RX012/250-205 8.0 10.5 16.0 0.5

MF-RX012/250-T05 7.0 12.0 16.0 0.5

MF-RX012/250U 6.0 10.0 16.0 N/A

MF-RX014/250 3.0 6.0 14.0 N/A

MF-RX014/250-A05 3.0 5.5 12.0 0.5

MF-RX014/250-B05 4.5 6.0 14.0 0.5

MF-RX014/250U 3.5 6.5 12.0 N/A

Speciﬁ cations are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

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

100

0.10

0.01

Fault Current (Amps)

Time to Trip (Seconds)

0.5

MF-RX018/250, MF-RX018/250U

MF-RX012/250 & MF-RX012/250U

MF-RX014/250 & MF-RX014/250U

1.0 1.5 2.0 2.5 3.0

Speciﬁ cations are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

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

Devices taped using EIA468–B/IEC286-2 standards. See table below and Figures 1 through 4 for details.

DIMENSIONS: MM

(INCHES)

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))

Protrusion of cutout L L 11

max.

(.433)

Sprocket hole pitch P0 P

0 12.7 ±0.3

(0.5) (±.012)

Pitch tolerance 20 consecutive ±1

(±.039)

Device pitch 12.7 ±0.3

(0.5) (±.012)

Tape thickness t t 0.9

max.

(.035)

Tape thickness with splice t1 1.5

(.059)

max.

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)

Lead spacing 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 h n 91

max.

(3.58)

Box 67 372 362

max.

(2.64) (14.6) (14.25)

Consecutive missing places none

Empty places per reel 0.1 %

MF-RX/250 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

Speciﬁ cations are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

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

Taped Component Dimensions -

Figure 1

Applies to Models:

DIMENSIONS: MM

(INCHES)

Reel Dimensions -

Figure 2

Applies to Models:

MF-RX012/250U

MF-RX014/250U

MF-RX018/250

MF-RX018/250U

MF-RX/250 Series Tape and Reel Speciﬁ cations

MF-RX012/250U

MF-RX014/250U

MF-RX018/250

MF-RX018/250U

MF-RX/250 Series Tape and Reel Speciﬁ cations

Speciﬁ cations are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

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

Reel

Upper side

Tape

Lower side

User

direction

feed

User direction of feed

Cross section A - B

Reference plane

H0W1

Taped Component Dimensions -

Figure 3

Applies to Models:

DIMENSIONS: MM

(INCHES)

Reel Dimensions -

Figure 4

Applies to Models:

MF-RX012/250

MF-RX012/250-A

MF-RX012/250-C

MF-RX012/250-F

MF-RX012/250-1

MF-RX012/250-2

MF-RX012/250-T

MF-RX014/250

MF-RX014/250-A

MF-RX014/250-B

MF-RX014-250-T

MF-RX012/250

MF-RX012/250-A

MF-RX012/250-C

MF-RX012/250-F

MF-RX012/250-1

MF-RX012/250-2

MF-RX012/250-T

MF-RX014/250

MF-RX014/250-A

MF-RX014/250-B

MF-RX014-250-T

Mouser Electronics

Authorized Distributor

Click to View Pricing, Inventory, Delivery & Lifecycle Information:

Bourns:

MF-R014/250-2 MF-R012/250-0 MF-R014/250-0 MF-R012/250-2 MF-R012/250U-0 MF-R012/250U-2 MF-

R018/250U-0 MF-R011/250U-0 MF-R011/250U-2 MF-R014/250U-2 MF-R014/250U-0 MF-RX008/250U-2 MF-

RX018/250-2 MF-RX012/250U-15-0 MF-RX012/250U-15-2 MF-RX012/250U-25-0 MF-RX012/250U-25-2 MF-

RX012/250U-A5-0 MF-RX012/250U-A5-2 MF-RX012/250U-C5-0 MF-RX012/250U-C5-2 MF-RX012/250U-F5-0 MF-

RX012/250U-F5-2 MF-RX012/250U-T5-0 MF-RX012/250U-T5-2 MF-RX014/250U-A5-0 MF-RX014/250U-A5-2 MF-

RX014/250U-B5-0 MF-RX014/250U-B5-2 MF-RX018/250-0 MF-RX018/250F-0 MF-RX018/250F-2 MF-R008/250-0

MF-R018/250-2 MF-R008/250U-2 MF-R008/250U-0 MF-RX018/250U-0 MF-RX018/250U-2 MF-RX012/250-0 MF-

RX012/250-05 MF-RX012/250-2 MF-RX012/250-T-0 MF-RX012/250-T-2 MF-RX012/250U-0 MF-RX012/250U-2 MF-

RX014/250-0 MF-RX014/250-2 MF-RX014/250U-0 MF-RX014/250U-2 MF-RX012/250-2-0 MF-RX012/250-2-2