SMAJ90 Product Overview

Introduction

The SMAJ90 is a diode belonging to the category of transient voltage suppressor (TVS) diodes. These diodes are widely used in electronic circuits to protect sensitive components from voltage spikes and transients. The SMAJ90 diode provides essential protection for various electronic devices and systems, offering specific characteristics, packaging, and functional features that make it a valuable component in many applications.

Basic Information Overview

• Category: Transient Voltage Suppressor (TVS) Diode
• Use: Protection against voltage spikes and transients in electronic circuits
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: SMA (DO-214AC)
• Essence: Safeguarding sensitive electronic components
• Packaging/Quantity: Available in tape and reel packaging, with varying quantities based on manufacturer specifications

Specifications

• Part Number: SMAJ90
• Peak Pulse Power: 400W
• Breakdown Voltage: 90V
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ90 diode has a standard SMA (DO-214AC) package with two pins. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

• Transient Voltage Suppression: Provides rapid response to voltage spikes, diverting excess current away from sensitive components.
• Low Clamping Voltage: Limits the voltage across the protected circuit during transient events, minimizing potential damage.
• High Surge Current Capability: Can handle significant surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Compact and easy to integrate into circuit designs

Disadvantages

• Limited to specific voltage ranges
• May require additional components for comprehensive circuit protection

Working Principles

The SMAJ90 operates by shunting excess current away from sensitive components when a transient voltage event occurs. It rapidly clamps the voltage to a safe level, preventing damage to the circuitry.

Detailed Application Field Plans

The SMAJ90 diode finds extensive use in various applications, including: - Power Supplies: Protects power supply units from voltage surges - Telecommunication Equipment: Safeguards sensitive communication devices from transient events - Automotive Electronics: Provides protection for automotive electronic systems - Industrial Control Systems: Ensures reliability in industrial automation and control applications

Detailed and Complete Alternative Models

• Alternative Model 1: SMBJ90A
  • Category: TVS Diode
  • Breakdown Voltage: 90V
  • Package: SMB (DO-214AA)
• Alternative Model 2: P6KE90CA
  • Category: TVS Diode
  • Breakdown Voltage: 90V
  • Package: DO-15

In conclusion, the SMAJ90 diode serves as a crucial component in protecting electronic circuits from voltage transients, offering fast response times, low clamping voltages, and high surge current capabilities. Its application spans across various industries, ensuring the reliability and longevity of electronic systems.

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