PGSMAJ7.0AHR3G

Introduction

The PGSMAJ7.0AHR3G is a semiconductor product 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: Protection against voltage transients in electronic circuits
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: SMA (DO-214AC)
• Essence: Semiconductor device for voltage suppression
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Voltage - Reverse Standoff (Typ): 7V
• Voltage - Breakdown (Min): 7.78V
• Voltage - Clamping (Max) @ Ipp: 11.2V
• Current - Peak Pulse (10/1000µs): 19.4A
• Power - Peak Pulse: 400W
• Operating Temperature: -55°C to 150°C

Detailed Pin Configuration

The PGSMAJ7.0AHR3G has two pins, with the standard cathode marked with a black band.

Functional Features

• Transient Voltage Suppression: Provides protection by diverting excessive current away from sensitive electronic components during voltage transients.
• Fast Response Time: Reacts quickly to transient voltage spikes, safeguarding the circuitry.
• Low Clamping Voltage: Limits the voltage across the protected device during transient events.

Advantages and Disadvantages

• Advantages:
  • Effective protection against voltage transients
  • Fast response time
  • Low clamping voltage
  • High surge current capability
• Disadvantages:
  • Sensitive to reverse over-voltage conditions
  • Limited power dissipation capability

Working Principles

The PGSMAJ7.0AHR3G operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage exceeds the specified level, thereby protecting the connected circuitry.

Detailed Application Field Plans

This diode is commonly used in various electronic systems such as power supplies, communication equipment, automotive electronics, and industrial controls to protect against voltage surges induced by lightning, ESD, or other transient events.

Detailed and Complete Alternative Models

• Alternative Model 1: PGSMAJ6.5AHR3G
• Alternative Model 2: PGSMAJ8.0AHR3G
• Alternative Model 3: PGSMAJ9.0AHR3G

In summary, the PGSMAJ7.0AHR3G transient voltage suppressor diode offers effective protection against voltage transients with its fast response time, low clamping voltage, and high surge current capability. It finds widespread use in diverse electronic applications and has several alternative models available for varying voltage requirements.

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