SMAJ120C - Product Overview

Introduction

The SMAJ120C is a diode belonging to the category of transient voltage suppressors (TVS). It is commonly used for surge protection in electronic circuits to safeguard against voltage spikes and transients. This entry provides an overview of the SMAJ120C, 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 Diode
• Use: Surge protection in electronic circuits
• Characteristics: Fast response time, low clamping voltage
• Package: DO-214AC (SMA)
• Essence: Protects sensitive electronic components from voltage spikes
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Part Number: SMAJ120C
• Peak Pulse Power: 400W
• Breakdown Voltage: 120V
• Clamping Voltage: 193V at 1A
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ120C diode has a standard DO-214AC (SMA) package with two pins. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

• Fast response to transient over-voltage conditions
• Low clamping voltage to protect downstream components
• High surge current capability
• RoHS compliant

Advantages and Disadvantages

Advantages

• Effective surge protection
• Fast response time
• Compact form factor
• RoHS compliant

Disadvantages

• Limited peak pulse power handling capacity
• Higher clamping voltage compared to some alternatives

Working Principles

The SMAJ120C operates by diverting excess transient voltage away from sensitive components. When a voltage spike occurs, the diode rapidly conducts, providing a low-impedance path for the surge current to flow through, thus limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMAJ120C is widely used in various applications, including: - Power supplies - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative TVS diodes to SMAJ120C include: - P6SMB120CA - 1.5SMC120CA - SMBJ120CA - SMCJ120CA

In conclusion, the SMAJ120C transient voltage suppressor diode offers effective surge protection for electronic circuits, with fast response time and low clamping voltage. While it has certain limitations, it is a popular choice for various applications due to its reliability and compact design.

Word count: 410