RUEF300K

Product Overview

Category: Electronic Component
Use: Overcurrent Protection
Characteristics: Resettable, Surface Mount
Package: SMD (Surface Mount Device)
Essence: Polymeric Positive Temperature Coefficient (PPTC) device
Packaging/Quantity: Reel of 3000 units

Specifications

Hold Current: 3.0A
Trip Current: 6.0A
Maximum Voltage: 30V
Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The RUEF300K is a surface mount device with two terminals for soldering onto a circuit board. The pin configuration is as follows: 1. Terminal 1: Input/Anode 2. Terminal 2: Output/Cathode

Functional Features

Resettable: Automatically resets when the fault condition is removed
Overcurrent Protection: Safeguards electronic circuits from excessive current flow
Surface Mount Design: Suitable for compact and densely populated PCBs

Advantages and Disadvantages

Advantages: - Automatic reset reduces maintenance requirements - Compact size ideal for space-constrained applications - Provides reliable overcurrent protection

Disadvantages: - Limited maximum voltage rating compared to some alternatives - Trip current may not be adjustable for specific applications

Working Principles

The RUEF300K operates based on the principle of positive temperature coefficient (PTC). When an overcurrent condition occurs, the PTC material heats up, causing its resistance to increase dramatically, limiting the current flow. Once the fault is removed, the PTC material cools down, allowing the device to reset.

Detailed Application Field Plans

The RUEF300K is commonly used in various electronic devices and systems, including: - Power supplies - Battery packs - USB charging ports - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

RUEF500K: Higher trip current and voltage rating
RUEF200K: Lower hold current for more sensitive applications
RUEF600K: Increased maximum voltage for higher voltage applications

This concludes the English editing encyclopedia entry structure for RUEF300K.

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi RUEF300K dalam penyelesaian teknikal

What is RUEF300K?
- RUEF300K is a resettable fuse designed to protect circuits from overcurrent and short circuit conditions.
What is the maximum voltage and current rating of RUEF300K?
- The maximum voltage rating is typically 30V, and the maximum current rating is usually around 3A.
How does RUEF300K differ from traditional fuses?
- Unlike traditional fuses, RUEF300K is resettable, meaning it can automatically return to its normal state after the fault condition is removed.
Can RUEF300K be used in automotive applications?
- Yes, RUEF300K is suitable for use in automotive electronics to protect against overcurrent events.
What are the typical applications of RUEF300K?
- RUEF300K is commonly used in battery protection circuits, USB power lines, and other low-voltage electronic systems.
Is RUEF300K suitable for high-temperature environments?
- Yes, RUEF300K is often designed to operate reliably at elevated temperatures, making it suitable for various industrial and automotive applications.
How does RUEF300K respond to overcurrent events?
- When an overcurrent event occurs, RUEF300K quickly opens the circuit to protect downstream components. Once the fault is cleared, it resets itself.
Can RUEF300K be used in conjunction with other protective devices?
- Yes, RUEF300K can be used alongside other protective devices such as TVS diodes and varistors to provide comprehensive circuit protection.
What is the typical response time of RUEF300K to an overcurrent event?
- The response time of RUEF300K is typically very fast, providing rapid protection to the circuit.
Are there any specific layout or mounting considerations for RUEF300K?
- It's important to follow the manufacturer's guidelines for PCB layout and mounting to ensure proper performance and reliability of RUEF300K in the application.