Microsemi Corporation
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CDLL4621
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CDLL4621 Product Overview

Introduction

The CDLL4621 is a crucial component in the field of electronic devices, serving as an essential part of various applications. This entry provides a comprehensive overview of the CDLL4621, 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 CDLL4621 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: Regulating voltage and protecting circuits
  • Packaging/Quantity: Available in reels of 3000 units

Specifications

  • Zener Voltage: 6.2V
  • Power Dissipation: 500mW
  • Forward Voltage: 1V
  • Reverse Current: 5μA
  • Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The CDLL4621 has two pins, with the cathode connected to the positive side and the anode connected to the negative side of the circuit.

Functional Features

  • Voltage Regulation: Maintains a constant output voltage under varying load conditions.
  • Overvoltage Protection: Safeguards sensitive components by diverting excess voltage away from the circuit.

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Compact size
  • Low leakage current

Disadvantages

  • Limited power dissipation capability
  • Susceptible to temperature variations

Working Principles

The CDLL4621 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

The CDLL4621 finds extensive use in various applications, including: - Voltage regulators in power supplies - Overvoltage protection in electronic circuits - Signal clamping and limiting

Detailed and Complete Alternative Models

Some alternative models to the CDLL4621 include: - BZX84C6V2: 6.2V Zener diode - MMBZ5232B: 6.2V Zener diode - 1N4734A: 6.2V Zener diode

In conclusion, the CDLL4621 Zener diode plays a vital role in electronic circuits, offering precise voltage regulation and overvoltage protection. Its compact size and low leakage current make it suitable for a wide range of applications, despite its limitations in power dissipation and sensitivity to temperature changes.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací CDLL4621 v technických řešeních

  1. What is CDLL4621?

    • CDLL4621 is a high-speed, low-capacitance transient voltage suppressor diode used for surge protection in electronic circuits.

  2. Where is CDLL4621 commonly used?

    • CDLL4621 is commonly used in applications such as telecommunications equipment, industrial control systems, and automotive electronics.

  3. What are the key features of CDLL4621?

    • The key features of CDLL4621 include its low capacitance, high surge capability, and fast response time to transient voltage spikes.

  4. How does CDLL4621 provide surge protection?

    • CDLL4621 provides surge protection by diverting excess voltage away from sensitive components, thereby preventing damage from transient voltage spikes.

  5. What is the maximum voltage rating of CDLL4621?

    • The maximum voltage rating of CDLL4621 is typically around 30V.

  6. Can CDLL4621 be used for ESD protection?

    • Yes, CDLL4621 can be used for electrostatic discharge (ESD) protection in electronic circuits.

  7. What is the operating temperature range of CDLL4621?

    • The operating temperature range of CDLL4621 is usually between -55°C to 150°C, making it suitable for a wide range of environments.

  8. Are there any specific layout considerations when using CDLL4621 in a circuit?

    • It is important to minimize the trace length between the CDLL4621 and the protected component, and to ensure a low-impedance path to ground for effective surge protection.

  9. Can CDLL4621 be used in high-frequency applications?

    • Yes, CDLL4621's low capacitance makes it suitable for high-frequency applications where minimal signal distortion is required.

  10. What are some alternative devices to CDLL4621 for surge protection?

    • Some alternative devices for surge protection include metal oxide varistors (MOVs) and transient voltage suppression (TVS) diodes, depending on the specific application requirements.