MF-SMDF_10 Datasheet, PDF (1/4 Pages) Bourns Electronic Solutions – PTC Resettable Fuses

*RoHS ^COMPLIANT
Features
■ Very low profile
■ Very fast tripping time
■ High voltage
■ RoHS compliant* and halogen free**
■ Symmetrical
■ 2018 footprint
■ Agency recognition:
Applications
■ Power Over Ethernet (IEEE 802.3 af) port
protection
■ Automotive electronic control module
protection
■ Telecom equipment low voltage
protection
MF-SMDF Series - PTC Resettable Fuses
Electrical Characteristics
Model
V max.
Volts
I max.
Amps
MF-SMDF050
60
10
MF-SMDF150***
15
40
MF-SMDF200****
10
40
*** UL approved, TÜV pending.
****Agency approval pending.
Ihold
Itrip
Amperes
at 23 °C
Hold
Trip
0.55
1.20
1.5
3.00
2.0
4.00
Resistance
Ohms
at 23 °C
RMin.
R1Max.
0.200
1.0
0.05
0.17
0.03
0.100
Max. Time
To Trip
Amperes Seconds
at 23 °C at 23 °C
2.5
3.0
8.0
0.8
8.0
2.40
Tripped
Power
Dissipation
Watts
at 23 °C
Typ.
0.9
1.1
1.1
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
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.......................................................... ANSI/J-STD-002................................................... 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
Thermal Derating Chart - Ihold/Itrip (Amps)
Model
MF-SMDF050
MF-SMDF150
MF-SMDF200
-40 °C
0.87 / 1.90
2.38 / 4.76
2.95 / 5.90
-20 °C
0.77 / 1.68
2.10 / 4.20
2.65 / 5.30
0 °C
0.67 / 1.46
1.82 / 3.64
2.35 / 4.70
Ambient Operating Temperature
23 °C
40 °C
50 °C
0.55 / 1.20 0.46 / 1.00 0.41 / 0.89
1.50 / 3.00 1.27 / 2.54 1.13 / 2.26
2.00 / 4.00 1.74 / 3.48 1.59 / 3.18
60 °C
0.36 / 0.79
0.99 / 1.98
1.44 / 2.88
70 °C
0.31 / 0.68
0.85 / 1.70
1.29 / 2.58
85 °C
0.23 / 0.50
0.64 / 1.28
1.06 / 2.12
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
**To be considered halogen free, each homogenous material can have a maximum concentration of 900 ppm of either bromine or chlorine.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.