SMAJ180A - Product Overview

Introduction

SMAJ180A is a diode belonging to the category of transient voltage suppressor (TVS) diodes. These diodes are widely used for protecting sensitive electronics from voltage spikes and surges. The SMAJ180A diode offers unique characteristics and features that make it suitable for various applications.

Basic Information Overview

• Category: Transient Voltage Suppressor (TVS) Diode
• Use: Protection against voltage spikes and surges
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: SMA (DO-214AC)
• Essence: Safeguarding electronic circuits from transient overvoltage events
• Packaging/Quantity: Available in reels or bulk packaging, quantity varies by manufacturer

Specifications

• Part Number: SMAJ180A
• Peak Pulse Power: 400W
• Breakdown Voltage: 180V
• Operating Voltage: 154V
• Clamping Voltage: 246V
• Peak Pulse Current: 6.5A
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ180A diode has two pins, anode, and cathode. The anode is typically marked with a band on the body of the diode, while the cathode is the other terminal.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient overvoltages to protect downstream components.
• Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the protected circuit.
• Low Clamping Voltage: Limits the voltage across the protected circuit during transient events.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Compact size and easy to integrate into circuit designs
• High surge current capability

Disadvantages

• Limited to low to medium power applications
• May require additional components for comprehensive overvoltage protection

Working Principles

When a transient overvoltage occurs, the SMAJ180A diode conducts and clamps the voltage to a safe level, diverting excess current away from the sensitive components. This rapid response protects the circuit from damage due to voltage spikes.

Detailed Application Field Plans

The SMAJ180A diode finds extensive use in various applications, including: - Telecommunications: Protecting communication equipment from lightning-induced surges. - Automotive Electronics: Safeguarding vehicle electronics from voltage transients. - Industrial Control Systems: Shielding control circuitry from power surges and ESD events.

Detailed and Complete Alternative Models

• 1. P6SMB180A: Similar TVS diode with higher peak pulse power handling.
• 2. SMBJ180A: TVS diode with a smaller package size for space-constrained applications.
• 3. 1.5SMC180A: Higher power TVS diode for applications requiring greater surge current capability.

In conclusion, the SMAJ180A diode serves as a crucial component in protecting electronic circuits from transient overvoltage events. Its fast response time, low clamping voltage, and high surge current capability make it a reliable choice for a wide range of applications.

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