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Littelfuse 4 A Resettable Fuse 30V dc 2.5W Radial Lead Orientation RUEF400
Specifications
| Country of Origin | India |
|---|---|
| Voltage | 30V dc |
| Brand | Littelfuse |
| Height | 19.3mm |
| Length | 14mm |
| Model | RUEF400 |
| Width | 3mm |
| Current Rating | 100A |
| Series | RUEF |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -40°C |
| Trip Current | 8A |
| Power Dissipation | 2.5W |
| Standards/Approvals | UL, CSA, RoHS, TUV, CQC |
| Time to Trip | 12.7s |
| Hold Current | 4A |
| Minimum Resistance | 0.01Ω |
| Maximum Resistance | 50mΩ |
| Lead Orientation | Radial |
Key Features
- Rated current of 4 amperes for precise circuit protection.
- Designed for 30 volts DC operation in various applications.
- Automatic resettable function increases maintenance efficiency.
- Radial lead orientation for PCB wire ended installation.
- Low power dissipation of 2.5 watts ensures efficient performance.
- Wide operating temperature range from -40°C to 60°C for durability.
- Meets multiple standards including UL, CSA, RoHS, TUV, and CQC.
- Suitable for automotive, medical, security, and power supply systems.
Product Description
Littelfuse RUEF400 is a 4 A resettable fuse designed for electrical circuit protection with a voltage rating of 30V DC and a power dissipation of 2.5W. Its polySwitch™ technology provides rapid switching from a low resistance state to a high resistance state in case of overload or short circuit conditions.
The fuse features a radial lead orientation and is designed for PCB wire ended applications, allowing easy integration into printed circuit boards. Its compact size of 14mm length, 19.3mm height, and 3mm width makes it suitable for space-constrained electronic circuits.
This resettable fuse operates effectively over a temperature range from -40°C minimum to 60°C maximum, ensuring reliable performance in harsh environments. It automatically resets thousands of times without maintenance, providing long-lasting protection for electrical and electronic systems.
The 8A trip current and 4A hold current ratings assure precise protection for diverse equipment such as security systems, power supplies, transformers, automotive electronics, medical devices, instrumentation, and control systems.
Certified to standards including UL, CSA, RoHS, TUV, and CQC, this fuse meets international safety and environmental compliance requirements. Its maintenance-free and compact design eliminates the need for fuse holders.
Rated current of 4 amperes for precise circuit protection. Designed for 30 volts DC operation in various applications. Automatic resettable function increases maintenance efficiency. Radial lead orientation for PCB wire ended installation.
Compact dimensions: 14mm length, 19.3mm height, 3mm width. Low power dissipation of 2.5 watts ensures efficient performance. Wide operating temperature range from -40°C to 60°C for durability. Meets multiple standards including UL, CSA, RoHS, TUV, and CQC.
Suitable for automotive, medical, security, and power supply systems.
This Littelfuse resettable fuse is ideal for industrial, commercial, laboratory, telecom, and automotive applications where efficient circuit protection and automatic reset capability are required. Explore EnvMart’s wide range of Resettable Fuses and electrical protection devices for your specific needs.
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Frequently Asked Questions
The Littelfuse RUEF400 has a rated current of 4 amperes, providing precise circuit protection.
This model is designed for operation at 30 volts DC.
The power dissipation for this resettable fuse is 2.5 watts, ensuring efficient performance.
The trip current for the Littelfuse RUEF400 is 8 amperes.
The RUEF400 has compact dimensions of 14mm in length, 19.3mm in height, and 3mm in width.
It operates effectively within a temperature range of -40°C to 60°C.
This resettable fuse meets multiple standards including UL, CSA, RoHS, TUV, and CQC.
The automatic resettable function allows the fuse to reset itself after tripping, increasing maintenance efficiency.
This model features a radial lead orientation for PCB wire ended installation.
It is suitable for various applications including automotive, medical, security, and power supply systems.
The minimum resistance is 0.01Ω and the maximum resistance is 50mΩ.
The hold current rating for the Littelfuse RUEF400 is 4 amperes.
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