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MF-R040 fiches techniques PDF

Bourns Electronic - PTC Resettable Fuses

Numéro de référence MF-R040
Description PTC Resettable Fuses
Fabricant Bourns Electronic 
Logo Bourns Electronic 





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MF-R040 fiche technique
Features
Radial Leaded Devices
Cured, flame retardant epoxy polymer
insulating material meets UL 94V-0
requirements
RoHS compliant* and halogen free**
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
MF-R Series - PTC Resettable Fuses
Electrical Characteristics
Model
MF-R005**
MF-R010
MF-R017
MF-R020
MF-R025
MF-R030
MF-R040
MF-R050
MF-R065
MF-R075
MF-R090
MF-R090-0-9
MF-R110
MF-R135
MF-R160
MF-R185
MF-R250
MF-R250-0-10
MF-R300
MF-R400
MF-R500
MF-R600
MF-R700
MF-R800
MF-R900
MF-R1100
V max. I max.
Volts Amps
60 40
60 40
60 40
60 40
60 40
60 40
60 40
60 40
60 40
60 40
60 40
30 40
30 40
30 40
30 40
30 40
30 40
30 40
30 40
30 40
30 40
30 40
30 40
30 40
30 40
16 100
Ihold
Itrip
Amperes
at 23 °C
Hold
Trip
0.05 0.10
0.10 0.20
0.17 0.34
0.20 0.40
0.25 0.50
0.30 0.60
0.40 0.80
0.50 1.00
0.65 1.30
0.75 1.50
0.90 1.80
0.90 1.80
1.10 2.20
1.35 2.70
1.60 3.20
1.85 3.70
2.50 5.00
2.50 5.00
3.00 6.00
4.00 8.00
5.00 10.00
6.00 12.00
7.00 14.00
8.00 16.00
9.00 18.00
11.00
22.00
Initial
Resistance
Ohms
at 23 °C
Min. Max.
7.3 11.1
2.50 4.50
2.00 3.20
1.50 2.84
1.00 1.95
0.76 1.36
0.52 0.86
0.41 0.77
0.27 0.48
0.18 0.40
0.14 0.31
0.07 0.12
0.10 0.18
0.065
0.115
0.055
0.105
0.040
0.07
0.025
0.048
0.025
0.048
0.020
0.05
0.010
0.03
0.010
0.03
0.005
0.02
0.005
0.02
0.005
0.02
0.005
0.01
0.003
0.01
1 Hour (R1)
Post-Trip
Resistance
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
Max. Time
to Trip
Amperes Seconds
at 23 °C at 23 °C
0.5 5.0
0.5 4.0
0.85 3.0
1.0 2.2
1.25 2.5
1.5 3.0
2.0 3.8
2.5 4.0
3.25 5.3
3.75 6.3
4.5 7.2
4.5 5.9
5.5 6.6
6.75 7.3
8.0 8.0
9.25 8.7
12.5 10.3
12.5 10.3
15.0 10.8
20.0 12.7
25.0 14.5
30.0 16.0
35.0 17.5
40.0 18.8
45.0 ***20.0
40.0 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
**CSA approval pending.
***Tested at 40 amps
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-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 174545
CSA File Number............................................. CA 110338
TÜV File Number............................................. R2057213
* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
** Bourns follows the prevailing definition of “halogen free” in the industry. Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less;
(b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less.
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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