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Littelfuse Non-Resettable Fuse 4A, 125 V ac, 125V dc Ceramic Body, Super Fast Acting, Gold Plated Terminal 0451004.MRL
Specifications
| Country of Origin | India |
|---|---|
| Voltage | 125, 125V ac |
| Brand | Littelfuse |
| Body Material | Ceramic |
| Height | 2.69mm |
| Model | 0451004.MRL |
| Depth | 6.1mm |
| Width | 2.69mm |
| Current Rating | 4A |
| Series | 451 |
| Maximum Operating Temperature | -55°C |
| Resistance | 0.02Ω |
| Package Type | Reel |
| Minimum Operating Temperature | 125°C |
| Breaking Capacity | 50A |
| Terminal Material | Gold Plated |
| Standards/Approvals | RoHS, CSA, CE, UL 248-14 |
| Fuse Characteristics | Super Fast Acting |
| Nano2 SMD FF subminiature fuse,4ABrand | Littelfuse |
Key Features
- This fuse supports a current rating of 4 amperes for handling operational loads.
- It operates effectively at voltages of 125 V alternating current and 125 V direct current.
- Constructed with a durable ceramic body material for high heat resistance.
- The fuse features a super fast acting characteristic ideal for sensitive components.
- Gold plated terminals ensure reliable electrical connections and corrosion resistance.
- Compact dimensions of 2.69 mm width, 2.69 mm height, and 6.1 mm depth fit small form factor boards.
- Breaking capacity of 50 amperes guarantees safe interruption of fault currents.
- The fuse is packaged on a reel, facilitating efficient assembly with surface mount technology.
Product Description
Littelfuse 0451004.MRL Non-Resettable Fuse is a 4A, 125 V ac / 125 V dc fuse designed for high speed circuit protection. It features a ceramic body for excellent thermal stability and gold plated terminals for enhanced conductivity.
This fuse belongs to the Littelfuse 451 Series of NANO2 surface mount fuses, recognized for their very small wire-in-air square shape, making them perfect for space-constrained PCB layouts.
Its super fast acting (FF) characteristic is ideal for protecting high value silicon integrated circuits in sensitive electronic equipment such as alarm systems, audio/visual gear, computer boards, portable telephones, power supplies, and medical devices.
The fuse supports a breaking capacity of 50A, ensuring safe interruption of fault currents. Its packaging on reels enables automated insertion into manufacturing processes, improving production efficiency.
This fuse delivers very fast acting circuit protection to prevent damage to critical components. Compact design saves board space without compromising performance. Body is made of ceramic which withstands high temperatures and provides durability.
Gold plated terminals reduce contact resistance and improve long-term reliability. Compatible with surface mount technology, ideal for modern electronic assemblies. Meets multiple industry standards such as RoHS, CSA, CE, and UL 248-14, assuring compliance and safety.
Typical industrial and commercial uses include secondary side circuit protection in electronics manufacturing, construction of alarm and medical systems, power supply units, and other demanding electronic applications.
Explore Littelfuse products and advanced fuse solutions in the Circuit Breakers & Fuse category on EnvMart for comprehensive protection technology.
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Frequently Asked Questions
The Littelfuse Non-Resettable Fuse has a current rating of 4 amperes.
It operates effectively at voltages of 125 V alternating current and 125 V direct current.
The fuse has a breaking capacity of 50 amperes, ensuring safe interruption of fault currents.
The body of this fuse is constructed from ceramic, which provides high heat resistance and durability.
The dimensions of this model are 2.69 mm in width, 2.69 mm in height, and 6.1 mm in depth.
It features gold plated terminals that ensure reliable electrical connections and corrosion resistance.
This fuse is packaged on a reel, facilitating efficient assembly with surface mount technology.
The maximum operating temperature is -55°C, while the minimum operating temperature is 125°C.
This fuse meets multiple industry standards, including RoHS, CSA, CE, and UL 248-14.
It is suitable for protecting high value silicon integrated circuits in sensitive electronic equipment such as alarm systems, audio/visual gear, and medical devices.
This model features a super fast acting characteristic, ideal for high-speed circuit protection.
This fuse belongs to the Littelfuse 451 Series of NANO2 surface mount fuses, recognized for their small form factor.
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