MF-USMD035-2 Bourns Inc., MF-USMD035-2 Datasheet

FUSE RESETTABLE .35A HOLD SMD

MF-USMD035-2

Manufacturer Part Number
MF-USMD035-2
Description
FUSE RESETTABLE .35A HOLD SMD
Manufacturer
Bourns Inc.
Series
MF-USMDr
Type
PTC Resettable Fusesr
Datasheets

Specifications of MF-USMD035-2

Package / Case
1210 (3225 Metric)
R Min/max
0.200 ~ 1.300 Ohm
Voltage - Max
6V
Time To Trip
0.2s
Current - Hold (ih) (max)
350mA
Current - Trip (it)
750mA
Current - Max
40A
Hold Current
0.35 Amp
Trip Current
0.75 Amp
Current Rating (max)
40 Amps
Resistance
1.3 Ohms
Maximum Voltage
6 VoltsDC
Termination Style
SMD/SMT
Mounting Style
SMD/SMT
Current Rating
40 Amps
Dimensions
3.43 mm L x 2.8 mm W x 0.62 mm H
Operating Temperature Range
- 40 C to + 85 C
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
MF-MSMD035-02
MF-MSMD035TR
MF-USMD035-02
MF-USMD035TR

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MF-USMD035-2
Manufacturer:
BOURNS
Quantity:
73 540
Part Number:
MF-USMD035-2
Manufacturer:
BOURNS
Quantity:
11 277
Specifications are subject to change without notice.
Specifications are subject to change without notice.
Operating/Storage 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....................±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
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 ....................................MIL-STD-202F, Method 208F ........................................95 % min. coverage
UL File Number ..................................E174545
CSA File Number ................................CA110338
TÜV Certificate Number ......................R 02057213
Thermal Derating Chart - I hold (Amps)
Electrical Characteristics
in Tripped State ................................................125 °C
MF-USMD005
MF-USMD010
MF-USMD020
MF-USMD035
MF-USMD050
MF-USMD075
MF-USMD110
MF-USMD005
MF-USMD010
MF-USMD020
MF-USMD035
MF-USMD050
MF-USMD075
MF-USMD110
Model
Environmental Characteristics
Test Procedures And Requirements For Model MF-USMD Series
Model
-40 ˚C
0.08
0.16
0.32
0.47
0.76
1.00
1.60
V max.
Volts
30.0
30.0
30.0
13.2
6.0
6.0
6.0
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
-20 ˚C
0.07
0.14
0.28
0.45
0.67
0.97
1.42
I max.
Amps
10
10
10
40
40
40
40
Condition A
MF-USMD Series -
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:
0.06
0.12
0.24
0.40
0.58
0.86
1.26
0 ˚C
I hold
Hold
0.05
0.10
0.20
0.35
0.50
0.75
1.10
Amperes
at 23 °C
Ambient Operating Temperature
23 ˚C
0.05
0.10
0.20
0.35
0.50
0.75
1.10
I trip
0.15
0.30
0.40
0.75
1.00
1.50
2.20
Trip
®
40 ˚C
0.04
0.08
0.16
0.33
0.43
0.64
0.94
®
TÜV Rheinland
Product Safety
PTC Resettable Fuses
R Min.
2.80
0.80
0.40
0.20
0.18
0.07
0.05
Resistance
at 23 °C
Ohms
Accept/Reject Criteria
50 ˚C
0.04
0.07
0.14
0.28
0.40
0.59
0.86
R 1Max.
0.450
0.210
50.0
15.0
5.00
1.30
0.90
Applications
PC motherboards
PC modems
USB
Analog and digital line cards
IEEE 1394
General electronics: Phones, fax machines,
televisions, printers, video equipment
Amperes
60 ˚C
at 23 °C
0.03
0.06
0.12
0.24
0.36
0.54
0.80
0.25
0.5
8.0
8.0
8.0
8.0
5.0
Max. Time
To Trip
Seconds
at 23 °C
70 ˚C
0.03
0.05
0.10
0.21
0.32
0.48
0.70
0.02
1.5
0.6
0.2
0.1
0.1
1.0
Dissipation
at 23 °C
Tripped
Watts
85˚C
Power
0.02
0.04
0.06
0.18
0.28
0.40
0.58
Typ.
0.8
0.8
0.8
1.0
1.0
1.2
1.2

Related parts for MF-USMD035-2

MF-USMD035-2 Summary of contents

Page 1

... Humidity Aging....................................................+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 Test Procedures And Requirements For Model MF-USMD Series Test Test Conditions Visual/Mech.....................................Verify dimensions and materials ....................................Per MF physical description Resistance ......................................In still air @ 23 ° ...

Page 2

... Preheating 300 250 200 150 100 50 0 160–220 Note: • MF-USMD models can be wave soldered and reworked. • If reflow temperatures exceed the recommended profile, devices may not meet the performance requirements. PTC Resettable Fuses A B Max. Min. 3.43 2.35 (0.135) (0 ...

Page 3

... MF-USMD SERIES, REV. M, 04/03 Specifications are subject to change without notice. Specifications are subject to change without notice. PTC Resettable Fuses 1 Fault Current (Amps) How to Order MF - USMD 005 - 2 Multifuse ® Product Designator Series USMD = 1210 Surface Mount Component Hold Current, I hold 005-110 (0.05 Amps - 1.10 Amps) ...

Page 4

... MF-MSMD, MF-USMD & MF-ESMD Series Tape and Reel Specs MF-MSMD Series Tape Dimensions max min. T max max Leader min. Trailer min. Reel Dimensions A max. N min max COVER TAPE MF-USMD Series per EIA-481-1 12.0 ± 0.30 (0.472 ± 0.012) 4.0 ± 0.10 (0.157 ± ...

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