Document
**HA*LROoGHESN&CFORMEEPLIANT
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.