Bourns Fuse set MF-RXLAB 35 pc(s) MF-RXLAB 数据表
产品代码
MF-RXLAB
Environmental Characteristics
Operating/Storage Temperature ...................... -40 °C to +85 °C
Maximum Device Surface Temperature
in
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
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
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
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
CSA File Number ............................................. CA 110338
TÜV File Number ............................................. R2057213
Electrical Characteristics
Model
V max.
Volts
I max.
Amps
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, fl ame retardant epoxy polymer
insulating material meets UL 94V-0
requirements
requirements
■
Agency recognition:
■
RoHS compliant*
MF-RX Series - PTC Resettable Fuses
*RoHS COMPLIANT
X110
0180T
R
The MF-RX Series is currently
available, although not recommended
for new designs. The higher voltage
rated
available, although not recommended
for new designs. The higher voltage
rated
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.
Specifi cations 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 specifi c applications.
Specifi cations 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 specifi c applications.