SMBJ15 Product Overview

Introduction

The SMBJ15 belongs to the category of transient voltage suppressor (TVS) diodes, which are widely used in electronic circuits to protect sensitive components from voltage spikes and surges. This entry provides a comprehensive overview of the SMBJ15, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Transient Voltage Suppressor (TVS) Diode
• Use: Protecting electronic circuits from voltage spikes and surges
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: SMB (DO-214AA)
• Essence: Silicon TVS Diode
• Packaging/Quantity: Tape & Reel (1000 pieces)

Specifications

• Peak Power Dissipation: 600W
• Breakdown Voltage Range: 16.7V to 18.5V
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ15 TVS diode has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

• Transient Voltage Suppression: Quickly clamps voltage spikes to a safe level
• Fast Response Time: Rapid reaction to transient events
• Low Clamping Voltage: Limits the voltage across the protected circuit
• High Surge Current Capability: Ability to handle large surge currents

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Compact size for easy integration into circuits

Disadvantages

• Limited power dissipation capability compared to larger TVS diodes
• May require additional circuitry for overvoltage protection in some applications

Working Principles

When a voltage spike occurs in the circuit, the SMBJ15 TVS diode conducts and clamps the voltage to a safe level, protecting the downstream components. It does this by diverting the excess current away from the protected circuit.

Detailed Application Field Plans

The SMBJ15 is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative TVS diode models to SMBJ15 include: - SMAJ15A: Similar characteristics but in a different package (SMA) - P6SMBJ15A: Higher power dissipation capability (600W)

In conclusion, the SMBJ15 TVS diode offers effective protection against voltage spikes and surges in a wide range of electronic applications. Its fast response time, low clamping voltage, and high surge current capability make it a popular choice for circuit protection.

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