SMDJ170C: Product Overview and Analysis

Introduction

The SMDJ170C is a crucial component in the field of electronics, belonging to the category of surface mount TVS diodes. This article provides an in-depth analysis of the SMDJ170C, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Surface Mount TVS Diodes
• Use: Protection against transient voltage spikes
• Characteristics: High surge capability, low clamping voltage, fast response time
• Package: SMD (Surface Mount Device)
• Essence: Safeguarding electronic circuits from voltage transients
• Packaging/Quantity: Typically available in reels or tubes, quantity varies by manufacturer

Specifications

• Voltage Rating: 170V
• Peak Pulse Power: 3000W
• Breakdown Voltage: 188V to 207V
• Operating Temperature Range: -55°C to +150°C
• Package Type: DO-214AB (SMC)

Detailed Pin Configuration

The SMDJ170C typically follows the standard pin configuration for surface mount diodes, with the anode and cathode clearly marked on the package. The specific pinout can be referenced from the manufacturer's datasheet for precise details.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient overvoltage to protect sensitive electronic components.
• Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the protected circuitry.
• High Surge Capability: Capable of withstanding high surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Compact SMD package for space-constrained applications

Disadvantages

• Limited to specific voltage ratings
• May require additional components for comprehensive circuit protection

Working Principles

The SMDJ170C operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage exceeds the breakdown voltage, diverting the transient energy away from the protected circuit.

Detailed Application Field Plans

The SMDJ170C finds extensive use in various applications, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Several alternative models to the SMDJ170C include: - SMAJ170A: Similar characteristics with a different package type - P6SMB170A: Through-hole mount variant with comparable specifications - SMBJ170CA: Lower profile SMD variant with similar performance

In conclusion, the SMDJ170C plays a vital role in protecting electronic circuits from transient voltage spikes, offering a balance of surge capability, clamping voltage, and response time. Its application spans across diverse industries, making it a critical component in modern electronic designs.

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