SMCJ70CE3/TR13 - Product Encyclopedia Entry

Introduction

The SMCJ70CE3/TR13 is a diode belonging to the category of transient voltage suppressor (TVS) diodes. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the SMCJ70CE3/TR13.

Basic Information Overview

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

Specifications

• Voltage - Reverse Standoff (Typ): 70V
• Voltage - Breakdown (Min): 77.8V
• Voltage - Clamping (Max) @ Ipp: 113V
• Current - Peak Pulse (10/1000µs): 30.6A
• Power - Peak Pulse: 1500W
• Operating Temperature: -55°C to 150°C

Detailed Pin Configuration

The SMCJ70CE3/TR13 typically has two pins, with the cathode marked by a band or a line on the body of the diode.

Functional Features

• Transient Voltage Suppression: Rapidly clamps transient overvoltages to protect downstream components.
• Low Clamping Voltage: Ensures minimal stress on protected circuits during transient events.
• Fast Response Time: Quickly responds to voltage transients, minimizing the risk of damage to sensitive electronics.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Low clamping voltage
• High surge current capability

Disadvantages

• May require additional circuitry for comprehensive overvoltage protection
• Limited to unidirectional protection

Working Principles

The SMCJ70CE3/TR13 operates by diverting excess transient voltage away from sensitive components, thereby limiting the voltage across the protected circuit. When a transient voltage exceeds the breakdown voltage of the diode, it conducts, shunting the excess energy to ground and preventing damage to downstream components.

Detailed Application Field Plans

The SMCJ70CE3/TR13 is commonly used in various applications, including: - Power supplies - Communication systems - Automotive electronics - Industrial equipment - Consumer electronics

Detailed and Complete Alternative Models

• Alternative Model 1: P6KE68CA
  • Category: TVS Diode
  • Voltage - Reverse Standoff: 68V
  • Package: DO-15
• Alternative Model 2: SMAJ70A
  • Category: TVS Diode
  • Voltage - Reverse Standoff: 70V
  • Package: SMA (DO-214AC)

In conclusion, the SMCJ70CE3/TR13 is a vital component in protecting electronic circuits from transient voltage events. Its fast response time, low clamping voltage, and high surge current capability make it an essential part of many electronic systems.

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