MF-SMDF030 Datasheet, PDF (1/4 Pages) Bourns Electronic Solutions – PTC Resettable Fuses

NEW!
Features
■ Very low profile
■ High voltage
■ Lead-free construction
■ Symmetrical
■ 2018 footprint
■ Agency recognition pending
Applications
■ Power Over Ethernet (IEEE 802.3 af) port
protection
■ Firewire and i.Link IEEE 1394 port
protection
■ Automotive electronic control module
protection
■ Telecom equipment low voltage
protection
MF-SMDF Series - PTC Resettable Fuses
Electrical Characteristics
Model
V max.
Volts
MF-SMDF030
60
MF-SMDF050
60
MF-SMDF100
15
MF-SMDF150
15
MF-SMDF150/33
33
MF-SMDF200
10
I max.
Amps
20
10
40
40
40
40
Ihold
Itrip
Amperes
at 23 °C
Hold
Trip
0.30
0.80
0.55
1.20
1.10
2.20
1.50
3.00
1.50
3.00
2.00
4.10
Resistance
Ohms
at 23 °C
RMin. R1Max.
0.450
2.250
0.200
0.950
0.100
0.390
0.070
0.175
0.070
0.175
0.048
0.095
Max. Time
To Trip
Amperes Seconds
at 23 °C at 23 °C
1.5
1.5
2.5
4.0
8.0
0.5
8.0
0.9
8.0
0.9
8.0
2.7
Tripped
Power
Dissipation
Watts
at 23 °C
Typ.
0.7
1.0
1.1
1.2
1.2
1.3
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
Thermal Derating Chart - Ihold / Itrip (Amps)
Model
MF-SMDF030
MF-SMDF050
MF-SMDF100
MF-SMDF150
MF-SMDF150/33
MF-SMDF200
-40 ˚C
0.48 / 0.96
0.86 / 1.72
1.59 / 3.18
2.21 / 4.42
2.21 / 4.42
2.81 / 5.62
-20 ˚C
0.42 / 0.84
0.77 / 1.54
1.43 / 2.86
1.97 / 3.94
1.97 / 3.94
2.54 / 5.08
0 ˚C
0.35 / 0.70
0.70 / 1.40
1.20 / 2.40
1.70 / 3.40
1.70 / 3.40
2.27 / 4.54
Ambient Operating Temperature
23 ˚C
0.30 / 0.60
0.55 / 1.10
1.10 / 2.20
1.50 / 3.00
1.50 / 3.00
2.00 / 4.00
40 ˚C
0.24 / 0.48
0.48 / 0.96
0.94 / 1.88
1.26 / 2.52
1.26 / 2.52
1.73 / 3.46
50 ˚C
0.21 / 0.42
0.43 / 0.86
0.85 / 1.70
1.15 / 2.30
1.15 / 2.30
1.59 / 3.18
60 ˚C
0.17 / 0.34
0.38 / 0.76
0.72 / 1.44
1.00 / 2.00
1.00 / 2.00
1.46 / 2.92
70 ˚C
0.15 / 0.30
0.36 / 0.72
0.69 / 1.38
0.91 / 1.82
0.91 / 1.82
1.32 / 2.64
85 ˚C
0.10 / 0.20
0.26 / 0.52
0.57 / 1.14
0.73 / 1.46
0.73 / 1.46
1.12 / 2.24
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.