Bourns Multifuse cutoffs Current I(H) 1.85 A 30 V (Ø) 12 mm MF-R185 1 pc(s) MF-R185 数据表

产品代码
MF-R185
下载
页码 6
Specifications are subject to change without notice.
Specifications are subject to change without notice.
8
MF-R Series - 
PTC Resettable Fuses
R
0180
T
1
1 0
1 Hour (R1)
Max. Time
Tripped
Ihold
Itrip  
Initial
Post-Trip
To Trip
Power
Resistance
Resistance
Dissipation
Model
Amperes
Ohms
Ohms
Amperes
Seconds
Watts
V max.
I max.
at 23°C
at 23°C
at 23°C
at 23°C
at 23°C
at 23°C
Volts
Amps
Hold
Trip
Min.
Max.
Max.
MF-R010
60
40
0.10
0.20
2.50
4.50
7.50
0.5
4.0
0.38
MF-R017
60
40
0.17
0.34
2.00
3.20
8.00
0.85
3.0
0.48
MF-R020
60
40
0.20
0.40
1.50
2.84
4.40
1.0
2.2
0.40
MF-R025
60
40
0.25
0.50
1.00
1.95
3.00
1.25
2.5
0.45
MF-R030
60
40
0.30
0.60
0.76
1.36
2.10
1.5
3.0
0.50
MF-R040
60
40
0.40
0.80
0.52
0.86
1.29
2.0
3.8
0.55
MF-R050
60
40
0.50
1.00
0.41
0.77
1.17
2.5
4.0
0.75
MF-R065
60
40
0.65
1.30
0.27
0.48
0.72
3.25
5.3
0.90
MF-R075
60
40
0.75
1.50
0.18
0.40
0.60
3.75
6.3
0.90
MF-R090
60
40
0.90
1.80
0.14
0.31
0.47
4.5
7.2
1.00
MF-R090-0-9
30
40
0.90
1.80
0.07
0.12
0.22
4.5
5.9
0.60
MF-R110
30
40
1.10
2.20
0.10
0.18
0.27
5.5
6.6
0.70
MF-R135
30
40
1.35
2.70
0.065
0.115
0.17
6.75
7.3
0.80
MF-R160
30
40
1.60
3.20
0.055
0.105
0.15
8.0
8.0
0.90
MF-R185
30
40
1.85
3.70
0.040
0.07
0.11
9.25
8.7
1.00
MF-R250
30
40
2.50
5.00
0.025
0.048
0.07
12.5
10.3
1.20
MF-R250-0-10
30
40
2.50
5.00
0.025
0.048
0.07
12.5
10.3
1.20
MF-R300
30
40
3.00
6.00
0.020
0.05
0.08
15.0
10.8
2.00
MF-R400
30
40
4.00
8.00
0.010
0.03
0.05
20.0
12.7
2.50
MF-R500
30
40
5.00
10.00
0.010
0.03
0.05
25.0
14.5
3.00
MF-R600
30
40
6.00
12.00
0.005
0.02
0.04
30.0
16.0
3.50
MF-R700
30
40
7.00
14.00
0.005
0.02
0.03
35.0
17.5
3.80
MF-R800
30
40
8.00
16.00
0.005
0.02
0.03
40.0
18.8
4.00
MF-R900
30
40
9.00
18.00
0.005
0.01
0.02
45.0
*20.0
4.20
Electrical Characteristics
Features
Radial Leaded Devices
Cured, flame retardant epoxy polymer
insulating material meets 
UL 94V-0 requirements
Bulk packaging, tape and reel and Ammo-
Pak available on most models
Agency recognition:  
Applications
Almost anywhere there is a low voltage
power supply and a load to be protected,
including:
Computers & peripherals
General electronics
Automotive applications
*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 ....................................................MIL-STD-202F, Method 107G, ....................±10% typical resistance change
+125°C to -40°C,10 times
Mechanical Shock ..............................................MIL-STD-202, Method 213, ........................No resistance change
Condition 1 (100g, 6 seconds)
Solvent Resistance ............................................MIL-STD-202, Method 215 ........................No change
Vibration ..............................................................MIL-STD-883C, Method 2007.1, ................No change
Condition A
Environmental Characteristics
Test
Test Conditions
Accept/Reject Criteria
Visual/Mech. ......................................................Verify dimensions and materials..................Per MF physical description
Resistance ..........................................................In still air @ 23°C ........................................Rmin 
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
Test Procedures And Requirements For Model MF-R Series
*MF-R010 - R050 rated at 30V for agency approval.