SMBJ300 Product Overview

Introduction

The SMBJ300 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 transients. This entry provides a comprehensive overview of the SMBJ300, 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 transients
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: SMB (DO-214AA)
• Essence: Safeguarding sensitive electronic components
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

• Part Number: SMBJ300
• Standoff Voltage: 300V
• Breakdown Voltage: 333V - 370V
• Peak Pulse Power: 600W
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ300 TVS diode typically 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 protected circuits
• High Surge Current Capability: Can handle large transient currents without damage

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited to specific voltage ranges
• May require additional circuitry for comprehensive protection

Working Principles

When a voltage spike occurs, the SMBJ300 TVS diode conducts and clamps the voltage to a safe level, diverting the excess energy away from the protected circuit. This rapid response protects sensitive components from damage.

Detailed Application Field Plans

The SMBJ300 is commonly used in various applications, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• Alternative Model 1: SMBJ5.0A (Standoff Voltage: 5V)
• Alternative Model 2: SMBJ15CA (Standoff Voltage: 15V)
• Alternative Model 3: SMBJ58A (Standoff Voltage: 58V)
• Alternative Model 4: SMBJ440A (Standoff Voltage: 440V)

In conclusion, the SMBJ300 TVS diode offers effective transient voltage suppression with fast response times and high surge current capability. Its compact package and wide operating temperature range make it suitable for diverse electronic applications.

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