CD214A-B140R Product Overview

Introduction

The CD214A-B140R is a specialized electronic component belonging to the category of transient voltage suppressors (TVS). This device is designed to protect sensitive electronic circuits from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. The following entry provides an in-depth overview of the CD214A-B140R, including its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Transient Voltage Suppressors (TVS)
• Use: Protection of sensitive electronic circuits from voltage transients
• Characteristics: High surge capability, low clamping voltage, fast response time
• Package: DO-214AC (SMA), DO-214AA (SMB), or DO-214AB (SMC)
• Essence: Safeguarding electronic components from transient voltage events
• Packaging/Quantity: Typically available in reels or bulk packaging, quantity varies based on supplier

Specifications

• Part Number: CD214A-B140R
• Peak Pulse Power: 400 Watts
• Standoff Voltage: 140V
• Breakdown Voltage: 156V to 174V
• Operating Temperature: -55°C to +150°C
• RoHS Compliant: Yes

Detailed Pin Configuration

The CD214A-B140R typically features two pins for connection. The pin configuration is as follows: 1. Pin 1: Anode 2. Pin 2: Cathode

Functional Features

• Transient Voltage Suppression: Provides protection against voltage transients by diverting excessive current away from sensitive components.
• Fast Response Time: Rapidly responds to transient voltage events, minimizing the risk of damage to connected circuits.
• Low Clamping Voltage: Limits the voltage across the protected circuit during transient events, reducing the risk of overvoltage damage.

Advantages and Disadvantages

Advantages

• Effective protection against transient voltage events
• Compact form factor for easy integration into circuit designs
• RoHS compliant, ensuring environmental sustainability

Disadvantages

• Limited to specific voltage ranges, may require multiple devices for broader protection coverage
• Requires proper installation and circuit design considerations for optimal performance

Working Principles

The CD214A-B140R operates based on the principle of avalanche breakdown. When a transient voltage event occurs, the TVS device rapidly switches into a low impedance state, shunting excess current away from the protected circuit. This action effectively limits the voltage across the circuit, safeguarding sensitive components from damage.

Detailed Application Field Plans

The CD214A-B140R finds extensive application in various electronic systems requiring protection from transient voltage events. Some key application fields include: - Telecommunication Equipment: Protects communication systems from lightning-induced surges and ESD events. - Industrial Control Systems: Safeguards control circuitry from voltage transients in industrial environments. - Automotive Electronics: Provides protection for automotive electronic control units (ECUs) from voltage spikes and ESD.

Detailed and Complete Alternative Models

Several alternative models with similar functionality and characteristics are available in the market. Some notable alternatives to the CD214A-B140R include: - 1. SMAJ140A: Standoff Voltage: 140V, Peak Pulse Power: 400 Watts - 2. SMBJ140A: Standoff Voltage: 140V, Peak Pulse Power: 600 Watts - 3. SMCJ140A: Standoff Voltage: 140V, Peak Pulse Power: 1500 Watts

In conclusion, the CD214A-B140R serves as a crucial component in protecting electronic circuits from transient voltage events, offering effective suppression capabilities and fast response times. Its application spans across diverse industries, contributing to the reliability and longevity of electronic systems.

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