SMAJ22HE3/5A Product Overview

Introduction

The SMAJ22HE3/5A is a diode belonging to the category of transient voltage suppressors (TVS). It is commonly used for protecting sensitive electronic components from voltage spikes and transients. This entry provides an in-depth overview of the SMAJ22HE3/5A, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Transient Voltage Suppressor Diode
• Use: Protection against voltage spikes and transients
• Characteristics: Fast response time, low clamping voltage, high surge capability
• Package: DO-214AC (SMA), SMC
• Essence: Safeguarding sensitive electronic components
• Packaging/Quantity: Available in reels or bulk packaging, quantity varies based on supplier

Specifications

• Part Number: SMAJ22HE3/5A
• Voltage - Reverse Standoff (Typ): 22V
• Voltage - Breakdown (Min): 24.4V
• Voltage - Clamping (Max) @ Ipp: 35.5V
• Current - Peak Pulse (10/1000µs): 5A
• Power - Peak Pulse: 400W
• Type: Zener
• Mounting Type: Surface Mount
• Package / Case: DO-214AC, SMA
• Supplier Device Package: DO-214AC (SMA)

Detailed Pin Configuration

The SMAJ22HE3/5A typically has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

• Transient Voltage Suppression: Provides protection by diverting excessive current away from sensitive components during voltage spikes.
• Fast Response Time: Reacts quickly to transient events, minimizing the risk of damage to connected devices.
• Low Clamping Voltage: Limits the voltage across the protected circuit, ensuring the safety of downstream components.

Advantages and Disadvantages

Advantages

• Effective protection against voltage surges
• Fast response time
• Low clamping voltage
• Compact surface-mount package

Disadvantages

• Limited to specific voltage and current ratings
• May require additional circuitry for comprehensive surge protection

Working Principles

The SMAJ22HE3/5A operates based on the principle of avalanche breakdown. When a voltage spike occurs, the diode rapidly conducts, shunting the excess current to ground and limiting the voltage across the protected circuit. This action prevents damage to sensitive components.

Detailed Application Field Plans

The SMAJ22HE3/5A finds extensive use in various applications, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Several alternative models with similar characteristics and performance include: - P6KE22CA - 1.5KE22CA - SMBJ22CA - SMCJ22CA

In conclusion, the SMAJ22HE3/5A transient voltage suppressor diode offers effective protection against voltage spikes and transients, making it an essential component in safeguarding sensitive electronic circuits.

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