RUEF400K
Product Overview
Category: Electronic Component
Use: Overcurrent Protection
Characteristics: Resettable, Surface Mount
Package: 1812 (4532 Metric)
Essence: Polymer PTC Resettable Fuse
Packaging/Quantity: Tape & Reel (TR), 3000 per reel
Specifications
- Hold Current: 4A
- Trip Current: 8A
- Max Voltage: 60V
- Resistance: 0.050 Ohm
Detailed Pin Configuration
The RUEF400K is a surface mount device with two terminals for easy integration into circuit boards. The pin configuration is as follows: - Pin 1: Connected to the positive terminal of the circuit - Pin 2: Connected to the negative terminal of the circuit
Functional Features
- Resettable: Automatically resets after the fault condition is removed
- Overcurrent Protection: Safeguards the circuit from excessive current flow
- Surface Mount Design: Allows for compact and efficient PCB layout
Advantages and Disadvantages
Advantages: - Resettable functionality increases product lifespan - Surface mount design saves space on the PCB - Provides reliable overcurrent protection
Disadvantages: - Limited maximum voltage rating of 60V - May not be suitable for high-power applications
Working Principles
The RUEF400K operates based on the principle of a polymer PTC resettable fuse. When an overcurrent condition occurs, the resistance of the device increases, limiting the current flow. Once the fault is removed, the device resets to its initial state.
Detailed Application Field Plans
The RUEF400K is commonly used in various electronic devices and systems, including: - Consumer electronics - Power supplies - Battery management systems - Automotive electronics - Industrial control systems
Detailed and Complete Alternative Models
- RUEF800K: Higher hold and trip currents for increased protection
- RUEF200K: Lower hold and trip currents for more sensitive applications
- RUEF600K: Intermediate hold and trip currents for versatile use
In conclusion, the RUEF400K is a polymer PTC resettable fuse designed for overcurrent protection in electronic circuits. Its resettable nature, surface mount design, and reliable functionality make it a valuable component in various applications.
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What is RUEF400K?
- RUEF400K is a resettable fuse designed to protect circuits from overcurrent and short circuit conditions.
What is the maximum voltage and current rating for RUEF400K?
- The maximum voltage rating for RUEF400K is typically 30V, and the maximum current rating is 40A.
How does RUEF400K differ from traditional fuses?
- Unlike traditional fuses, RUEF400K is resettable, meaning it can automatically restore the circuit once the fault condition is removed.
In what applications can RUEF400K be used?
- RUEF400K is commonly used in power supplies, battery packs, automotive electronics, and other electronic devices requiring overcurrent protection.
What are the typical operating temperatures for RUEF400K?
- RUEF400K is designed to operate within a temperature range of -40°C to 85°C.
Can RUEF400K be used in high-reliability applications?
- Yes, RUEF400K is suitable for high-reliability applications due to its robust design and consistent performance.
Is RUEF400K suitable for surface mount technology (SMT) assembly?
- Yes, RUEF400K is available in SMT-compatible packages, making it suitable for automated assembly processes.
What is the typical response time of RUEF400K in protecting against overcurrent conditions?
- RUEF400K has a fast response time, typically tripping within milliseconds when an overcurrent condition is detected.
Can RUEF400K be used in combination with other protective components?
- Yes, RUEF400K can be used in conjunction with other protective components such as varistors or TVS diodes to provide comprehensive circuit protection.
Are there any specific design considerations when incorporating RUEF400K into a circuit?
- It's important to consider the thermal management and placement of RUEF400K to ensure optimal performance and reliability within the circuit design.