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Bourns MFRX300720 PTC Resettable Fuse
The MFRX300720 is a high-reliability PTC resettable fuse designed for low voltage power supply protection up to 72 V. Its compact radial leaded design ensures easy installation in various applications including security alarms, fire systems, loudspeakers, and power transformers. The fuse features durable cured, flame-retardant epoxy insulation complying with UL 94 V-0 standards, RoHS compliance, and halogen-free materials, making it suitable for environmentally conscious designs. With a consistent trip cycle, it provides effective overcurrent protection and resets automatically after fault conditions are cleared, ensuring circuit safety and reliability.
Bourns MFRX300720 PTC Resettable Fuse Specifications:
- Rated Voltage: 72 V
- Maximum Current: 40 A
- Hold Current: 3.00 A
- Trip Current: 6.00 A
- Resistance (typical): 0.10 Ohms at 23°C
- Maximum Resistance: 0.16 Ohms at 23°C
- Trip Time: 15 seconds at 23°C, 3.75 A
- Operating/Storage Temperature: -40°C to +85°C
- Max Surface Temperature in Tripped State: 125°C
- Material: Sn/CuFe lead material, flame-retardant epoxy insulator
- Environmental Resistance: Humidity aging, thermal shock, solvent resistance, vibration tested
- Packaging: Tape and reel, Ammo-Pak options available
- Certifications: UL174545, TUV certified
- Physical Dimensions: Lead diameter approx. 0.5 mm, length varies per model, standard axial leads
- Standards Compliance: RoHS 2002/95/EC, Halogen Free
Buy the Bourns Series RX PTC Resettable Fuse: MFRX300720
Secure your low voltage power applications with the reliable Bourns MFRX300720 PTC resettable fuse. Designed for circuits up to 72 volts, it offers automatic overcurrent protection, ensuring circuit safety. Its robust construction features flame-retardant epoxy insulation and RoHS compliance, making it environmentally friendly. The fuse resets automatically after fault conditions, reducing downtime and maintenance. Available in convenient tape and reel packaging, it is suitable for security systems, alarms, loudspeakers, and transformers, providing durable, precise, and environmentally responsible circuit protection.
Get Bourns MFRX300720 today—built for circuit protection, environmental resilience, and long-lasting reliability in low voltage power systems.
Frequently Asked Questions
Where can I buy Bourns MFRX300720?
You can click on the BUY or RFQ button to purchase MFRX300720 from an authorized Bourns distributor.
How do I troubleshoot issues or seek technical support for part MFRX300720?
You can download the MFRX300720 datasheet or visit the Bourns website for support.
Who is the manufacturer of MFRX300720?
Bourns