BZX84B22-E3-08

Introduction

The BZX84B22-E3-08 is a diode belonging to the Zener diode category. This component is commonly used in electronic circuits for voltage regulation and protection against voltage spikes. It possesses unique characteristics, comes in a specific package, and has distinct advantages and disadvantages.

Basic Information Overview

• Category: Zener Diode
• Use: Voltage regulation and protection
• Characteristics: Reverse breakdown voltage, low impedance, small package size
• Package: SOT-23
• Essence: Regulating voltage and protecting circuits
• Packaging/Quantity: Typically available in reels of 3000 units

Specifications

• Voltage: 22V
• Power Dissipation: 250mW
• Operating Temperature Range: -65°C to +150°C
• Zener Impedance: 40Ω
• Maximum Reverse Leakage Current: 100nA

Detailed Pin Configuration

The BZX84B22-E3-08 Zener diode has three pins: anode, cathode, and no connection (NC). The anode is connected to the positive terminal of the circuit, the cathode to the negative terminal, and the NC pin is left unconnected.

Functional Features

• Voltage Regulation: The diode maintains a constant voltage across its terminals when operated in the reverse breakdown region.
• Voltage Protection: It protects sensitive components in a circuit by limiting the voltage across them.

Advantages and Disadvantages

Advantages

• Small package size
• Low impedance
• Precise voltage regulation

Disadvantages

• Limited power dissipation capability
• Susceptible to damage from excessive current or voltage spikes

Working Principles

The BZX84B22-E3-08 operates based on the principle of the Zener effect, where it allows current to flow in the reverse direction once the voltage across its terminals exceeds the specified breakdown voltage.

Detailed Application Field Plans

This Zener diode finds applications in various electronic circuits, including: - Voltage regulators - Overvoltage protection circuits - Signal clamping circuits - Voltage reference circuits

Detailed and Complete Alternative Models

• BZX84C22-E3-08: Similar specifications with a slightly different breakdown voltage
• BZX85B22-E3-08: Higher power dissipation capability with similar voltage characteristics
• 1N5221B: Traditional axial leaded Zener diode with comparable voltage rating

In conclusion, the BZX84B22-E3-08 Zener diode is a crucial component in electronic circuits, providing precise voltage regulation and protection. Its compact size and unique characteristics make it suitable for a wide range of applications.

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