SMDJ48A-HRA

Introduction

The SMDJ48A-HRA is a high-reliability TVS (transient voltage suppressor) diode designed to protect sensitive electronics from voltage transients induced by lightning and other transient voltage events. This entry provides an overview of the product, including its category, use, characteristics, package, essence, packaging/quantity, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Product Overview

• Category: Electronic Component
• Use: Protection against voltage transients induced by lightning and other transient voltage events
• Characteristics: High reliability, robust protection, low clamping voltage
• Package: Surface Mount
• Essence: Transient Voltage Suppressor Diode
• Packaging/Quantity: Tape & Reel, 1500 units per reel

Specifications

• Part Number: SMDJ48A-HRA
• Peak Pulse Power: 3000W
• Breakdown Voltage: 48V
• Operating Voltage: 38.9V
• Clamping Voltage: 77.4V
• Peak Pulse Current: 61.3A
• Reverse Standoff Voltage: 48V
• RoHS Compliant: Yes

Detailed Pin Configuration

The SMDJ48A-HRA has a standard surface mount package with two terminals for connection to the circuit board. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Robust protection against transient voltage events
• Low clamping voltage for enhanced protection of sensitive electronics
• High reliability for extended service life

Advantages and Disadvantages

Advantages

• High reliability
• Robust protection
• Low clamping voltage
• RoHS compliant

Disadvantages

• Higher cost compared to standard TVS diodes
• Surface mount package may require specialized assembly techniques

Working Principles

The SMDJ48A-HRA operates based on the principle of avalanche breakdown. When a transient voltage event occurs, the diode rapidly conducts, diverting the excess energy away from the protected circuit. The low clamping voltage ensures that the protected electronics are shielded from damage.

Detailed Application Field Plans

The SMDJ48A-HRA is suitable for a wide range of applications, including: - Telecommunication equipment - Industrial control systems - Power supplies - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• SMDJ5.0A-HRA: 5.0V Breakdown Voltage
• SMDJ12A-HRA: 12V Breakdown Voltage
• SMDJ24A-HRA: 24V Breakdown Voltage
• SMDJ36A-HRA: 36V Breakdown Voltage

In conclusion, the SMDJ48A-HRA is a high-reliability TVS diode offering robust protection against transient voltage events. Its low clamping voltage and high reliability make it suitable for a wide range of applications in various industries.

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