Bourns Inc.
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
MF-R250-AP-99
Ver Detalle Hojas de datos

MF-R250-AP-99

Product Overview

Category

The MF-R250-AP-99 belongs to the category of resettable fuses or PTC (Positive Temperature Coefficient) thermistors.

Use

It is used as a protection device in electronic circuits to limit overcurrent and prevent damage to sensitive components.

Characteristics

  • Resettable fuse
  • Polymer-based PTC thermistor
  • Low resistance in normal operating conditions
  • High resistance when exposed to overcurrent

Package

The MF-R250-AP-99 is typically available in surface mount packages, making it suitable for modern electronic circuit designs.

Essence

The essence of the MF-R250-AP-99 lies in its ability to provide reliable overcurrent protection while being resettable, eliminating the need for replacement after a fault condition.

Packaging/Quantity

The MF-R250-AP-99 is commonly packaged in reels or tape and reel packaging, with quantities varying based on manufacturer specifications.

Specifications

  • Hold Current: 2.5A
  • Trip Current: 5A
  • Maximum Voltage: 30V
  • Operating Temperature Range: -40°C to 85°C
  • Dimensions: 6.1mm x 3.0mm x 1.75mm

Detailed Pin Configuration

The MF-R250-AP-99 typically has two pins for surface mount installation, with specific pin configurations based on the manufacturer's datasheet.

Functional Features

  • Overcurrent Protection: The MF-R250-AP-99 responds to overcurrent conditions by increasing its resistance, limiting the current flow and protecting the circuit.
  • Resettable Operation: After the fault condition is removed, the MF-R250-AP-99 resets itself, allowing normal operation to resume without the need for replacement.

Advantages

  • Resettable: Eliminates the need for replacement after a fault condition, reducing downtime and maintenance costs.
  • Reliable Protection: Provides consistent overcurrent protection, safeguarding electronic components from damage.

Disadvantages

  • Limited Voltage Rating: The maximum voltage rating of 30V may not be suitable for high-voltage applications.
  • Temperature Sensitivity: Performance may vary in extreme temperature conditions.

Working Principles

The MF-R250-AP-99 operates based on the principle of positive temperature coefficient, where its resistance increases with temperature rise due to overcurrent, effectively limiting the current flow.

Detailed Application Field Plans

The MF-R250-AP-99 is commonly used in various electronic devices and systems, including: - Power supplies - Battery packs - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • MF-R160-0-99
  • MF-R500-0-99
  • MF-R700-0-99
  • MF-R900-0-99

In summary, the MF-R250-AP-99 is a resettable fuse with PTC thermistor characteristics, providing reliable overcurrent protection in electronic circuits. Its resettable nature and compact package make it suitable for a wide range of applications, although users should consider its voltage limitations and temperature sensitivity when selecting it for specific designs.

[Word Count: 476]

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MF-R250-AP-99 en soluciones técnicas

Sure, here are 10 common questions and answers related to the application of MF-R250-AP-99 in technical solutions:

  1. Q: What is the operating temperature range of MF-R250-AP-99? A: The operating temperature range of MF-R250-AP-99 is -40°C to +85°C.

  2. Q: What is the maximum current rating of MF-R250-AP-99? A: The maximum current rating of MF-R250-AP-99 is 3A.

  3. Q: Can MF-R250-AP-99 be used for overcurrent protection in automotive applications? A: Yes, MF-R250-AP-99 is suitable for overcurrent protection in automotive applications.

  4. Q: What is the hold current of MF-R250-AP-99? A: The hold current of MF-R250-AP-99 is typically 2.5A.

  5. Q: Is MF-R250-AP-99 RoHS compliant? A: Yes, MF-R250-AP-99 is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  6. Q: Can MF-R250-AP-99 be reset after tripping? A: No, MF-R250-AP-99 is a one-time, non-resettable device once it has tripped.

  7. Q: What is the typical voltage drop of MF-R250-AP-99 at its rated current? A: The typical voltage drop of MF-R250-AP-99 at its rated current is 150mV.

  8. Q: Is MF-R250-AP-99 suitable for use in telecommunications equipment? A: Yes, MF-R250-AP-99 is suitable for use in telecommunications equipment due to its high reliability and performance.

  9. Q: Can MF-R250-AP-99 be soldered onto a PCB? A: Yes, MF-R250-AP-99 can be soldered onto a PCB using standard reflow or wave soldering processes.

  10. Q: What is the response time of MF-R250-AP-99 to an overcurrent fault? A: The response time of MF-R250-AP-99 to an overcurrent fault is typically less than 5 milliseconds, providing rapid protection to the circuit.

I hope these questions and answers are helpful! Let me know if you need further assistance.