Littelfuse RF2573-000
Littelfuse RF2573-000
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Littelfuse RF2573-000

Manufacturer No:

RF2573-000

Manufacturer:

Littelfuse

Utmel No:

1475-RF2573-000

Package:

-

ECAD Model:

Description:

PTC Resettable Fuse

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User Guide

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RF2573-000 information

Specifications
Product Details
Littelfuse RF2573-000 technical specifications, attributes, parameters and parts with similar specifications to Littelfuse RF2573-000.
  • Type
    Parameter
  • Mount

    In electronic components, the term "Mount" typically refers to the method or process of physically attaching or fixing a component onto a circuit board or other electronic device. This can involve soldering, adhesive bonding, or other techniques to secure the component in place. The mounting process is crucial for ensuring proper electrical connections and mechanical stability within the electronic system. Different components may have specific mounting requirements based on their size, shape, and function, and manufacturers provide guidelines for proper mounting procedures to ensure optimal performance and reliability of the electronic device.

    Surface Mount
  • RoHS
    Compliant
  • Max Current Rating

    The "Max Current Rating" parameter in electronic components refers to the maximum amount of electrical current that the component can safely handle without being damaged. It is an important specification to consider when designing or selecting components for a circuit, as exceeding the maximum current rating can lead to overheating, malfunction, or even permanent damage to the component. The max current rating is typically provided in amperes (A) and is determined by the component's internal construction, materials used, and thermal characteristics. It is crucial to ensure that the current flowing through the component does not exceed this specified limit to maintain the component's reliability and longevity.

    50 A
  • Hold Current

    the minimum current which must pass through a circuit in order for it to remain in the 'ON' state.

    1.2 A
  • Time to Trip

    Time to Trip is a parameter used in electronic components, particularly in circuit protection devices such as fuses and circuit breakers. It refers to the amount of time it takes for the component to activate and interrupt the circuit when a fault or overcurrent condition is detected. This parameter is crucial for ensuring the safety and reliability of the electrical system by quickly disconnecting power in case of a fault to prevent damage to the components or potential hazards such as fires. The specific time to trip value can vary depending on the application and the level of protection required, with faster trip times being more critical in certain high-risk environments.

    2 s
  • Trip Current

    the current at which the device is guaranteed to trip.

    2.3 A
  • Width
    5.1308 mm
  • Length
    7.366 mm
  • Thickness

    Thickness in electronic components refers to the measurement of how thick a particular material or layer is within the component structure. It can pertain to various aspects, such as the thickness of a substrate, a dielectric layer, or conductive traces. This parameter is crucial as it impacts the electrical, mechanical, and thermal properties of the component, influencing its performance and reliability in electronic circuits.

    2.9972 mm
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Product Description: RF2573-000 PTC Resettable Fuse

The RF2573-000 is a surface-mount PTC (Polymeric Positive Temperature Coefficient) resettable fuse from Littelfuse, designed to provide reliable overcurrent protection in a wide range of applications. With its compact dimensions and high current rating, this fuse is an excellent choice for demanding electronic designs.

Features:

  • Compact dimensions: 5.1308 mm width and 7.366 mm length
  • High current rating: 50 A maximum current
  • Surface-mount design for easy integration into PCBs
  • Hold current: 1.2 A for stable operation
  • Time to trip: 2 seconds for fast response
  • Compliant with RoHS (Restriction of Hazardous Substances) regulations
  • Thickness: 2.9972 mm for added durability

Applications:

  • Primary applications: Overcurrent protection in automotive, industrial, and consumer electronics
  • Secondary applications: Surge protection, load switching, and circuit protection in a variety of electronic systems

Alternative Parts:

  • RF2572-000: Similar PTC resettable fuse with a lower current rating (30 A)
  • RF2574-000: Higher current rating (75 A) version of the RF2573-000

Embedded Modules:

  • This component is commonly used in various embedded systems, including:
    • Automotive electronics (e.g., engine management systems)
    • Industrial control systems (e.g., motor control)
    • Consumer electronics (e.g., power supplies)

Frequently Asked Questions (FAQs):

Q: What is the maximum current rating of the RF2573-000? A: The maximum current rating is 50 A.

Q: Can this fuse be used in automotive applications? A: Yes, the RF2573-000 is suitable for automotive applications due to its high current rating and surface-mount design.

Q: Is the RF2573-000 RoHS compliant? A: Yes, this fuse complies with RoHS regulations.

Q: What is the hold current of the RF2573-000? A: The hold current is 1.2 A, which ensures stable operation of the fuse.

Q: How long does it take for the RF2573-000 to trip? A: The time to trip is 2 seconds, providing a fast response to overcurrent conditions.

RF2573-000 Relevant information

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