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MICROSMD250LR-A-2
Introduction
The MICROSMD250LR-A-2 is a surface mount device (SMD) belonging to the category of resettable fuses. This component is widely used in electronic circuits for overcurrent protection and offers various characteristics, packaging options, and functional features.
Basic Information Overview
- Category: Resettable Fuse
- Use: Overcurrent Protection in Electronic Circuits
- Characteristics: Resettable, Surface Mount Design
- Package: Tape and Reel
- Essence: Provides Overcurrent Protection in Compact Form Factor
- Packaging/Quantity: Available in Reel Packaging with Quantity Options
Specifications
- Model: MICROSMD250LR-A-2
- Current Rating: 2.5A
- Voltage Rating: 60V
- Hold Current: 2.5A
- Trip Current: 5A
- Operating Temperature Range: -40°C to 85°C
Detailed Pin Configuration
The MICROSMD250LR-A-2 features a standard SMD pin configuration with two terminals for surface mounting onto circuit boards.
Functional Features
- Resettable: Automatically resets after the fault condition is removed.
- Compact Design: Suitable for space-constrained applications.
- Reliable Protection: Offers overcurrent protection for electronic circuits.
Advantages and Disadvantages
Advantages
- Resettable nature allows for reuse after fault conditions.
- Compact size enables integration into small electronic devices.
- Reliable overcurrent protection for sensitive components.
Disadvantages
- Limited maximum current handling compared to traditional fuses.
- Sensitive to voltage fluctuations.
Working Principles
The MICROSMD250LR-A-2 operates based on the principle of positive temperature coefficient (PTC) behavior. 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 MICROSMD250LR-A-2 is commonly used in various electronic applications, including: - Consumer Electronics - Automotive Electronics - Industrial Control Systems - Telecommunications Equipment - Medical Devices
Detailed and Complete Alternative Models
- MICROSMD050F-2: 50mA Hold Current, 100mA Trip Current
- MICROSMD110F-2: 110mA Hold Current, 220mA Trip Current
- MICROSMD375F-2: 375mA Hold Current, 750mA Trip Current
- MICROSMD500F-2: 500mA Hold Current, 1A Trip Current
In conclusion, the MICROSMD250LR-A-2 is a versatile resettable fuse designed for overcurrent protection in various electronic applications. Its compact size, resettable nature, and reliable functionality make it a popular choice for designers seeking effective circuit protection in limited space environments.
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What is MICROSMD250LR-A-2?
- MICROSMD250LR-A-2 is a surface mount polymeric positive temperature coefficient (PPTC) resettable fuse designed to protect against overcurrent and overtemperature faults in electronic circuits.
What are the typical applications of MICROSMD250LR-A-2?
- MICROSMD250LR-A-2 is commonly used in various technical solutions such as USB ports, battery packs, power supplies, and other electronic devices where overcurrent protection is required.
What is the maximum voltage and current rating for MICROSMD250LR-A-2?
- The maximum voltage rating for MICROSMD250LR-A-2 is 30V and the maximum current rating is 1000mA.
How does MICROSMD250LR-A-2 provide overcurrent protection?
- MICROSMD250LR-A-2 works by increasing its resistance when the current exceeds its rated value, effectively limiting the current flow and protecting the circuit from damage.
Can MICROSMD250LR-A-2 be used in automotive applications?
- Yes, MICROSMD250LR-A-2 is suitable for automotive applications where overcurrent protection is needed, such as in vehicle electronics and control systems.
Is MICROSMD250LR-A-2 lead-free and RoHS compliant?
- Yes, MICROSMD250LR-A-2 is lead-free and complies with the Restriction of Hazardous Substances (RoHS) directive.
What is the operating temperature range for MICROSMD250LR-A-2?
- The operating temperature range for MICROSMD250LR-A-2 is -40°C to 85°C, making it suitable for a wide range of environmental conditions.
Does MICROSMD250LR-A-2 have any agency certifications?
- Yes, MICROSMD250LR-A-2 is UL recognized and TUV certified, ensuring its compliance with industry safety standards.
Can MICROSMD250LR-A-2 be soldered using standard reflow processes?
- Yes, MICROSMD250LR-A-2 is compatible with standard reflow soldering processes, making it easy to integrate into electronic assemblies.
Where can I find detailed specifications and application notes for MICROSMD250LR-A-2?
- Detailed specifications and application notes for MICROSMD250LR-A-2 can be found in the product datasheet provided by the manufacturer or distributor.