MF-R135-2: Product Overview and Specifications
Introduction
The MF-R135-2 is a resettable fuse belonging to the category of polymer positive temperature coefficient (PPTC) devices. This versatile component is widely used in various electronic applications due to its unique characteristics and reliable performance.
Basic Information Overview
- Category: Polymer Positive Temperature Coefficient (PPTC) Resettable Fuse
- Use: Overcurrent protection in electronic circuits
- Characteristics: Resettable, compact, reliable
- Package: SMD (Surface Mount Device)
- Essence: Provides overcurrent protection by limiting the current flow in the circuit
- Packaging/Quantity: Typically supplied in reels or tape and reel packaging, quantity varies based on manufacturer's specifications
Specifications
- Operating Voltage: 6V
- Hold Current: 1.35A
- Trip Current: 2.7A
- Maximum Current: 100A
- Operating Temperature Range: -40°C to 85°C
- Dimensions: 3.0mm x 3.0mm x 1.75mm
Detailed Pin Configuration
The MF-R135-2 features a standard two-pin SMD configuration with no polarity.
Functional Features
- Resettable: The PPTC nature allows the fuse to reset automatically after the fault condition is removed.
- Overcurrent Protection: Safeguards the circuit by limiting the current during overcurrent events.
- Compact Design: Space-efficient SMD package for easy integration into circuit boards.
Advantages and Disadvantages
Advantages
- Resettable functionality increases the lifespan of the component.
- Provides reliable overcurrent protection in electronic circuits.
- Compact size allows for efficient use of board space.
Disadvantages
- Limited maximum current handling compared to traditional fuses.
- Sensitive to ambient temperature variations.
Working Principles
The MF-R135-2 operates based on the PPTC effect, where its resistance increases significantly when subjected to overcurrent conditions. This increase in resistance limits the current flow, protecting the circuit from damage. Once the fault is removed, the device resets to its low-resistance state.
Detailed Application Field Plans
The MF-R135-2 is commonly used in various electronic applications, including: - Power supplies - Battery packs - Automotive electronics - Consumer electronics - Industrial control systems
Detailed and Complete Alternative Models
- MF-R005: Lower hold current variant suitable for sensitive electronic components.
- MF-R250: Higher current variant for applications requiring greater current handling capacity.
- MF-R500: Ultra-high current variant for industrial and automotive applications.
In conclusion, the MF-R135-2 resettable fuse offers reliable overcurrent protection in a compact form factor, making it an ideal choice for a wide range of electronic applications.
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What is MF-R135-2?
- MF-R135-2 is a type of resettable fuse, also known as a PTC (positive temperature coefficient) thermistor, commonly used for overcurrent protection in electronic circuits.
What is the maximum voltage and current rating for MF-R135-2?
- The maximum voltage rating for MF-R135-2 is typically around 30V, and the maximum current rating is approximately 3A.
How does MF-R135-2 work?
- When the current flowing through MF-R135-2 exceeds its rated threshold, it heats up and its resistance increases, effectively limiting the current flow to protect the circuit.
What are the typical applications for MF-R135-2?
- MF-R135-2 is commonly used in battery packs, power supplies, and various electronic devices to provide overcurrent protection.
Can MF-R135-2 be used in automotive applications?
- Yes, MF-R135-2 can be used in automotive applications where overcurrent protection is required, but it's important to ensure that it meets the specific automotive standards and requirements.
Is MF-R135-2 suitable for high-temperature environments?
- MF-R135-2 has a limited operating temperature range, so it may not be suitable for extremely high-temperature environments without additional thermal management.
What are the advantages of using MF-R135-2 over traditional fuses?
- MF-R135-2 offers the advantage of being resettable, eliminating the need for replacement after a fault condition, and it provides faster response to overcurrent events.
Are there any limitations to consider when using MF-R135-2?
- It's important to consider the hold current, trip current, and time-to-trip characteristics of MF-R135-2 to ensure it is properly matched to the application's requirements.
Can MF-R135-2 be used in series or parallel configurations?
- Yes, MF-R135-2 can be used in series or parallel configurations to achieve the desired overcurrent protection and current-handling capabilities.
Where can I find detailed technical specifications for MF-R135-2?
- Detailed technical specifications for MF-R135-2 can typically be found in the manufacturer's datasheet or product documentation.