CDLL4728 Product Overview

Introduction

The CDLL4728 is a diode belonging to the category of small signal diodes. It is commonly used in electronic circuits for various applications due to its unique characteristics and functional features.

Basic Information Overview

• Category: Small Signal Diode
• Use: Electronic circuitry, signal rectification
• Characteristics: Low forward voltage drop, high switching speed
• Package: DO-35
• Essence: Semiconductor material
• Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

• Maximum Reverse Voltage: 100V
• Average Rectified Current: 250mA
• Forward Voltage Drop: 0.7V (at 10mA)
• Reverse Recovery Time: 4ns

Detailed Pin Configuration

The CDLL4728 has two pins, anode, and cathode, which are identified by the color band on the diode body. The anode is typically marked with a white or silver band, while the cathode is marked with a black band.

Functional Features

• High Switching Speed: Enables rapid response in electronic circuits.
• Low Forward Voltage Drop: Minimizes power loss and heat generation.
• Small Package Size: Ideal for compact circuit designs.

Advantages and Disadvantages

Advantages

• Fast switching speed
• Low forward voltage drop
• Compact package size

Disadvantages

• Limited maximum reverse voltage
• Moderate average rectified current rating

Working Principles

The CDLL4728 operates based on the principles of semiconductor physics, allowing it to conduct current in one direction while blocking it in the reverse direction. When forward-biased, it allows current flow with minimal voltage drop, making it suitable for signal rectification and switching applications.

Detailed Application Field Plans

The CDLL4728 finds extensive use in the following application fields: 1. Signal Rectification: Used in audio and radio frequency circuits for signal demodulation. 2. Switching Circuits: Employed in electronic switches and relays for rapid on/off transitions. 3. Voltage Clipping: Utilized to limit voltage levels in electronic circuits.

Detailed and Complete Alternative Models

• 1N4148: Similar small signal diode with comparable specifications.
• 1N914: Equivalent alternative with similar electrical characteristics.

In conclusion, the CDLL4728 small signal diode offers fast switching speed, low forward voltage drop, and compact packaging, making it suitable for various electronic applications. However, its limitations include a moderate maximum reverse voltage and average rectified current rating.

Total words: 368