Littelfuse Inc.
Imej mungkin representasi.
Lihat spesifikasi untuk butiran produk.
RUEF090-2
Lihat Butiran Helaian data

RUEF090-2

Product Overview

Category

RUEF090-2 belongs to the category of resettable fuses.

Use

It is used to protect electronic circuits from overcurrent and short circuit conditions.

Characteristics

  • Resettable
  • Low resistance
  • Fast response time

Package

The RUEF090-2 is typically available in a surface mount package.

Essence

The essence of RUEF090-2 lies in its ability to provide reliable overcurrent protection while being resettable, thus offering cost-effective and convenient protection for electronic circuits.

Packaging/Quantity

It is usually packaged in reels and available in varying quantities depending on the manufacturer.

Specifications

  • Maximum Voltage: 30V
  • Hold Current: 0.9A
  • Trip Current: 1.8A
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The detailed pin configuration of RUEF090-2 includes two terminals for connection to the circuit.

Functional Features

  • Resettable functionality
  • Low resistance during normal operation
  • Fast response to overcurrent conditions

Advantages

  • Cost-effective compared to traditional fuses
  • Resettable, eliminating the need for replacement after a fault condition
  • Fast response time helps in protecting sensitive electronic components

Disadvantages

  • Limited maximum voltage and current ratings compared to some non-resettable fuses
  • May have higher initial cost compared to traditional fuses

Working Principles

RUEF090-2 operates based on the principle of positive temperature coefficient (PTC) resistance. When an overcurrent condition occurs, the resistance of the device increases, limiting the current flow and protecting the circuit. Once the fault is removed, the device resets itself, allowing normal operation to resume.

Detailed Application Field Plans

RUEF090-2 is commonly used in various electronic devices such as power supplies, battery packs, and consumer electronics where overcurrent protection is required. It is particularly suitable for applications where the convenience of a resettable fuse is preferred over traditional fuses.

Detailed and Complete Alternative Models

Some alternative models to RUEF090-2 include RUEF110, RUEF160, and RUEF200, each with different hold and trip currents to suit specific application requirements.

Word count: 346

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi RUEF090-2 dalam penyelesaian teknikal

  1. What is RUEF090-2?

    • RUEF090-2 is a resettable fuse designed to protect circuits from overcurrent and short circuit conditions.

  2. What is the maximum voltage and current rating of RUEF090-2?

    • The maximum voltage rating is typically 30V, and the maximum current rating is typically 0.9A.

  3. How does RUEF090-2 differ from traditional fuses?

    • RUEF090-2 is a resettable fuse, meaning it can automatically return to its normal state after the fault condition is removed, unlike traditional fuses that need to be replaced.

  4. What are the typical applications of RUEF090-2?

    • RUEF090-2 is commonly used in battery packs, power supplies, and other electronic devices to protect against overcurrent events.

  5. Can RUEF090-2 be used in automotive applications?

    • Yes, RUEF090-2 can be used in automotive applications where protection against overcurrent is required.

  6. What is the operating temperature range of RUEF090-2?

    • The operating temperature range is typically -40°C to 85°C, making it suitable for a wide range of environments.

  7. Is RUEF090-2 suitable for high-reliability applications?

    • Yes, RUEF090-2 is designed for high reliability and can be used in critical systems where consistent performance is essential.

  8. Can RUEF090-2 be soldered onto a PCB?

    • Yes, RUEF090-2 is designed for surface mount soldering and can be integrated into PCB designs.

  9. Does RUEF090-2 have any built-in indicator for fault detection?

    • No, RUEF090-2 does not have a built-in indicator for fault detection. External circuitry or monitoring systems may be needed for fault indication.

  10. Are there any specific handling considerations for RUEF090-2 during assembly?

    • Care should be taken to avoid mechanical stress on the device during assembly, and proper soldering techniques should be followed to ensure reliable operation.