MF-USMF050-2 Bourns Inc., MF-USMF050-2 Datasheet

MF-USMF050-2

Manufacturer Part Number

MF-USMF050-2

Description

FUSE RESETTABLE .50A 13.2V SMD

Manufacturer

Bourns Inc.

Series

MF-USMFr

Type

Fast Actingr

Datasheets

1.MF-USMF110-2.pdf (4 pages)

2.MF-USMF005-2.pdf (4 pages)

Specifications of MF-USMF050-2

R Min/max

0.180 ~ 0.900 Ohm

Voltage - Max

13.2V

Time To Trip

0.1s

Current - Hold (ih) (max)

500mA

Current - Trip (it)

Current - Max

40A

Package / Case

1210 (3225 Metric)

Holding Current

500mA

Tripping Current

Initial Resistance Max

0.9ohm

Operating Voltage

13.2V

Ptc Fuse Case

1210

Initial Resistance Min

0.18ohm

Length

3.22mm

Brand/series

MF-USMF Series

Current, Rating

40 A

Dimensions

0.135x0.11x0.033 "

Mounting Type

PCB

Primary Type

Resettable

Resistance, Dc

0.18 Ohms

Size

1210

Termination

SMT

Voltage, Rating

13.2 VDC

External Depth

0.8mm

Rohs Compliant

Yes

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Lead Free Status / RoHS Status

Lead free / RoHS Compliant, Lead free / RoHS Compliant

Other names

MF-USMF050-2TR

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

MF-USMF050-2

Manufacturer:

Littelfuse

Quantity:

40 000

Company:

Amily Shenzhen XNWY Technology Co., Ltd

Part Number:

MF-USMF050-2

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

MF-USMF050-2-M7

Manufacturer:

BOURNS

Quantity:

6 150

Current page: 1 of 4
Download datasheet (304Kb)

* CSA approval pending.

Operating 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 -40 °C, 20 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 ≤ R1max

Time to Trip ....................................At specified current, 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

Solderability ....................................ANSI/J-STD-002 ............................................................95 % min. coverage

UL File Number ..................................E174545

CSA File Number ..............................CA110338

TÜV Certificate Number ....................R 02057213

Electrical Characteristics

MF-USMF005

MF-USMF010

MF-USMF020

MF-USMF035

MF-USMF050

MF-USMF075

MF-USMF110

MF-USMF150

MF-USMF175X*

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

Environmental Characteristics

Test Procedures And Requirements For Model MF-USMF Series

Model

V max.

Volts

13.2

http://www.ul.com/ Follow link to Certifications, then UL File No., enter E174545

http://directories.csa-international.org/ Under “Certification Record” and “File Number” enter 110338-0-000

http://www.tuvdotcom.com/ Follow link to “other certificates”, enter File No. 2057213

Test Conditions

I max.

Amps

Condition A

MF-USMF Series -

Features

Fast tripping resettable circuit protection

Surface mount packaging for automated

assembly

Small footprint size (1210)

RoHS compliant*

Agency recognition*:

I hold

Hold

0.05

0.10

0.20

0.35

0.50

0.75

1.10

1.50

1.75

Amperes

at 23 °C

Trip

0.15

0.30

0.40

0.75

1.00

1.50

2.20

3.00

3.50

I trip

Customers should verify actual device performance in their specific applications.

PTC Resettable Fuses

R Min.

T V Rheinland

2.800

0.800

0.400

0.200

0.180

0.070

0.050

0.030

0.020

Resistance

at 23 °C

Accept/Reject Criteria

Ohms

R 1Max.

50.000

15.000

5.000

1.300

0.900

0.450

0.210

0.110

0.090

Applications

Game consoles

PC motherboards

USB current-limiting compliance

IEEE 1394 ports

Mobile phones

Digital cameras

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

Specifications are subject to change without notice.

Amperes

at 23 °C

0.25

0.50

8.00

5.00

8.00

Max. Time

To Trip

Seconds

at 23 °C

1.50

0.60

0.02

0.20

0.10

1.00

5.00

1.00

Dissipation

at 23 °C

Tripped

Watts

Power

Typ.

0.6

0.7

Related parts for MF-USMF050-2

MF-USMF050-2 Summary of contents

Page 1

... Humidity Aging....................................................+85 ° R.H. 1000 hours ..................±5 % typical resistance change Thermal Shock ....................................................+85 °C to -40 °C, 20 times ........................±10 % typical resistance change Solvent Resistance ............................................MIL-STD-202, Method 215 ........................No change Vibration ..............................................................MIL-STD-883C, Method 2007.1, ................No change Test Procedures And Requirements For Model MF-USMF Series Test Test Conditions Visual/Mech.....................................Verify dimensions and materials ....................................Per MF physical description Resistance ......................................In still air @ 23 ° ...

Page 2

... Termination pad solderability: Standard Au finish: Meets ANSI/J-STD-002 Category 2. Recommended Storage: 40 °C max./ max. Notes: • MF-USMF models cannot be wave soldered. • If reflow temperatures exceed the recommended profile, devices may not meet the performance requirements. • Compatible with Pb and Pb-free solder reflow profiles. D Min. ...

Page 3

... How to Order MF - USMF 010 Multifuse ® Product Designator Series USMF = 1210 Surface Mount Component Hold Current, I hold 005-175 (0.05-1.75 Amps) Expansion Free Design Packaging Packaged per EIA 481 Tape and Reel Typical Part Marking Represents total content ...

Page 4

... MF-USMF Series Tape and Reel Specifications Tape Dimensions max min. T max max Leader min. Trailer min. Reel Dimensions A max. N min max COVER TAPE Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications MF-USMF Series per EIA 481-2 8.0 ± ...

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