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Littelfuse 0.3 A 72V PolySwitch RXE Series Resettable Fuse RXEF030
Specifications
| Country of Origin | India |
|---|---|
| Voltage | 72V |
| Brand | Littelfuse |
| Height | 12.7mm |
| Length | 7.4mm |
| Model | RXEF030 |
| Width | 3mm |
| Current Rating | 40A |
| Series | RXEF |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -40°C |
| Trip Current | 600mA |
| Power Dissipation | 0.49W |
| Standards/Approvals | RoHS, TUV, UL, CQC, CSA |
| Time to Trip | 3s |
| Hold Current | 0.3A |
| Minimum Resistance | 0.88Ω |
| Maximum Resistance | 2.1Ω |
| Lead Orientation | Radial |
Key Features
- Automatic reset capability enables thousands of operation cycles.
- Low hold current of 0.3A suitable for sensitive applications.
- High voltage rating of up to 72V.
- Radial lead orientation for easy PCB mounting.
- Maintains low resistance under normal conditions for minimal power loss.
- Trip current rating of 600mA with a 3-second time-to-trip.
- RoHS compliant and halogen free construction.
- Broad operating temperature range from -40°C to 60°C.
Product Description
The Littelfuse RXEF030 is a PolySwitch TXE Series resettable fuse that provides reliable circuit protection with an automatic reset functionality. Featuring a hold current of 0.3 A and voltage rating up to 72V, this fuse is ideal for protecting sensitive electronic circuits in a variety of industrial and commercial applications.
With a compact footprint measuring 7.4mm in length, 3mm in width, and 12.7mm in height, the RXEF030 allows for efficient PCB space utilization. The radial lead orientation simplifies installation on printed circuit boards. This device rapidly trips when the current exceeds 600mA, within approximately 3 seconds, protecting against overcurrent conditions and short circuits.
The PolySwitch RXE Series fuse maintains a low resistance under normal operation with a minimum resistance of 0.88 ohms and a maximum resistance of 2.1 ohms, ensuring minimal impact on circuit performance. It is designed to operate reliably in harsh environments with an operating temperature range from -40°C to 60°C and power dissipation rating of 0.49W.
This resettable fuse is RoHS compliant, halogen free, and has been tested and approved to global safety standards including UL, CSA, TUV, and CQC, making it suitable for use in security systems, power supplies, computer motherboards, industrial controls, telecommunications, and automotive equipment.
Its maintenance-free, compact design eliminates the need for fuse holders, simplifying system assembly and reducing maintenance costs. The fuse automatically resets when the fault condition is removed, offering a safe and cost-effective protection solution for sensitive electronics.
Automatic reset capability enables thousands of operation cycles. Low hold current of 0.3A suitable for sensitive applications. High voltage rating of up to 72V. Radial lead orientation for easy PCB mounting. Small compact size: 7.4mm length, 3mm width, 12.7mm height.
Maintains low resistance under normal conditions for minimal power loss. Trip current rating of 600mA with a 3-second time-to-trip. RoHS compliant and halogen free construction. Broad operating temperature range from -40°C to 60°C.
Compliant with UL, CSA, TUV, and CQC standards. For more precise electrical protection products, explore our wide range of Resettable Fuses on EnvMart, trusted for industrial and commercial applications worldwide.
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Frequently Asked Questions
The hold current rating of the RXEF030 is 0.3 A, making it suitable for sensitive applications.
This resettable fuse has a maximum voltage rating of 72V.
The dimensions of the RXEF030 are 7.4 mm in length, 3 mm in width, and 12.7 mm in height.
The trip current rating is 600 mA, and it has a time to trip of approximately 3 seconds.
The operating temperature range for the RXEF030 is from -40°C to 60°C.
This model is RoHS compliant and has been tested and approved to global safety standards including UL, CSA, TUV, and CQC.
The minimum resistance is 0.88 ohms and the maximum resistance is 2.1 ohms under normal operating conditions.
The radial lead orientation simplifies installation on printed circuit boards, facilitating efficient PCB mounting.
The power dissipation rating of the RXEF030 is 0.49 W.
This resettable fuse is suitable for use in security systems, power supplies, computer motherboards, industrial controls, telecommunications, and automotive equipment.
The RXEF030 automatically resets when the fault condition is removed, allowing for thousands of operation cycles without maintenance.
The low hold current of 0.3 A is significant as it allows the fuse to protect sensitive electronic circuits effectively without tripping under normal conditions.
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