MF-USMD010-2 - Bourns - Product.Network

Specifications are subject to change without notice.Specifications are subject to change without notice.

Electrical Characteristics

Max. Time Tripped

Ihold Itrip To Trip Power

Resistance Dissipation

Model Amperes Ohms Amperes Seconds Watts

V max. I max.

at 23 °C at 23 °C at 23 °C at 23 °C at 23 °C

Volts Amps

Hold Trip RMin. R1Max. Typ.

MF-USMD005 30.0 10 0.05 0.15 2.80 50.0 0.25 1.5 0.8

MF-USMD010 30.0 10 0.10 0.30 0.80 15.0 0.5 0.6 0.8

MF-USMD020 30.0 10 0.20 0.40 0.40 5.00 8.0 0.02 0.8

MF-USMD035 6.0 40 0.35 0.75 0.20 1.30 8.0 0.2 1.0

MF-USMD050 13.2 40 0.50 1.00 0.18 0.90 8.0 0.1 1.0

MF-USMD075 6.0 40 0.75 1.50 0.07 0.450 8.0 0.1 1.2

MF-USMD110 6.0 40 1.10 2.20 0.05 0.210 5.0 1.0 1.2

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....................±10 % 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

Condition A

Environmental Characteristics

Test Test Conditions Accept/Reject Criteria

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 ....................................MIL-STD-202F, Method 208F ........................................95 % min. coverage

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

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

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

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

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

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

Test Procedures And Requirements For Model MF-USMD Series

Thermal Derating Chart - Ihold (Amps)

Ambient Operating Temperature

Model -40 ˚C -20 ˚C 0 ˚C 23 ˚C 40 ˚C 50 ˚C 60 ˚C 70 ˚C 85˚C

MF-USMD005 0.08 0.07 0.06 0.05 0.04 0.04 0.03 0.03 0.02

MF-USMD010 0.16 0.14 0.12 0.10 0.08 0.07 0.06 0.05 0.04

MF-USMD020 0.32 0.28 0.24 0.20 0.16 0.14 0.12 0.10 0.06

MF-USMD035 0.47 0.45 0.40 0.35 0.33 0.28 0.24 0.21 0.18

MF-USMD050 0.76 0.67 0.58 0.50 0.43 0.40 0.36 0.32 0.28

MF-USMD075 1.00 0.97 0.86 0.75 0.64 0.59 0.54 0.48 0.40

MF-USMD110 1.60 1.42 1.26 1.10 0.94 0.86 0.80 0.70 0.58

MF-USMD Series - PTC Resettable Fuses

Features

■Very small size 1210 footprint - 44 %

smaller design than MF-MSMD Series

■Fast tripping resettable circuit protection

■Surface mount packaging for automated

assembly

■Agency recognition:

Applications

■PC motherboards

■PC modems

■USB

■Analog and digital line cards

■IEEE 1394

■General electronics: Phones, fax machines,

televisions, printers, video equipment

®®

TÜV Rheinland

Product Safety

Specifications are subject to change without notice.Specifications are subject to change without notice.

Terminal material: solder-plated copper

Termination pad solderability: Meets EIA Specification RS-186-9E, ANSI/J-STD-002 Category 3.

Top and Bottom View Side View

Product Dimensions

Packaging: 3000 pcs. per reel.

MF-USMD Series - PTC Resettable Fuses

ABCD

Model Min. Max. Min. Max. Min. Max. Min.

MF-USMD005 3.00 3.43 2.35 2.80 0.50 0.85 0.30

(0.118) (0.135) (0.093) (0.110) (0.020) (0.033) (0.012)

MF-USMD010 3.00 3.43 2.35 2.80 0.50 0.85 0.30

(0.118) (0.135) (0.093) (0.110) (0.020) (0.033) (0.012)

MF-USMD020 3.00 3.43 2.35 2.80 0.50 0.85 0.30

(0.118) (0.135) (0.093) (0.110) (0.020) (0.033) (0.012)

MF-USMD035 3.00 3.43 2.35 2.80 0.38 0.62 0.30

(0.118) (0.135) (0.093) (0.110) (0.015) (0.025) (0.012)

MF-USMD050 3.00 3.43 2.35 2.80 0.38 0.62 0.30

(0.118) (0.135) (0.093) (0.110) (0.015) (0.024) (0.012)

MF-USMD075 3.00 3.43 2.35 2.80 0.38 0.62 0.30

(0.118) (0.135) (0.093) (0.110) (0.015) (0.025) (0.012)

MF-USMD110 3.00 3.43 2.35 2.80 0.30 0.48 0.30

(0.118) (0.135) (0.093) (0.110) (0.012) (0.019) (0.012)

Typical Part Marking

Represents total content. Layout may vary.

051

MANUFACTURER'S

TRADEMARK

YEAR CODE -

2001 = 1

PART IDENTIFICATION

BIWEEKLY DATE CODE -

WEEK 51 & 52 = Z

160–220

300

250

200

150

100

10–20

Temperature (°C)

120

Preheating Soldering Cooling

Time (seconds)

Solder Reflow Recommendations

Additional Features

■Patents pending

Note:

•MF-USMD models can be wave soldered and reworked.

•If reflow temperatures exceed the recommended profile, devices may not meet the performance

requirements.

Recommended Pad Layout

2.6 ± 0.1

(.102 ± .004)

1.70 ± 0.1

(.067 ± .004)

1.1 ± 0.1

(.043 ± .004) 1.1 ± 0.1

(.043 ± .004)

(INCHES)

UNIT =

Specifications are subject to change without notice.Specifications are subject to change without notice.

How to Order

MF - USMD 005 - 2

Multifuse®Product

Designator

Series

USMD = 1210 Surface Mount Component

Hold Current, Ihold

005-110 (0.05 Amps - 1.10 Amps)

Packaging

Packaged per EIA 481-1

-2 = Tape and Reel

Typical Time to Trip at 23 ˚C

100

0.1

0.01

0.001 10.1 10

Fault Current (Amps)

Time to trip (Seconds)

MF-USMD010

MF-USMD020

MF-USMD035

MF-USMD050

MF-USMD075

MF-USMD110

MF-USMD005

MF-USMD Series - PTC Resettable Fuses

MF-USMD SERIES, REV. M, 04/03

MF-MSMD Series MF-USMD Series MF-ESMD Series

Tape Dimensions per EIA-481-1 per EIA 481-1 per EIA 481-2

B1max.

E2min.

T max.

T1max.

Leader min.

Trailer min.

Reel Dimensions

A max.

N min.

W2 max.

Specifications are subject to change without notice.

MF-MSMD, MF-USMD & MF-ESMD Series Tape and Reel Specs

N(HUB DIA.)

(MEASURED

AT HUB)

COVER

TAPE

T1A0

(MEASURED

AT HUB)

D0P2P0

UNIT = MM

(INCHES)

12.0 ± 0.30

(0.472 ± 0.012) 8.0 ± 0.30

(0.315 ± 0.012)

4.0 ± 0.10

(0.157 ± 0.004) 4.0 ± 0.10

(0.157 ± 0.004)

8.0 ± 0.10

(0.315 ± 0.004) 4.0 ± 0.10

(0.157 ± 0.004)

2.0 ± 0.05

(0.079 ± 0.002) 2.0 ± 0.05

(0.079 ± 0.002)

3.66 ± 0.15

(0.144 ± 0.006) 2.76 ± 0.10

(0.109 ± 0.004)

4.98 ± 0.10

(0.196 ± 0.004)

5.5 ± 0.05

(0.217 ± 0.002) 3.5 ± 0.05

(0.138 ± 0.002)

1.75 ± 0.10

(0.069 ± 0.004) 1.75 ± 0.10

(0.069 ± 0.004)

0.95 ± 0.10

(0.037 ± 0.004)

1.5 + 0.10/-0.00

(0.059 + 0.004/-0) 1.50 + 0.1/-0.0

(0.059 + 0.004/-0)

12.4 + 2.0/-0.0

(0.488 + 0.079/-0.0) 8.4 + 1.5/-0.0

(0.331 + 0.059/-0)

5.9

(0.232) 4.35

(0.171)

10.25

(0.404) 6.25

(0.246)

0.6

(0.024) 0.6

(0.024)

0.1

(0.004) 0.1

(0.004)

390

(15.35) 390

(15.35)

160

(6.30) 160

(6.30)

185

(7.28) 185

(7.28)

(1.97) 50

(1.97)

18.4

(0.724) 14.4

(0.567)

24.0 ± 0.3

(0.945 ± 0.012)

4.0 ± 0.1

(0.157 ± 0.004)

8.0 ± 0.1

(0.315 ± 0.004)

2.0 ± 0.1

(0.079 ± 0.004)

5.65 ± 0.1

(0.222 ± 0.004)

11.86 ± 0.1

(0.467 ± 0.004)

11.5 ± 0.10

(0.453 ± 0.004)

1.75 ± 0.10

(0.069 ± 0.004)

0.85 ± 0.1

(0.033 ± 0.004)

1.5 + 0.1/-0.0

(0.059 + 0.004/-0)

24.4 + 2.0/ -0.0

(0.961 + 0.079/-0)

20.1

(0.791)

22.25

(0.876)

0.6

(0.024)

0.1

(0.004)

390

(15.35)

160

(6.30)

360

(14.17)

(2.36)

30.4

(1.20)

MF-USMD005,010,020: 2.93 ± 0.15

(0.115 ± 0.006)

MF-USMD035,050,075,110:

3.5 ± 0.1

(0.138 ± 0.004)

MF-USMD005,010,020: 3.56 ± 0.1

(0.140 ± 0.004)

MF-USMD035,050,075,110:

1.07 ± 0.10

(0.042 ± 0.004)

MF-USMD005,010,020: 0.75 ± 0.10

(0.030 ± 0.004)

MF-USMD035,050,075,110: