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RXEF040S
Product Overview
Belongs to: Electronic Components
Category: Resettable Fuse
Use: Overcurrent Protection
Characteristics: Resettable, Surface Mount
Package: Radial Leaded
Essence: Provides overcurrent protection in electronic circuits
Packaging/Quantity: Bulk packaging, quantity varies
Specifications
- Voltage Rating: 72V
- Current Rating: 40A
- Hold Current: 0.4A
- Trip Current: 1.2A
- Resistance: 0.001 ohms
Detailed Pin Configuration
The RXEF040S has a radial leaded package with two pins. Pin 1 is the input terminal, and pin 2 is the output terminal.
Functional Features
- Resettable: Automatically resets after fault condition is removed
- Surface Mount: Suitable for automated assembly processes
- Overcurrent Protection: Safeguards electronic circuits from excessive current
Advantages and Disadvantages
Advantages: - Automatic reset reduces maintenance - Surface mount design facilitates PCB assembly - Provides reliable overcurrent protection
Disadvantages: - Limited hold current may not be suitable for all applications - Bulk packaging may not be convenient for small-scale projects
Working Principles
The RXEF040S operates based on its PTC (Positive Temperature Coefficient) characteristics. When an overcurrent condition occurs, the resistance of the device increases, limiting the current flow. Once the fault is removed, the device cools down and returns to its low-resistance state.
Detailed Application Field Plans
The RXEF040S is commonly used in various electronic devices and systems, including: - Power supplies - Battery packs - Automotive electronics - Industrial control systems
Detailed and Complete Alternative Models
- RXEF050S: Higher current rating (50A)
- RXEF030S: Lower current rating (30A)
- RXEF060S: Higher voltage rating (60V)
In conclusion, the RXEF040S resettable fuse is a reliable overcurrent protection component suitable for a wide range of electronic applications.
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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van RXEF040S in technische oplossingen
Sure, here are 10 common questions and answers related to the application of RXEF040S in technical solutions:
Q: What is the maximum voltage rating of RXEF040S? A: The maximum voltage rating of RXEF040S is 72V.
Q: What is the hold current of RXEF040S? A: The hold current of RXEF040S is 400mA.
Q: Can RXEF040S be used for overcurrent protection in automotive applications? A: Yes, RXEF040S is suitable for overcurrent protection in automotive applications.
Q: What is the operating temperature range of RXEF040S? A: The operating temperature range of RXEF040S is -40°C to 85°C.
Q: Is RXEF040S RoHS compliant? A: Yes, RXEF040S is RoHS compliant.
Q: Can RXEF040S be used in telecommunications equipment? A: Yes, RXEF040S can be used in telecommunications equipment for overcurrent protection.
Q: What is the typical tripping time of RXEF040S at 200% of its rated current? A: The typical tripping time of RXEF040S at 200% of its rated current is 5 seconds.
Q: Does RXEF040S have a resettable function after tripping? A: No, RXEF040S is a non-resettable fuse.
Q: Can RXEF040S be soldered onto a PCB? A: Yes, RXEF040S is designed for surface mount soldering onto PCBs.
Q: What is the typical resistance of RXEF040S in its tripped state? A: The typical resistance of RXEF040S in its tripped state is less than 0.1 ohms.