TPSMA43AHE3/5AT

Introduction

The TPSMA43AHE3/5AT is a diode belonging to the category of transient voltage suppressors (TVS). It is commonly used for protecting sensitive electronics from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. This entry provides an overview of the TPSMA43AHE3/5AT, 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 transients
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: SMA (DO-214AC)
• Essence: Provides robust protection for sensitive electronics
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Part Number: TPSMA43AHE3/5AT
• Peak Pulse Power: 400W
• Breakdown Voltage: 43V
• Clamping Voltage: 77.4V at 1A
• Operating Temperature Range: -55°C to 150°C
• RoHS Compliant: Yes

Detailed Pin Configuration

The TPSMA43AHE3/5AT has a standard SMA (DO-214AC) package with two pins. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

• Fast response time to transient events
• Low clamping voltage to protect downstream components
• High surge current capability for robust transient suppression

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• RoHS compliant
• Compact SMA package for space-constrained applications

Disadvantages

• Limited breakdown voltage compared to higher-rated TVS diodes
• Requires careful consideration of placement in circuit design to ensure optimal protection coverage

Working Principles

The TPSMA43AHE3/5AT operates by diverting excess transient energy away from sensitive components, thereby limiting the voltage across them. When a transient event occurs, the diode rapidly conducts, providing a low-impedance path for the transient current to flow through, thus protecting the downstream circuitry.

Detailed Application Field Plans

The TPSMA43AHE3/5AT is widely used in various electronic systems, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the TPSMA43AHE3/5AT include: - TPSMA6L Series - TPSMB Series - P6KE Series - 1.5SMC Series

In summary, the TPSMA43AHE3/5AT is a vital component in safeguarding electronic devices from transient voltage events. Its fast response time, low clamping voltage, and high surge current capability make it a popular choice for various applications. While it has certain limitations, careful integration and selection of alternative models can address these concerns, ensuring reliable protection for sensitive electronics.