SMBJ20A-TR

Product Overview

The SMBJ20A-TR belongs to the category of transient voltage suppressor diodes. These diodes are widely used for surge protection in various electronic circuits. The SMBJ20A-TR is designed to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge. Its characteristics include high surge capability, fast response time, and low clamping voltage. The SMBJ20A-TR is typically available in a surface mount package and is offered in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

• Part Number: SMBJ20A-TR
• Category: Transient Voltage Suppressor Diode
• Use: Surge protection in electronic circuits
• Characteristics: High surge capability, fast response time, low clamping voltage
• Package: Surface mount
• Packaging/Quantity: Tape and reel, 3000 units per reel

Detailed Pin Configuration

The SMBJ20A-TR typically has two pins, with the pinout configuration as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

The SMBJ20A-TR provides effective protection against voltage transients by diverting excessive current away from sensitive components. It offers a fast response time, which ensures minimal voltage overshoot during transient events. Additionally, its low clamping voltage helps in limiting the voltage across the protected circuit.

Advantages and Disadvantages

Advantages

• Effective surge protection
• Fast response time
• Low clamping voltage

Disadvantages

• Limited power dissipation capability
• Sensitive to overvoltage conditions

Working Principles

When a transient voltage surge occurs, the SMBJ20A-TR conducts current and clamps the voltage to a safe level, protecting the downstream electronic components. This is achieved through the reverse-biased PN junction, which allows the diode to conduct when the voltage exceeds its breakdown voltage.

Detailed Application Field Plans

The SMBJ20A-TR is commonly used in various applications such as: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMBJ20A-TR include: - SMAJ20A-TR - SMCJ20A-TR - P6SMBJ20A-TR - 1.5SMCJ20A-TR

In conclusion, the SMBJ20A-TR transient voltage suppressor diode offers effective surge protection with its fast response time and low clamping voltage. While it has limitations in power dissipation and sensitivity to overvoltage conditions, it remains a popular choice for safeguarding electronic circuits in various applications.

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