MF-R900

The MF-R900 is a radial leaded PTC resettable fuse from the Bourns MF-R series. It provides overcurrent protection for low-voltage power supply circuits and automatically resets after the fault condition is removed. Designed for high reliability, it features a flame-retardant epoxy coating and meets UL 94V-0 requirements. This component is RoHS compliant and halogen-free.

• Maximum Current (Imax): 40A
• Maximum Voltage (Vmax): 30V
• Hold Current (Ihold): 9 A at 23°C
• Trip Current (Itrip): 18A at 23°C
• Type: Radial leaded device
• Series: MF-R (PTC Resettable Fuses)
• Initial Resistance: 0.005Ω (min), 0.01Ω (max)
• Post-Trip Resistance (1 hour): 0.02Ω
• Max Time to Trip: 40s at 23°C
• Power Dissipation (Tripped): 4.2W
• Operating Temperature Range: −40°C to +85°C
• Maximum Surface Temperature (Tripped): 125°C