MF-RX300-72

IA NT Features ■ 72 V rated ■ Radial leaded devices RX11 4180 0 S Applications Almost anywhere there is a low voltage power supply, up to 72 V and a load to be protected, including: ■ Security and fi re alarm systems ■ Loudspeakers ■ Power transformers *R oH S CO M PL ■ Cured, flame retardant epoxy polymer insulating material meets UL 94 V-0 requirements ■ RoHS compliant* ■ Agency recognition: MF-RX/72 Series - PTC Resettable Fuses Electrical Characteristics Ihold Model V max. Volts I max. Amps Itrip Initial Resistance Ohms at 23 °C Min. Max. 1 Hour (R1) Post-Trip Resistance Ohms at 23 °C Max. 4.40 3.00 2.10 1.29 1.17 0.72 0.60 0.47 0.38 0.30 0.22 0.19 0.13 0.10 0.08 Max. Time To Trip Amperes at 23 °C 1.0 1.25 1.5 2.0 2.5 3.25 3.75 4.5 5.5 6.75 8.0 9.25 12.5 15.0 18.75 Seconds at 23 °C 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 Tripped Power Dissipation Watts at 23 °C 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 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 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 Amperes at 23 °C Hold Trip 0.20 0.40 1.50 2.84 0.25 0.50 1.00 1.95 0.30 0.60 0.76 1.36 0.40 0.80 0.52 0.86 0.50 1.00 0.41 0.77 0.65 1.30 0.27 0.48 0.75 1.50 0.18 0.40 0.90 1.80 0.14 0.31 1.10 2.20 1.35 2.70 1.60 3.20 1.85 3.70 2.50 5.00 ...