SMAJ30A - Product Overview

Introduction

SMAJ30A is a diode belonging to the category of transient voltage suppressor (TVS) diodes. These diodes are widely used in electronic circuits to protect sensitive components from voltage spikes and transients. The SMAJ30A diode offers specific characteristics, packaging, and functional features that make it suitable for various applications.

Basic Information Overview

• Category: Transient Voltage Suppressor (TVS) Diode
• Use: Protection against voltage spikes and transients in electronic circuits
• Characteristics: Fast response time, low clamping voltage, high surge capability
• Package: SMA (DO-214AC)
• Essence: Safeguarding sensitive electronic components
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

• Peak Pulse Power: 400W
• Breakdown Voltage: 30V
• Operating Temperature Range: -55°C to +150°C
• Reverse Standoff Voltage: 30V
• Forward Voltage: 3.5V at 10A

Detailed Pin Configuration

The SMAJ30A diode has two pins: anode and cathode. The anode is marked with a band on the body of the diode, while the cathode is the other terminal.

Functional Features

• Fast Response Time: Rapid reaction to voltage transients
• Low Clamping Voltage: Limits the voltage across the protected circuit
• High Surge Capability: Ability to handle large transient currents

Advantages and Disadvantages

Advantages

• Effective protection against voltage spikes
• Compact size for easy integration into circuits
• Wide operating temperature range

Disadvantages

• Limited to lower voltage applications
• Requires careful consideration of placement in the circuit for optimal performance

Working Principles

When a voltage spike occurs, the SMAJ30A diode conducts and clamps the voltage to a safe level, protecting the downstream components. It achieves this by diverting excess current away from the sensitive circuitry.

Detailed Application Field Plans

The SMAJ30A diode finds extensive use in various applications, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• P6KE30A: Similar TVS diode with higher peak pulse power
• 1.5KE30A: TVS diode with different package and higher surge capability
• SMF30A: Surface mount TVS diode with similar characteristics

In conclusion, the SMAJ30A diode serves as a crucial component in safeguarding electronic circuits from voltage transients, offering reliable protection and efficient operation within a wide range of applications.

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