PTC RESETTABLE .55A 60V 2018

MF-SMDF050-2

Manufacturer Part NumberMF-SMDF050-2
DescriptionPTC RESETTABLE .55A 60V 2018
ManufacturerBourns Inc.
SeriesMF-SMDF
TypePTC Resettable Fuses
MF-SMDF050-2 datasheets
 


Specifications of MF-SMDF050-2

Package / Case2018R Min/max0.200 ~ 1.000 Ohm
Voltage - Max60VTime To Trip3s
Current - Hold (ih) (max)550mACurrent - Trip (it)1.2A
Current - Max10AHold Current0.55 Amp
Trip Current1.2 AmpsCurrent Rating (max)10 Amps
Resistance0.95 OhmsMaximum Voltage60 VoltsDC
Termination StyleSMD/SMTMounting StyleSMD/SMT
Current Rating10 AmpsDimensions5.44 mm L x 4.93 mm W x 1.09 mm H
Operating Temperature Range- 40 C to + 85 CBrand/seriesMF-SMDF Series
Current, Rating10 AMounting TypePCB
Primary TypeResettableResistance, Dc0.2 Ohms
Size2018TerminationSMT
Voltage, Rating60 VDCHolding Current550mA
Tripping Current1.2AInitial Resistance Max1ohm
Operating Voltage60VPtc Fuse Case2018
External Depth0.94mmInitial Resistance Min0.2ohm
Rohs CompliantYesLead Free Status / RoHS StatusLead free / RoHS Compliant
Other namesMF-SMDF050-2TR  
1
Page 1
2
Page 2
3
Page 3
4
Page 4
Page 1/4

Download datasheet (366Kb)Embed
Next
Electrical Characteristics
V max.
I max.
Model
Amps
Volts
MF-SMDF050
60
10
MF-SMDF150***
15
40
MF-SMDF200****
10
40
*** UL approved, TÜV pending.
****Agency approval pending.
Environmental Characteristics
Operating 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 ..................................................... +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
Test Procedures And Requirements For Model MF-SMDF Series
Test
Visual/Mech. ......................................................... Verify dimensions and materials ........................... Per MF physical description
Resistance ............................................................ In still air @ 23 °C .................................................. Rmin ≤ R ≤ R1max
Time to Trip ........................................................... At specifi ed 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 Certifi cate Number ....................................... R 02057213
Thermal Derating Chart - I hold /I trip (Amps)
Model
-40 °C
-20 °C
MF-SMDF050
0.87 / 1.90
0.77 / 1.68
MF-SMDF150
2.38 / 4.76
2.10 / 4.20
MF-SMDF200
2.95 / 5.90
2.65 / 5.30
**To be considered halogen free, each homogenous material can have a maximum concentration of 900 ppm of either bromine or chlorine.
Features
Very low profi le
Very fast tripping time
High voltage
RoHS compliant* and halogen free**
Symmetrical
2018 footprint
Agency recognition:
MF-SMDF Series - PTC Resettable Fuses
I hold
I trip
Resistance
Amperes
Ohms
at 23 °C
at 23 °C
R Min.
R 1Max.
Hold
Trip
0.55
1.20
0.200
1.5
3.00
0.05
2.0
4.00
0.03
Test Conditions
http://www.ul.com/ Follow link to Certifi cations, then UL File No., enter E174545
http://directories.csa-international.org/ Under “Certifi cation Record” and “File Number”
enter 110338-0-000
http://www.tuvdotcom.com/ Follow link to “other certifi cates”, enter File No. 2057213
Ambient Operating Temperature
0 °C
23 °C
40 °C
0.67 / 1.46
0.55 / 1.20
0.46 / 1.00
1.82 / 3.64
1.50 / 3.00
1.27 / 2.54
2.35 / 4.70
2.00 / 4.00
1.74 / 3.48
Customers should verify actual device performance in their specifi c applications.
Applications
Power Over Ethernet (IEEE 802.3 af) port
protection
Automotive electronic control module
protection
Telecom equipment low voltage
protection
Tripped
Max. Time
To Trip
Dissipation
Amperes
Seconds
at 23 °C
at 23 °C
at 23 °C
1.0
2.5
3.0
0.17
8.0
0.8
0.100
8.0
2.40
Accept/Reject Criteria
50 °C
60 °C
70 °C
0.41 / 0.89
0.36 / 0.79
0.31 / 0.68
1.13 / 2.26
0.99 / 1.98
0.85 / 1.70
1.59 / 3.18
1.44 / 2.88
1.29 / 2.58
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specifi cations are subject to change without notice.
Power
Watts
Typ.
0.9
1.1
1.1
85 °C
0.23 / 0.50
0.64 / 1.28
1.06 / 2.12

MF-SMDF050-2 Summary of contents

  • Page 1

    ... Condition A Test Procedures And Requirements For Model MF-SMDF Series Test Visual/Mech. ......................................................... Verify dimensions and materials ........................... Per MF physical description Resistance ............................................................ In still air @ 23 °C .................................................. Rmin ≤ R ≤ R1max Time to Trip ........................................................... At specifi ed current, Vmax, 23 °C ........................ T ≤ max. time to trip (seconds) Hold Current ......................................................... 30 min. at Ihold ..................................................... No trip Trip Cycle Life ...

  • Page 2

    ... MF-SMDF Series - PTC Resettable Fuses Product Dimensions A Model Min. 4.72 MF-SMDF050 (0.186) 4.72 MF-SMDF150 (0.186) 4.72 MF-SMDF200 (0.186) Packaging: 6000 pcs. per reel. Top and Bottom View Side View Typical Time to Trip at 23 ˚C 100 10 MF-SMDF050 1 0.1 0.01 0.001 0.1 1 Fault Current (Amps) B Max ...

  • Page 3

    ... Time (seconds) Notes: • MF-SMDF models cannot be wave soldered. Please contact Bourns for hand soldering recommendations. • If refl ow temperatures exceed the recommended profi le, devices may not meet the performance requirements. • Compatible with Pb and Pb-free solder refl ow profi les. ...

  • Page 4

    ... MF-SMDF 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 Customers should verify actual device performance in their specific applications. MF-SMDF Series per EIA 481-2 16.0 ± 0.3 (0.630 ± 0.012) 4.0 ± ...