SMAJ28A-TP

Introduction

The SMAJ28A-TP is a component belonging to the category of transient voltage suppressor diodes. This entry provides an overview of its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

• Category: Transient Voltage Suppressor Diode
• Use: Protecting sensitive electronic devices from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.
• Characteristics: Fast response time, low clamping voltage, high surge capability.
• Package: DO-214AC (SMA)
• Essence: Provides protection against voltage spikes and surges.
• Packaging/Quantity: Available in reels or bulk packaging, quantity varies based on supplier.

Specifications

• Voltage - Reverse Standoff (Typ): 28V
• Voltage - Breakdown (Min): 31.1V
• Voltage - Clamping (Max) @ Ipp: 45.4V
• Current - Peak Pulse (10/1000µs): 34.1A
• Power - Peak Pulse: 400W
• Type: Zener
• Unidirectional: Yes

Detailed Pin Configuration

The SMAJ28A-TP typically consists of two pins, with the cathode being shorter than the anode. The pin configuration is as follows: - Anode (A) - Cathode (K)

Functional Features

• Transient Voltage Suppression: Rapidly clamps transient voltages to a safe level.
• Low Clamping Voltage: Provides effective protection for sensitive electronics.
• Fast Response Time: Reacts quickly to voltage transients, minimizing potential damage.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Low clamping voltage

Disadvantages

• Limited to unidirectional protection
• May require additional components for bidirectional protection

Working Principles

When a transient voltage spike occurs, the SMAJ28A-TP conducts current to divert the excess energy away from the protected circuit. This action effectively limits the voltage across the circuit to a safe level, protecting the connected electronics.

Detailed Application Field Plans

The SMAJ28A-TP is commonly used in various applications, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMAJ28A-TP include: - P6SMB28A - 1.5SMC28A - SMBJ28A

In conclusion, the SMAJ28A-TP is a crucial component in safeguarding electronic devices from voltage transients, offering fast response times and low clamping voltages. Its application spans across diverse industries, making it an essential part of modern electronic systems.

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