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Littelfuse 9 A Resettable Fuse 30V DC Radial Lead RUEF900
Specifications
| Country of Origin | India |
|---|---|
| Voltage | 30V dc |
| Brand | Littelfuse |
| Height | 29mm |
| Length | 24.1mm |
| Model | RUEF900 |
| Width | 3mm |
| Current Rating | 100A |
| Series | RUEF |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -40°C |
| Trip Current | 18A |
| Power Dissipation | 4.2W |
| Standards/Approvals | CSA, UL, CQC, TUV, RoHS |
| Time to Trip | 20s |
| Hold Current | 9A |
| Minimum Resistance | 0.005Ω |
| Maximum Resistance | 20mΩ |
| Lead Orientation | Radial |
| RS PRO 9 A Resettable Fuse, 30V dcRS Stock No. | 279-6757Brand: RS PRO |
| RUE polyswitch resettable fuse,9A 30VBrand | TE Connectivity |
Key Features
- Provides protection against electrical overload and short circuits by switching from low to high resistance state rapidly.
- Automatically resets thousands of times without maintenance.
- Compact design eliminates the need for a fuse holder.
- Complies with CSA, UL, CQC, TUV, and RoHS safety standards.
- Suitable for security systems, power supplies, automotive, medical equipment, and telecommunications devices.
- Operates reliably between -40°C to 60°C temperature range.
- Trip current of 18A with a hold current rating of 9A.
- Minimum resistance of 0.005 Ohm and maximum resistance of 20 milliohms.
Product Description
Littelfuse RUEF900 is a 9 A Resettable Fuse intended for protection in low voltage DC circuits operating at 30V. Its radial lead design allows easy PCB integration without the need for a fuse holder, reducing maintenance requirements and installation complexity.
This PolySwitch™ RUEF series device automatically transitions from a low resistance state to a high resistance state within 20 seconds when subjected to current exceeding the 18 A trip threshold, effectively protecting electrical circuits from overload and short circuit damage.
The fuse resets automatically when the fault condition is cleared and power is removed, enabling thousands of maintenance-free operations. It complies with international safety standards including CSA, UL, CQC, TUV, and RoHS certification, assuring reliable and safe performance.
Its compact size (24.1 mm length, 29 mm height, and 3 mm width) and radial leads make it ideal for installation in security systems, power supplies and transformers, automotive and medical equipment, instrumentation and control systems, as well as computers and telecommunications devices.
Protection against electrical overload with rapid switch to high resistance. Automatic resetting capabilities for long service life. Maintenance-free operation with small form factor. Compliance with international safety and environmental standards.
Wide operating temperature range from -40°C up to 60°C. Trip current of 18A with a hold current of 9A. Low minimum resistance of 0.005 Ohm and maximum 20 milliohms resistance. Power dissipation rated at 4.2W for reliable operation.
Radial lead orientation for PCB mounting.
This Littelfuse Resettable Fuse is extensively used in industrial, laboratory, construction, automotive, medical, HVAC, and telecommunications sectors, providing reliable circuit protection with simple reset functionality. It enables cost-effective maintenance and enhanced system safety.
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Frequently Asked Questions
The RUEF900 has a hold current rating of 9A and a trip current of 18A.
It operates at a voltage of 30V DC.
This model measures 24.1 mm in length, 29 mm in height, and 3 mm in width.
The RUEF900 operates reliably between -40°C to 60°C.
It rapidly switches from a low resistance state to a high resistance state within 20 seconds when the current exceeds the trip threshold, protecting circuits from overload and short circuits.
The power dissipation for this model is rated at 4.2W.
It complies with CSA, UL, CQC, TUV, and RoHS safety standards.
The minimum resistance is 0.005 Ohm and the maximum resistance is 20 milliohms.
This resettable fuse features a radial lead orientation for easy PCB mounting.
It is suitable for use in security systems, power supplies, automotive, medical equipment, and telecommunications devices.
The fuse automatically resets when the fault condition is cleared and power is removed, allowing for thousands of maintenance-free operations.
The RUEF900 is part of the RUEF series of resettable fuses.
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