P4SMA440A-E3/5A

Introduction

The P4SMA440A-E3/5A is a diode belonging to the category of transient voltage suppressors (TVS). It is commonly used for surge protection in electronic circuits, offering characteristics such as high reliability, fast response time, and low clamping voltage. This entry provides an overview of the product's basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Transient Voltage Suppressor Diode
• Use: Surge protection in electronic circuits
• Characteristics:
  • High reliability
  • Fast response time
  • Low clamping voltage
• Package: DO-214AC (SMA)
• Essence: Protection against transient overvoltage conditions
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Part Number: P4SMA440A-E3/5A
• Standoff Voltage: 376V
• Breakdown Voltage: 418V
• Peak Pulse Power: 400W
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The P4SMA440A-E3/5A diode has two pins, with the cathode marked by a band on the body of the diode.

Functional Features

• Provides protection against voltage transients
• Fast response time ensures minimal damage to protected circuits
• Low clamping voltage diverts excess current away from sensitive components

Advantages and Disadvantages

Advantages

• High reliability
• Fast response time
• Low clamping voltage
• Compact package size

Disadvantages

• Limited power dissipation capability
• Requires proper installation for effective protection

Working Principles

When a transient overvoltage condition occurs, the P4SMA440A-E3/5A diode conducts and clamps the voltage to a safe level, protecting downstream components from damage. The diode returns to its high-resistance state once the transient event subsides.

Detailed Application Field Plans

The P4SMA440A-E3/5A is widely used in various applications, including: - Power supply units - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• P4SMA6.8A-E3/61 (Standoff Voltage: 5.8V, Breakdown Voltage: 6.45V, Peak Pulse Power: 400W)
• P4SMA10A-E3/61 (Standoff Voltage: 8.55V, Breakdown Voltage: 9.5V, Peak Pulse Power: 400W)
• P4SMA15A-E3/61 (Standoff Voltage: 13.3V, Breakdown Voltage: 14.7V, Peak Pulse Power: 400W)

In conclusion, the P4SMA440A-E3/5A diode offers reliable surge protection with fast response times and low clamping voltages, making it suitable for a wide range of electronic applications.

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