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MF-R Datasheet, PDF (1/6 Pages) Bourns Electronic Solutions – PTC Resettable Fuses
*RoHS COMPLIANT
0R118100T
Features
■ Radial Leaded Devices
■ Cured, flame retardant epoxy polymer
insulating material meets UL 94V-0
requirements
■ RoHS compliant*
■ Agency recognition:
T V Rheinland
Applications
Almost anywhere there is a low voltage
power supply and a load to be protected,
including:
■ Computers & peripherals
■ General electronics
■ Automotive applications
MF-R Series - PTC Resettable Fuses
Electrical Characteristics
Model
V max.
Volts
I max.
Amps
MF-R005
60
40
MF-R010
60
40
MF-R017
60
40
MF-R020
60
40
MF-R025
60
40
MF-R030
60
40
MF-R040
60
40
MF-R050
60
40
MF-R065
60
40
MF-R075
60
40
MF-R090
60
40
MF-R090-0-9
30
40
MF-R110
30
40
MF-R135
30
40
MF-R160
30
40
MF-R185
30
40
MF-R250
30
40
MF-R250-0-10 30
40
MF-R300
30
40
MF-R400
30
40
MF-R500
30
40
MF-R600
30
40
MF-R700
30
40
MF-R800
30
40
MF-R900
30
40
MF-R1100
16
100
Ihold
Itrip
Amperes
at 23 °C
Hold
0.05
0.10
0.17
0.20
0.25
0.30
0.40
0.50
0.65
0.75
0.90
0.90
1.10
1.35
1.60
1.85
2.50
2.50
3.00
4.00
5.00
6.00
7.00
8.00
9.00
11.00
Trip
0.10
0.20
0.34
0.40
0.50
0.60
0.80
1.00
1.30
1.50
1.80
1.80
2.20
2.70
3.20
3.70
5.00
5.00
6.00
8.00
10.00
12.00
14.00
16.00
18.00
22.00
Initial
Resistance
Ohms
at 23 °C
Min.
7.3
2.50
2.00
1.50
1.00
0.76
0.52
0.41
0.27
0.18
0.14
0.07
0.10
0.065
0.055
0.040
0.025
0.025
0.020
0.010
0.010
0.005
0.005
0.005
0.005
0.003
Max.
11.1
4.50
3.20
2.84
1.95
1.36
0.86
0.77
0.48
0.40
0.31
0.12
0.18
0.115
0.105
0.07
0.048
0.048
0.05
0.03
0.03
0.02
0.02
0.02
0.01
0.01
1 Hour (R1)
Post-Trip
Resistance
Max. Time
To Trip
Ohms
at 23 °C
Max.
22.0
7.50
8.00
4.40
3.00
2.10
1.29
1.17
0.72
0.60
0.47
0.22
0.27
0.17
0.15
0.11
0.07
0.07
0.08
0.05
0.05
0.04
0.03
0.03
0.02
0.014
Amperes
at 23 °C
0.5
0.5
0.85
1.0
1.25
1.5
2.0
2.5
3.25
3.75
4.5
4.5
5.5
6.75
8.0
9.25
12.5
12.5
15.0
20.0
25.0
30.0
35.0
40.0
45.0
40.0
Seconds
at 23 °C
5.0
4.0
3.0
2.2
2.5
3.0
3.8
4.0
5.3
6.3
7.2
5.9
6.6
7.3
8.0
8.7
10.3
10.3
10.8
12.7
14.5
16.0
17.5
18.8
*20.0
20.0
Tripped
Power
Dissipation
Watts
at 23 °C
Typ.
0.22
0.38
0.48
0.40
0.45
0.50
0.55
0.75
0.90
0.90
1.00
0.60
0.70
0.80
0.90
1.00
1.20
1.20
2.00
2.50
3.00
3.50
3.80
4.00
4.20
4.50
Environmental Characteristics
*Tested at 40 amps
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....................±5 % typical resistance change
Thermal Shock ....................................................-40 °C to +85 °C, 10 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-R 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 ≤ Rmax
Time to Trip ........................................................5 times Ihold, 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
UL File Number ..................................................E 174545S
CSA File Number ................................................CA 110338
TÜV File Number ................................................R2057213
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex. Product manufactured with a date code later than April 1, 2005 is RoHS compliant.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.