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Littelfuse 1.1 A Resettable Fuse 16V DC Radial Lead Type RUSBF110
Specifications
| Country of Origin | India |
|---|---|
| Voltage | 16V dc |
| Brand | Littelfuse |
| Height | 14.2mm |
| Length | 7.4mm |
| Model | RUSBF110 |
| Width | 3mm |
| Current Rating | 40A |
| Series | RUSBF |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -40°C |
| Trip Current | 2.2A |
| Power Dissipation | 0.7W |
| Standards/Approvals | UL, RoHS, TUV, CSA |
| Time to Trip | 2.3s |
| Hold Current | 1.1A |
| Minimum Resistance | 0.05Ω |
| Maximum Resistance | 140mΩ |
| Lead Orientation | Radial |
Key Features
- Automatically resets itself thousands of times after fault correction.
- Maintenance-free and compact radial lead design.
- Power dissipation rated at 0.7 watts for efficiency.
- Operates reliably from -40°C up to 60°C ambient temperature.
- UL, CSA, RoHS, and TUV approved for safety and compliance.
- Ideal for protecting power supplies, security systems, and electronic devices.
- Rapid transition from low to high resistance during electrical faults.
- Small size of 7.4mm length, 14.2mm height, and 3mm width for easy PCB mounting.
Product Description
The Littelfuse RUSBF110 resettable fuse is a PolySwitch™ PTC device designed for protection of electrical and electronic circuits against excessive currents. Featuring a hold current of 1.1 A and a maximum voltage rating of 16V DC, it ensures reliable overcurrent protection with rapid trip times averaging 2.3 seconds.
This radial lead fuse automatically resets itself thousands of times without the need for replacement, offering cost-effective and maintenance-free circuit protection. It quickly switches from a low resistance state to a high resistance state when an electrical overload or short circuit occurs, preventing damage to connected equipment.
Compact in size with precise dimensions (7.4mm length, 14.2mm height, and 3mm width), the RUSBF110 is suitable for PCB wire ended configurations. The device dissipates a low power of 0.7W and operates efficiently within a wide temperature range from -40°C to 60°C, making it versatile for various industrial and commercial applications.
Approved by UL, CSA, RoHS, and TUV, this resettable fuse meets stringent safety and environmental standards. Typical applications include security systems, power supplies, transformers, power switching devices, automotive and medical equipment, instrumentation, control systems, computers, peripherals, audio visual products, and telecommunications devices.
Automatically resets itself thousands of times after fault correction. Maintenance-free and compact radial lead design. Power dissipation rated at 0.7 watts for efficiency. Operates reliably from -40°C up to 60°C ambient temperature.
Certified UL, CSA, RoHS, and TUV compliant device. Protects a wide range of electronic and electrical equipment. Small footprint for space-constrained PCB applications. Rapid response to current faults with 2.3 seconds trip time.
This Littelfuse resettable fuse is engineered to provide dependable and reusable overcurrent protection for sensitive and critical electronics in industrial, laboratory, construction, HVAC, manufacturing, water treatment, agricultural, and commercial environments.
Explore more Resettable Fuses and related circuit protection devices in the Electronics & Electricals category on EnvMart for high-quality, compliant components.
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Frequently Asked Questions
The hold current rating of this model is 1.1 A.
It has a maximum voltage rating of 16V DC.
The trip time for this unit is approximately 2.3 seconds.
This model has dimensions of 7.4mm in length, 14.2mm in height, and 3mm in width.
The power dissipation rating is 0.7 watts.
It operates reliably within a temperature range of -40°C to 60°C.
It is approved by UL, CSA, RoHS, and TUV.
The lead orientation for this model is radial.
This resettable fuse is suitable for applications including power supplies, security systems, and automotive equipment.
The minimum resistance is 0.05Ω and the maximum resistance is 140mΩ.
It quickly transitions from a low resistance state to a high resistance state during electrical overloads or short circuits.
The country of origin for this model is India.
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