SMAJ20A-E3/5A

Product Overview

Category

The SMAJ20A-E3/5A belongs to the category of semiconductor devices, specifically a type of transient voltage suppressor (TVS) diode.

Use

It is commonly used for protecting sensitive electronic components from voltage spikes and transients in various electronic circuits and systems.

Characteristics

• Voltage Suppression: Capable of suppressing voltage spikes and transients to protect downstream components.
• Fast Response Time: Provides rapid response to transient events, minimizing the risk of damage to connected devices.
• Compact Package: Small form factor suitable for integration into compact electronic designs.
• RoHS Compliant: Environmentally friendly construction.

Package

The SMAJ20A-E3/5A is typically available in a surface-mount package, offering ease of installation and compatibility with modern PCB designs.

Packaging/Quantity

It is commonly supplied in reels or tape and reel packaging, with quantities varying based on manufacturer specifications.

Specifications

• Part Number: SMAJ20A-E3/5A
• Peak Pulse Power: 400W
• Breakdown Voltage: 20V
• Operating Voltage: 17.1V
• Clamping Voltage: 29.2V
• Maximum Surge Current: 14.4A
• Operating Temperature Range: -55°C to +150°C
• Package Type: DO-214AC (SMA)

Detailed Pin Configuration

The SMAJ20A-E3/5A features a standard DO-214AC (SMA) package with two pins. The pinout configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

The primary function of the SMAJ20A-E3/5A is to provide transient voltage suppression by diverting excessive current away from sensitive components when voltage spikes occur. This helps to safeguard the integrity and reliability of electronic circuits.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Compact form factor
• RoHS compliant

Disadvantages

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

Working Principles

When a voltage spike occurs, the TVS diode conducts current to divert the excess energy away from the protected circuit. This action effectively clamps the voltage to a safe level, preventing damage to downstream components.

Detailed Application Field Plans

The SMAJ20A-E3/5A is widely utilized 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: - P6KE20A - 1.5KE20A - SMBJ20A - SMCJ20A

In summary, the SMAJ20A-E3/5A is a vital component in electronic systems, providing essential protection against voltage transients and spikes. Its compact size, fast response time, and effectiveness make it a popular choice for diverse applications across different industries.

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