PTC Resettable Fuses
IA NT
Features
■ 72 V rated ■ Radial leaded devices
RX11 4180 0 S
Applications
Almost anywhere there is a low voltage ...
Description
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 ...
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