• Part: MF-RX185-72
  • Description: PTC Resettable Fuses
  • Manufacturer: Bourns
  • Size: 1.06 MB
Download MF-RX185-72 Datasheet PDF
Bourns
MF-RX185-72
MF-RX185-72 is PTC Resettable Fuses manufactured by Bourns.
- Part of the MF-RX020-72 comparator family.
Features n 72 V rated n Cured, flame retardant epoxy polymer insulating material meets UL 94 V-0 requirements n Ro HS pliant- and halogen free- - n Agency recognition: Applications Almost anywhere there is a low voltage power supply, up to 72 V and a load to be protected, including: n Security and fire alarm systems n Loudspeakers n Power transformers MF-RX/72 Series - PTC Resettable Fuses Electrical Characteristics Model MF-RX020/72 MF-RX025/72 MF-RX030/72 MF-RX040/72 MF-RX050/72 MF-RX065/72 MF-RX075/72 MF-RX090/72 MF-RX110/72 MF-RX135/72 MF-RX160/72 MF-RX185/72 MF-RX250/72 MF-RX300/72 MF-RX375/72 Vmax Imax Ihold Itrip LEAD FRREEes Inisittiaanlce at 23 °C at 23 °C Ohms Volts 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 Amps 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 Amps 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 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 Min. 1.50 1.00 0.76 0.52 0.41 0.27 0.18 0.14 0.15 0.12 0.09 0.08 0.05 0.04 0.03 Max. 2.84 1.95 1.36 0.86 0.77 0.48 0.40 0.31 0.25 0.19 0.14 0.12 0.08 0.06 0.05 1PHoosut-r T(r Rip1) Resistance Max. Time to Trip Tripped Power Dissipation at 23 °C Ohms at 23 °C at 23 °C Watts Max. 4.40 LVEREAo RDH1123SSFI....ORC1210NEOSE7900MAPRLEIANT- 0.72 0.60 0.47 0.38 0.30 0.22 0.19 0.13 0.10 0.08 Amps 1.00 1.25 1.50 2.00 2.50 3.25 3.75 4.50 5.50 6.75 8.00 9.25 12.50 15.00 18.75 Seconds 2.2 2.5 3.0 3.9 4.0 5.3 6.3 7.2 8.2 9.6 11.4 12.6 15.6 19.8 24.0 Typ. 0.40 0.45 0.50 0.55 0.75 0.90 0.90 1.00 1.50 1.70 1.90 2.10 2.50 2.80 3.20 Agency Recognition c UL TÜV E174545 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 R50366745 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 Environmental Characteristics...