Microsemi Corporation
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CDLL4489

CDLL4489 Product Overview

Introduction

The CDLL4489 is a crucial component in the field of electronic devices, offering a wide range of applications and functionalities. This entry provides an in-depth overview of the CDLL4489, 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 CDLL4489 belongs to the category of semiconductor diodes, specifically as a Zener diode. It is widely used in electronic circuits for voltage regulation and protection against voltage spikes.

Basic Information Overview

  • Use: Voltage regulation and protection
  • Characteristics: Zener breakdown voltage, low leakage current, small package size
  • Package: SOD-80 (MiniMELF)
  • Essence: Semiconductor diode for voltage regulation
  • Packaging/Quantity: Typically available in reels of 3000 units

Specifications

  • Zener Voltage: 5.6V
  • Power Dissipation: 500mW
  • Forward Voltage: 1V
  • Reverse Current: 5µA
  • Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The CDLL4489 Zener diode has two pins, with the cathode marked by a black band on the body of the diode.

Functional Features

  • Precise voltage regulation
  • Protection against voltage surges
  • Low reverse leakage current
  • Compact design for space-constrained applications

Advantages and Disadvantages

Advantages

  • Reliable voltage regulation
  • Small form factor
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Sensitive to temperature variations

Working Principles

The CDLL4489 operates based on the principle of Zener breakdown, where it maintains a constant voltage across its terminals when operated in the reverse-biased direction.

Detailed Application Field Plans

The CDLL4489 finds extensive use in various electronic applications, including: - Voltage regulators in power supplies - Overvoltage protection in electronic circuits - Signal clamping and limiting circuits

Detailed and Complete Alternative Models

  • CDLL4478: Zener diode with 4.7V breakdown voltage
  • CDLL4492: Zener diode with 6.2V breakdown voltage
  • CDLL4500: Zener diode with 7.5V breakdown voltage

In conclusion, the CDLL4489 Zener diode offers precise voltage regulation and protection in a compact package, making it an essential component in numerous electronic devices and systems.

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  1. What is CDLL4489?

    • CDLL4489 is a high-performance diode used in various technical solutions for its reliability and efficiency.

  2. How does CDLL4489 differ from other diodes?

    • CDLL4489 stands out due to its low forward voltage drop and high current capability, making it suitable for demanding technical applications.

  3. What are the typical applications of CDLL4489?

    • CDLL4489 is commonly used in power supplies, voltage regulators, and rectifier circuits in electronic devices and industrial equipment.

  4. What are the key electrical characteristics of CDLL4489?

    • The CDLL4489 diode typically has a forward voltage drop of around 0.7V and a maximum forward current of 1A.

  5. Is CDLL4489 suitable for high-temperature environments?

    • Yes, CDLL4489 is designed to operate reliably at elevated temperatures, making it suitable for applications where heat dissipation is a concern.

  6. Can CDLL4489 be used in reverse-bias conditions?

    • While CDLL4489 can withstand some reverse voltage, it's important to stay within the specified limits to avoid damaging the diode.

  7. What packaging options are available for CDLL4489?

    • CDLL4489 is commonly available in through-hole packages such as DO-35 or similar, making it easy to integrate into circuit boards.

  8. Are there any common failure modes associated with CDLL4489?

    • CDLL4489 can fail due to excessive current or voltage stress, so proper circuit protection and design considerations are important for reliable operation.

  9. Can CDLL4489 be used in automotive applications?

    • Yes, CDLL4489 is often used in automotive electronics due to its ruggedness and ability to handle transient voltage conditions.

  10. Where can I purchase CDLL4489 diodes?

    • CDLL4489 diodes are available from various electronic component distributors and can also be sourced directly from manufacturers.