Bourns MFRX300722 Resettable Fuse Bourns MF-RX300/72-2 is a resettable fuse offering circuit protection in low-voltage power supply applications up to 72V. Constructed with a cured, flame retardant epoxy polymer, it meets UL 94 V-0 requirements and is RoHS compliant. These resettable fuses are ideal for security and fire alarm systems, loudspeakers, and power transformers. They offer a convenient and reliable solution for overcurrent protection, automatically resetting after a fault and minimizing downtime.
Source Part No Stock Inv Date Qty/Price USD Buy/RFQ Authorized Distributors Newark MF-RX300/72-2 1678 05-28-2026 Unit price: $0.3 BUYDigiKey MF-RX300/72-2 196 05-28-2026 Unit price: $0.85 BUYMouser Electronics MF-RX300/72-2 7553 05-29-2026 Unit price: $0.71 BUYRS Americas, Inc MF-RX300/72-2 0 05-28-2026 Unit price: $0.54 BUYMaster Electronics MF-RX300/72-2 10000 05-28-2026 Unit price: $0.3185 BUYOnlinecomponents.com MF-RX300/72-2 10000 05-28-2026 Unit price: $0.3185 BUY
Authorized Distributors
Part No: MF-RX300/72-2
Stock: 1678
Inv Date: 05-28-2026
Price: Unit price: $0.3
Part No: MF-RX300/72-2
Stock: 196
Inv Date: 05-28-2026
Price: Unit price: $0.85
Part No: MF-RX300/72-2
Stock: 7553
Inv Date: 05-29-2026
Price: Unit price: $0.71
Part No: MF-RX300/72-2
Stock: 0
Inv Date: 05-28-2026
Price: Unit price: $0.54
Part No: MF-RX300/72-2
Stock: 10000
Inv Date: 05-28-2026
Price: Unit price: $0.3185
Part No: MF-RX300/72-2
Stock: 10000
Inv Date: 05-28-2026
Price: Unit price: $0.3185
Bourns MFRX300722 Resettable Fuse Specifications: V max: 72 Volts I max: 40 Amps Ihold: 3.00 Amperes Itrip: 6.00 Amperes Initial Resistance (Min): 0.04 Ohms Initial Resistance (Max): 0.06 Ohms 1 Hour (R1) Post-Trip Resistance: 0.10 Ohms Max Time to Trip: 15.0 Seconds Tripped Power Dissipation: 2.80 Watts Operating/Storage Temperature: -40 °C to +85 °C Max 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: +85 °C to -55 °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 Buy the MF-RX300/72-2 BOURNS Resettable Fuse | myMectronic Purchase the Bourns MF-RX300/72-2 resettable fuse securely and reliably online.
Buy Now Frequently Asked Questions Where can I buy Bourns MFRX300722? You can click on the BUY or RFQ button to purchase MFRX300722 from an authorized Bourns distributor.
How do I troubleshoot issues or seek technical support for part MFRX300722? You can download the MFRX300722 datasheet or visit the Bourns website for support.
Who is the manufacturer of MFRX300722? Bourns
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