RXEF375
Product Overview
Belongs to: Electronic Components
Category: Resettable Fuses
Use: Overcurrent Protection
Characteristics: Resettable, Polymer PTC
Package: Radial Leaded
Essence: Provides overcurrent protection in electronic circuits
Packaging/Quantity: Available in reels or bulk packaging
Specifications
- Voltage Rating: 72V
- Current Rating: 3.75A
- Hold Current: 3.75A
- Trip Current: 7.5A
- Max Voltage: 60V
- Resistance: 0.019Ω
Detailed Pin Configuration
RXEF375 has two radial leads for easy through-hole mounting on a PCB.
Functional Features
- Resettable: Automatically resets after the fault is cleared
- Overcurrent Protection: Safeguards electronic circuits from excessive current
- Polymer PTC: Utilizes polymer positive temperature coefficient material for reliable performance
Advantages and Disadvantages
Advantages: - Automatic reset reduces maintenance - Provides reliable overcurrent protection - Suitable for various electronic applications
Disadvantages: - May have limited response time compared to traditional fuses - Requires careful consideration of hold and trip currents for proper application
Working Principles
RXEF375 operates based on the principle of polymer positive temperature coefficient. When an overcurrent condition occurs, the resistance of the PTC material increases, limiting the current flow. Once the fault is removed, the PTC material cools down and returns to its low-resistance state, allowing normal operation to resume.
Detailed Application Field Plans
- Consumer Electronics: Used in power supplies, battery chargers, and audio equipment
- Automotive Electronics: Provides overcurrent protection in vehicle electronics
- Industrial Control Systems: Safeguards control circuitry from overcurrent conditions
Detailed and Complete Alternative Models
- RXEF110: Lower current rating for lighter applications
- RXEF500: Higher current rating for heavier-duty protection
- RXEF250: Intermediate current rating suitable for various applications
Note: The alternative models listed above are part of the RXEF series and offer similar functionality with varying current ratings.
This comprehensive entry provides detailed information about RXEF375, including its specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.
Lista 10 Vanliga frågor och svar relaterade till tillämpningen av RXEF375 i tekniska lösningar
What is RXEF375?
- RXEF375 is a resettable polymeric positive temperature coefficient (PPTC) device used as a circuit protection component.
What are the typical applications of RXEF375?
- RXEF375 is commonly used in overcurrent and overtemperature protection in various electronic devices such as power supplies, battery packs, and automotive electronics.
What is the operating voltage range of RXEF375?
- The operating voltage range of RXEF375 is typically from 6V to 60V.
What is the hold current of RXEF375?
- The hold current of RXEF375 is typically 3.75A.
What is the maximum fault current capability of RXEF375?
- The maximum fault current capability of RXEF375 is typically 100A.
How does RXEF375 respond to overcurrent conditions?
- RXEF375 responds to overcurrent conditions by increasing its resistance, limiting the current flow through the circuit.
Can RXEF375 be reset after tripping?
- Yes, RXEF375 is resettable and will return to its low-resistance state once the overcurrent condition is removed.
What is the operating temperature range of RXEF375?
- The operating temperature range of RXEF375 is typically from -40°C to 85°C.
Is RXEF375 suitable for automotive applications?
- Yes, RXEF375 is suitable for automotive applications and complies with relevant automotive industry standards.
Where can I find detailed specifications and application notes for RXEF375?
- Detailed specifications and application notes for RXEF375 can be found on the manufacturer's website or in the product datasheet.