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MF-RX110 Datasheet(PDF) 1 Page - Bourns Electronic Solutions

Part # MF-RX110
Description  PTC Resettable Fuses
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Manufacturer  BOURNS [Bourns Electronic Solutions]
Direct Link  http://www.bourns.com
Logo BOURNS - Bourns Electronic Solutions

MF-RX110 Datasheet(HTML) 1 Page - Bourns Electronic Solutions

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Environmental Characteristics
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-RX 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
Electrical Characteristics
Model
V max.
Volts
I max.
Amps
Ihold
Itrip
Initial
Resistance
1 Hour (R1)
Post-Trip
Resistance
Max. Time
to Trip
Tripped
Power
Dissipation
Amperes
at 23 °C
Ohms
at 23 °C
Ohms
at 23 °C
Amperes
at 23 °C
Seconds
at 23 °C
Watts
at 23 °C
Hold
Trip
Min.
Max.
Max.
Typ.
MF-RX110
60
40
1.10
2.20
0.15
0.25
0.38
5.5
8.2
1.50
MF-RX135
60
40
1.35
2.70
0.12
0.19
0.30
6.75
9.6
1.70
MF-RX160
60
40
1.60
3.20
0.09
0.14
0.22
8.0
11.4
1.90
MF-RX185
60
40
1.85
3.70
0.08
0.12
0.19
9.25
12.6
2.10
MF-RX250
60
40
2.50
5.00
0.05
0.08
0.13
12.5
15.6
2.50
MF-RX300
60
40
3.00
6.00
0.04
0.06
0.10
15.0
19.8
2.80
MF-RX375
60
40
3.75
7.50
0.03
0.05
0.08
18.75
24.0
3.20
Features
Radial Leaded Devices
Cured, flame retardant epoxy polymer
insulating material meets UL 94V-0
requirements
Agency recognition:
RoHS compliant*
MF-RX Series - PTC Resettable Fuses
X110
0180T
R
The MF-RX Series is currently
available, although not recommended
for new designs. The higher voltage
rated MF-RX/72 Series is preferred.
Thermal Derating Chart - Ihold / Itrip (Amps)
Model
Ambient Operating Temperature
-40 ºC
-20 ºC
0 ºC
23 ºC
40 ºC
50 ºC
60 ºC
70 ºC
85 ºC
MF-RX110
1.71 / 3.42
1.50 / 3.00
1.31 / 2.62
1.10 / 2.20
0.89 / 1.78
0.79 / 1.58
0.69 / 1.38
0.59 / 1.18
0.44 / 0.88
MF-RX135
2.09 / 4.18
1.84 / 3.68
1.61 / 3.22
1.35 / 2.70
1.09 / 2.18
0.97 / 1.94
0.85 / 1.70
0.73 / 1.46
0.54 / 1.08
MF-RX160
2.48 / 4.96
2.18 / 4.36
1.90 / 3.80
1.60 / 3.20
1.30 / 2.60
1.15 / 2.30
1.01 / 2.02
0.86 / 1.72
0.64 / 1.28
MF-RX185
2.87 / 5.74
2.52 / 5.04
2.20 / 4.40
1.85 / 3.70
1.50 / 3.00
1.33 / 2.66
1.17 / 2.34
1.00 / 2.00
0.74 / 1.48
MF-RX250
3.88 / 7.76
3.40 / 6.80
2.98 / 5.96
2.50 / 5.00
2.03 / 4.06
1.80 / 3.60
1.58 / 3.16
1.35 / 2.70
1.00 / 2.00
MF-RX300
4.65 / 9.30
4.08 / 8.16
3.57 / 7.14
3.00 / 6.00
2.43 / 4.86
2.16 / 4.32
1.89 / 3.78
1.62 / 3.24
1.20 / 2.40
MF-RX375
5.81 / 11.6
5.10 / 10.2
4.46 / 8.92
3.75 / 7.50
3.04 / 6.08
2.70 / 5.40
2.36 / 4.72
2.03 / 4.06
1.50 / 3.00
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.


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