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Bourns 1.35 A Resettable Fuse 72V Radial Leaded MF-RX135/72-0
Specifications
| Country of Origin | India |
|---|---|
| Voltage | 72V |
| Brand | Bourns |
| Height | 18.26mm |
| Length | 12.26mm |
| Model | MF-RX135/72-0 |
| Width | 3.1mm |
| Current Rating | 40A |
| Series | MF-RX/72 |
| Maximum Operating Temperature | 85°C |
| Minimum Operating Temperature | -40°C |
| Trip Current | 2.7A |
| Power Dissipation | 1.7W |
| Standards/Approvals | RoHS, UL |
| Lead Diameter | 0.81mm |
| Time to Trip | 9.6s |
| Hold Current | 1.35A |
| Minimum Resistance | 0.12Ω |
| Maximum Resistance | 300mΩ |
| Lead Orientation | Radial |
Key Features
- The fuse operates at 72 volts with a current rating of 40 amps.
- Hold current is rated at 1.35 amps ensuring precise circuit protection.
- It trips at a trip current of 2.7 amps within 9.6 seconds.
- Constructed with cured, flame retardant epoxy polymer providing UL 94V-0 compliance.
- Compact radial lead design with lead diameter of 0.81 mm for easy PCB mounting.
- Wide operating temperature range from -40°C to 85°C for versatile use.
- Low resistance and power dissipation of 1.7 W minimizes energy loss.
- Rapid transition from low resistance to high resistance state during overload or short circuit.
Product Description
Bourns MF-RX135/72-0 is a 1.35 A resettable fuse designed to protect electrical and electronic circuits from excessive currents by automatically switching from a low resistance state to a high resistance state during faults. It operates at 72 V rated voltage and has a current rating of 40 A along with a hold current of 1.35 A.
This radial leaded device features a cured flame retardant epoxy polymer insulating material meeting UL 94V-0 standard, ensuring safety and reliability in demanding environments. The fuse provides a trip current of 2.7 A within approximately 9.6 seconds, effectively safeguarding sensitive components.
The compact dimensions of 12.26 mm length, 18.26 mm height, and 3.1 mm width, combined with a 0.81 mm lead diameter, allow for seamless PCB mounting in various industrial and commercial applications.
It supports a temperature range from -40°C to 85°C, making it suitable for diverse climatic conditions. The fuse's low power dissipation of 1.7 W and minimum resistance of 0.12 Ω enhances energy efficiency while maintaining protection performance.
Main applications include security systems, power supplies, transformers, power switching devices, automotive and medical equipment, instrumentation, control systems, computers and peripherals, as well as audio-visual and telecommunications equipment.
The fuse automatically resets thousands of times without the need for replacement. It is maintenance free and small in size, eliminating the need for fuse holders. Rapid and automatic reset ensures fast recovery after fault clearance.
Radial lead orientation facilitates easy integration into PCB designs. Compliance with RoHS and UL standards guarantees environmental and safety adherence. This Bourns resettable fuse is ideal for industrial, laboratory, commercial, automotive, and manufacturing environments where reliable overcurrent protection is critical.
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Frequently Asked Questions
The hold current rating of this resettable fuse is 1.35 A, ensuring precise circuit protection.
This model can operate at a maximum temperature of 85°C, making it suitable for various climatic conditions.
The trip current for this fuse is 2.7 A, and it trips within approximately 9.6 seconds during an overload condition.
The dimensions of this resettable fuse are 12.26 mm in length, 18.26 mm in height, and 3.1 mm in width.
This resettable fuse operates at a voltage rating of 72 V, providing effective circuit protection.
The lead diameter for this model is 0.81 mm, facilitating easy PCB mounting.
The fuse is constructed with a cured flame retardant epoxy polymer, ensuring compliance with UL 94V-0 standards.
The power dissipation for this resettable fuse is 1.7 W, which helps minimize energy loss.
This resettable fuse is suitable for applications including security systems, power supplies, automotive equipment, and telecommunications.
This model complies with RoHS and UL standards, ensuring environmental and safety adherence.
The minimum resistance of this resettable fuse is 0.12 Ω, contributing to its low power dissipation.
The fuse automatically resets thousands of times without the need for replacement, ensuring fast recovery after fault clearance.
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