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MF-RX135 Dataheets PDF



Part Number MF-RX135
Manufacturers Bourns
Logo Bourns
Description (MF-RX Series) PTC Resettable Fuses
Datasheet MF-RX135 DatasheetMF-RX135 Datasheet (PDF)

PL IA N T Features ■ Radial Leaded Devices ■ Cured, flame retardant epoxy polymer RX 1 018 10 0T *R oH S insulating material meets UL 94V-0 requirements ■ Agency recognition: ■ RoHS compliant* The MF-RX Series is currently available, although not recommended for new designs. The higher voltage rated MF-RX/72 Series is preferred. CO M MF-RX Series - PTC Resettable Fuses Electrical Characteristics Ihold Model V max. Volts I max. Amps Itrip Initial Resistance Ohms at 23 °C Min. 0.15 0.12 0.0.

  MF-RX135   MF-RX135


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PL IA N T Features ■ Radial Leaded Devices ■ Cured, flame retardant epoxy polymer RX 1 018 10 0T *R oH S insulating material meets UL 94V-0 requirements ■ Agency recognition: ■ RoHS compliant* The MF-RX Series is currently available, although not recommended for new designs. The higher voltage rated MF-RX/72 Series is preferred. CO M MF-RX Series - PTC Resettable Fuses Electrical Characteristics Ihold Model V max. Volts I max. Amps Itrip Initial Resistance Ohms at 23 °C Min. 0.15 0.12 0.09 0.08 0.05 0.04 0.03 Max. 0.25 0.19 0.14 0.12 0.08 0.06 0.05 1 Hour (R1) Post-Trip Resistance Ohms at 23 °C Max. 0.38 0.30 0.22 0.19 0.13 0.10 0.08 Max. Time to Trip Amperes at 23 °C 5.5 6.75 8.0 9.25 12.5 15.0 18.75 Seconds at 23 °C 8.2 9.6 11.4 12.6 15.6 19.8 24.0 Tripped Power Dissipation Watts at 23 °C Typ. 1.50 1.70 1.90 2.10 2.50 2.80 3.20 Amperes at 23 °C Hold 1.10 1.35 1.60 1.85 2.50 3.00 3.75 Trip 2.20 2.70 3.20 3.70 5.00 6.00 7.50 MF-RX110 MF-RX135 MF-RX160 MF-RX185 MF-RX250 MF-RX300 MF-RX375 60 60 60 60 60 60 60 40 40 40 40 40 40 40 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 Thermal Derating Chart - Ihold / Itrip (Amps) Model MF-RX110 MF-RX135 MF-RX160 MF-RX185 MF-RX250 MF-RX300 MF-RX375 Ambient Operating Temperature -40 ºC 1.71 / 3.42 2.09 / 4.18 2.48 / 4.96 2.87 / 5.74 3.88 / 7.76 4.65 / 9.30 5.81 / 11.6 -20 ºC 1.50 / 3.00 1.84 / 3.68 2.18 / 4.36 2.52 / 5.04 3.40 / 6.80 4.08 / 8.16 5.10 / 10.2 0 ºC 1.31 / 2.62 1.61 / 3.22 1.90 / 3.80 2.20 / 4.40 2.98 / 5.96 3.57 / 7.14 4.46 / 8.92 23 ºC 1.10 / 2.20 1.35 / 2.70 1.60 / 3.20 1.85 / 3.70 2.50 / 5.00 3.00 / 6.00 3.75 / 7.50 40 ºC 0.89 / 1.78 1.09 / 2.18 1.30 / 2.60 1.50 / 3.00 2.03 / 4.06 2.43 / 4.86 3.04 / 6.08 50 ºC 0.79 / 1.58 0.97 / 1.94 1.15 / 2.30 1.33 / 2.66 1.80 / 3.60 2.16 / 4.32 2.70 / 5.40 60 ºC 0.69 / 1.38 0.85 / 1.70 1.01 / 2.02 1.17 / 2.34 1.58 / 3.16 1.89 / 3.78 2.36 / 4.72 70 ºC 0.59 / 1.18 0.73 / 1.46 0.86 / 1.72 1.00 / 2.00 1.35 / 2.70 1.62 / 3.24 2.03 / 4.06 85 ºC 0.44 / 0.88 0.54 / 1.08 0.64 / 1.28 0.74 / 1.48 1.00 / 2.00 1.20 / 2.40 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. Free Datasheet http://www.datasheet-pdf.com/ Additional Features ■ Bulk packaging, tape and reel and Ammo- Applications Almost anywhere there is a low voltage power supply, up to 60 V and a load to be protected, including: ■ Security and fire alarm systems ■ Loud speakers ■ Power transformers Pak available on most models ■ Resettable circuit protection MF-RX Series - PTC Resettable Fuses Product Dimensions Model MF-RX110 MF-RX135 MF-RX160 MF-RX185 MF-RX250 M.


MF-RX110 MF-RX135 MF-RX160


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