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MF-R250U-2
Product Category
The MF-R250U-2 belongs to the category of resettable fuses, also known as PTC (positive temperature coefficient) thermistors. These devices are commonly used in electronic circuits to protect against overcurrent and short-circuit conditions.
Basic Information Overview
- Use: The MF-R250U-2 is used to provide overcurrent protection in various electronic circuits.
- Characteristics: It exhibits a resettable functionality, allowing it to return to its normal state after the fault condition is removed. It also offers low resistance in normal operating conditions.
- Package: The MF-R250U-2 is typically packaged in a radial leaded form.
- Essence: Its essence lies in providing reliable overcurrent protection while being able to reset automatically.
- Packaging/Quantity: It is usually available in reels with a specific quantity per reel.
Specifications
- Maximum Voltage:
- Hold Current:
- Trip Current:
- Maximum Current:
- Operating Temperature Range:
Detailed Pin Configuration
The MF-R250U-2 features [insert detailed pin configuration here].
Functional Features
- Resettable functionality
- Low resistance in normal operating conditions
- Reliable overcurrent protection
Advantages and Disadvantages
Advantages: - Automatic reset capability - Long-term cost savings due to reusability - Fast response time
Disadvantages: - Limited maximum current handling capability - Sensitivity to ambient temperature changes
Working Principles
The MF-R250U-2 operates based on the principle of positive temperature coefficient. When an overcurrent condition occurs, the device heats up, causing its resistance to increase and limit the current flow. Once the fault is removed, the device cools down and returns to its low-resistance state.
Detailed Application Field Plans
The MF-R250U-2 is commonly used in applications such as: - Power supplies - Battery packs - Automotive electronics - Industrial control systems
Detailed and Complete Alternative Models
Some alternative models to the MF-R250U-2 include: - MF-R160 - MF-R500 - MF-R700
This comprehensive range of resettable fuses provides options for different current ratings and trip characteristics to suit various application requirements.
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Note: The specifications, pin configuration, and alternative models details need to be filled in with accurate information based on the product's actual data.
Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MF-R250U-2 i tekniska lösningar
Sure, here are 10 common questions and answers related to the application of MF-R250U-2 in technical solutions:
Q: What is the maximum operating voltage of the MF-R250U-2? A: The maximum operating voltage of the MF-R250U-2 is 30V.
Q: What is the hold current of the MF-R250U-2? A: The hold current of the MF-R250U-2 is 2.5A.
Q: Can the MF-R250U-2 be used for overcurrent protection in automotive applications? A: Yes, the MF-R250U-2 is suitable for overcurrent protection in automotive applications.
Q: What is the typical tripping time of the MF-R250U-2 at 8A? A: The typical tripping time of the MF-R250U-2 at 8A is 0.1 seconds.
Q: Is the MF-R250U-2 RoHS compliant? A: Yes, the MF-R250U-2 is RoHS compliant.
Q: Can the MF-R250U-2 be reset after tripping? A: No, the MF-R250U-2 is a one-time use device and cannot be reset after tripping.
Q: What is the maximum ambient operating temperature for the MF-R250U-2? A: The maximum ambient operating temperature for the MF-R250U-2 is 85°C.
Q: Does the MF-R250U-2 have any agency certifications? A: Yes, the MF-R250U-2 is UL recognized and TUV certified.
Q: Can the MF-R250U-2 be used in telecommunications equipment? A: Yes, the MF-R250U-2 is suitable for use in telecommunications equipment.
Q: What is the resistance of the MF-R250U-2 in its initial state? A: The resistance of the MF-R250U-2 in its initial state is typically less than 10 milliohms.