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Littelfuse 2.5 A Resettable Fuse 16V DC Radial Lead RUSBF250
Specifications
| Country of Origin | India |
|---|---|
| Voltage | 16V dc |
| Brand | Littelfuse |
| Height | 18.3mm |
| Length | 11.4mm |
| Model | RUSBF250 |
| Width | 3mm |
| Current Rating | 40A |
| Series | RUSBF |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -40°C |
| Trip Current | 5A |
| Power Dissipation | 1.2W |
| Standards/Approvals | RoHS, CSA, TUV, UL |
| Time to Trip | 40s |
| Hold Current | 2.5A |
| Minimum Resistance | 0.02Ω |
| Maximum Resistance | 60mΩ |
| Lead Orientation | Radial |
Key Features
- Protects circuits by rapidly switching to a high resistance state during overloads.
- Automatically resets thousands of times without replacement.
- Compact radial lead design with 11.4mm length and 3mm width.
- Operates reliably within -40°C to 60°C temperature range.
- Maintains low resistance during normal operation at minimum 0.02Ω.
- Time to trip is 40 seconds at specified current thresholds.
- Power dissipation rated at 1.2 watts for safe continuous use.
- Meets RoHS, CSA, TUV, and UL safety approvals.
Product Description
Littelfuse RUSBF250 is a 2.5 amp resettable fuse designed for protection of electrical and electronic circuits operating at 16V DC. Featuring a compact radial lead construction, this fuse provides reliable overcurrent protection by rapidly transitioning from a low resistance state to a high resistance state in response to electrical overloads or short circuits.
The fuse automatically resets thousands of times without requiring replacement, which enhances maintenance-free protection. It operates effectively within an ambient temperature range of -40°C to 60°C and supports a hold current of 2.5A with a trip current of 5A. Its low minimum resistance of 0.02 ohms ensures minimal voltage drop during normal operation.
This PolySwitch™ PTC device dissipates 1.2 watts of power and holds a length of 11.4mm, width of 3mm, and height of 18.3mm, making it suitable for compact electronic assemblies. Approved by RoHS, CSA, TUV, and UL standards, it is ideal for use in security systems, power supplies, transformers, power switching devices, automotive and medical equipment, instrumentation and control, computers, peripherals, audiovisual, and telecommunications devices.
Protects circuitry by rapid switching to high resistance during electrical faults. Resettable design eliminates fuse replacement needs. Compact radial lead format supports versatile PCB mounting. Wide operating temperature range enhances application flexibility.
Low resistance reduces impact on normal circuit performance. Time to trip is 40 seconds ensuring reliable delay actions. Compliant with international safety and environmental standards. Robust design for multiple industrial and consumer electronics applications.
This Littelfuse resettable fuse combines safety, reliability, and ease of maintenance for industrial, laboratory, automotive, medical, security, and telecommunications applications. Explore more products in EnvMart's Electronics & Electricals Circuit Breakers & Fuse Resettable Fuse category for compatible components and accessories.
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Frequently Asked Questions
The Littelfuse RUSBF250 has a hold current rating of 2.5A and a trip current of 5A.
It operates reliably within a temperature range of -40°C to 60°C.
This model has a length of 11.4mm, a width of 3mm, and a height of 18.3mm.
The time to trip is 40 seconds at specified current thresholds.
The minimum resistance during normal operation is 0.02 ohms.
The Littelfuse RUSBF250 features a radial lead orientation.
It has a power dissipation rating of 1.2 watts for safe continuous use.
This model meets RoHS, CSA, TUV, and UL safety approvals.
The maximum operating temperature is 60°C.
It is suitable for use in security systems, power supplies, transformers, automotive and medical equipment, and telecommunications devices.
The fuse automatically resets thousands of times without requiring replacement, enhancing maintenance-free protection.
The maximum resistance is 60 milliohms.
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