DDZ21-7: Product Overview and Specifications

Introduction

DDZ21-7 is a versatile electronic component that belongs to the category of voltage regulator diodes. This product is widely used in various electronic circuits for voltage regulation and protection purposes. In this entry, we will provide an overview of its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Voltage Regulator Diode
• Use: Voltage regulation and protection in electronic circuits
• Characteristics: High precision, low leakage current, temperature stability
• Package: Small signal SOD-323 package
• Essence: Silicon semiconductor material
• Packaging/Quantity: Available in reels with varying quantities

Specifications

• Voltage Regulation Range: 5.1V to 200V
• Forward Current: 500mA
• Reverse Standoff Voltage: 7V
• Operating Temperature Range: -55°C to 150°C
• Storage Temperature Range: -65°C to 175°C

Detailed Pin Configuration

The DDZ21-7 voltage regulator diode has a standard SOD-323 package with two pins. The pinout configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Precise voltage regulation within specified range
• Low reverse leakage current
• Fast response to transient voltage spikes
• Compact size for space-constrained applications

Advantages and Disadvantages

Advantages

• High precision voltage regulation
• Low leakage current
• Compact package size
• Wide operating temperature range

Disadvantages

• Limited forward current capacity
• Sensitive to excessive voltage and current spikes

Working Principles

The DDZ21-7 operates based on the principle of Zener breakdown, where it maintains a constant voltage drop across its terminals when reverse biased. This allows it to regulate the voltage within the specified range and protect the circuit from overvoltage conditions.

Detailed Application Field Plans

The DDZ21-7 finds extensive use in various electronic applications, including: - Voltage regulation in power supplies - Overvoltage protection in communication systems - Signal conditioning in sensor interfaces - Voltage reference in precision measurement equipment

Detailed and Complete Alternative Models

Some alternative models to DDZ21-7 include: - BZX84C5V1: 5.1V Zener diode - MMBZ5230B: 5.6V Zener diode - BZT52C3V6: 3.6V Zener diode - BZX85C15: 15V Zener diode

In conclusion, the DDZ21-7 voltage regulator diode offers precise voltage regulation and protection in a compact package, making it suitable for a wide range of electronic applications.

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