P4SMA550CA - Product Encyclopedia Entry

Introduction

The P4SMA550CA is a specialized electronic component belonging to the category of transient voltage suppressor (TVS) diodes. This entry provides an overview of the basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models related to the P4SMA550CA.

Basic Information Overview

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

Specifications

• Peak Power Dissipation: 400W
• Breakdown Voltage: 495V to 605V
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C
• RoHS Compliant: Yes

Detailed Pin Configuration

The P4SMA550CA TVS diode typically consists of two pins for connection within an electronic circuit. The pin configuration includes the cathode (K) and the anode (A).

Functional Features

• Transient Voltage Suppression: Rapidly clamps transient voltages to protect downstream components.
• Low Clamping Voltage: Ensures minimal impact on the protected circuit during transient events.
• High Surge Current Capability: Can handle large surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Compact package size

Disadvantages

• Limited power dissipation capability compared to larger TVS diodes
• Higher capacitance may affect high-frequency signal integrity

Working Principles

The P4SMA550CA operates by diverting excessive transient current away from sensitive electronic components when a voltage spike occurs. It achieves this by rapidly conducting excess current to ground, thereby limiting the voltage across the protected circuit.

Detailed Application Field Plans

The P4SMA550CA is commonly used in various applications including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• P4SMA6.0CA: Similar characteristics with a higher breakdown voltage
• P4SMA440CA: Lower breakdown voltage with similar power dissipation capability
• P4SMA510CA: Slightly lower breakdown voltage with comparable specifications

In conclusion, the P4SMA550CA TVS diode offers effective transient voltage suppression in a compact package, making it suitable for a wide range of electronic applications.

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