SMBJ78D-M3/H

Introduction

The SMBJ78D-M3/H is a diode belonging to the category of transient voltage suppressor (TVS) diodes. These diodes are widely used in electronic circuits to protect sensitive components from voltage spikes and transients. The SMBJ78D-M3/H diode offers unique characteristics, packaging, and specifications that make it suitable for various applications.

Basic Information Overview

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

Specifications

• Voltage - Reverse Standoff (Typ): 78V
• Voltage - Breakdown: 86.7V
• Clamping Voltage: 126V
• Peak Pulse Current: 10A
• Capacitance: 150pF
• Operating Temperature: -55°C to 150°C
• Mounting Style: SMD/SMT

Detailed Pin Configuration

The SMBJ78D-M3/H diode typically has two pins, with the cathode identified by a line on the body of the diode.

Functional Features

• Rapid response to transient voltage events
• Low clamping voltage to minimize stress on protected components
• High surge current capability for reliable protection

Advantages and Disadvantages

Advantages

• Effective protection against voltage spikes
• Compact SMD/SMT package for easy integration into circuit designs
• Wide operating temperature range for versatility

Disadvantages

• Limited peak pulse current compared to some higher-rated TVS diodes
• Higher capacitance compared to some other TVS diodes

Working Principles

When a transient voltage spike occurs, the SMBJ78D-M3/H diode rapidly conducts, diverting the excess energy away from the protected circuit. This action helps to limit the voltage across the circuit, preventing damage to sensitive components.

Detailed Application Field Plans

The SMBJ78D-M3/H diode finds application in various fields, including: - Telecommunications equipment - Industrial control systems - Automotive electronics - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMBJ78D-M3/H diode include: - SMAJ78A - P6SMBJ78A - 1.5SMCJ78A

In conclusion, the SMBJ78D-M3/H diode is a vital component in protecting electronic circuits from voltage transients and spikes. Its unique characteristics and performance make it a popular choice in various industries.

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