CDLL4490 Product Overview

Introduction

The CDLL4490 is a crucial component in the field of electronic devices, serving as an essential element in various applications. This entry provides a comprehensive overview of the CDLL4490, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category

The CDLL4490 belongs to the category of semiconductor diodes, specifically falling under the classification of Zener diodes. These diodes are widely used for voltage regulation and protection in electronic circuits.

Basic Information Overview

• Use: The CDLL4490 is primarily utilized for voltage regulation and transient voltage suppression.
• Characteristics: It exhibits a sharp breakdown voltage with minimal change in current, making it suitable for precision voltage regulation.
• Package: The CDLL4490 is typically available in a glass encapsulated package.
• Essence: Its essence lies in providing stable voltage regulation and protection against voltage spikes.
• Packaging/Quantity: It is commonly packaged in reels or tubes, with varying quantities based on manufacturer specifications.

Specifications

The CDLL4490 is designed to operate within specific electrical parameters, including: - Voltage Regulation: Breakdown voltage of 9.1V with low dynamic impedance. - Power Dissipation: Maximum power dissipation rating under specified conditions. - Temperature Range: Operating and storage temperature limits for optimal performance.

Detailed Pin Configuration

The CDLL4490 features a standard diode pin configuration, with clear identification of the anode and cathode terminals. This configuration ensures proper integration into electronic circuits.

Functional Features

• Voltage Regulation: Maintains a constant output voltage despite fluctuations in input voltage.
• Transient Voltage Suppression: Effectively clamps voltage spikes to protect downstream components.
• Low Dynamic Impedance: Ensures minimal variation in output voltage over a wide range of currents.

Advantages and Disadvantages

Advantages

• Precise Voltage Regulation
• Effective Transient Voltage Suppression
• Low Dynamic Impedance

Disadvantages

• Limited Power Dissipation Capacity
• Sensitivity to Temperature Variations

Working Principles

The CDLL4490 operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased at the specified breakdown voltage. This characteristic enables it to regulate voltage and suppress transient spikes effectively.

Detailed Application Field Plans

The CDLL4490 finds extensive use in various electronic applications, including: - Voltage Regulator Circuits - Overvoltage Protection Systems - Precision Instrumentation - Switching Power Supplies

Detailed and Complete Alternative Models

Several alternative models can serve as substitutes for the CDLL4490, offering similar functionality and characteristics. Some notable alternatives include: - CDLL4480 - CDLL4500 - CDLL4491

In conclusion, the CDLL4490 plays a pivotal role in voltage regulation and transient voltage suppression within electronic circuits, offering precise control and protection. Its unique characteristics and functional features make it a valuable component in diverse applications, despite certain limitations. Understanding its specifications, working principles, and alternative models is essential for effective utilization in electronic designs.

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