SMAJ17A - Product Overview

Introduction

SMAJ17A is a diode belonging to the category of transient voltage suppressors (TVS). It is commonly used to protect sensitive electronic components from voltage spikes and transients. This entry provides an overview of SMAJ17A, 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: Protecting electronic circuits from voltage spikes and transients
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: SMA (DO-214AC)
• Essence: Safeguarding sensitive electronic components
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Peak Power Dissipation: 400W
• Breakdown Voltage: 17V
• Operating Voltage: 14.4V
• Maximum Reverse Leakage Current: 1μA
• Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMAJ17A diode has two pins: 1. Anode (A) - Connected to the positive terminal of the circuit 2. Cathode (K) - Connected to the negative terminal of the circuit

Functional Features

• Transient Voltage Suppression: Quickly clamps excessive voltage levels to protect downstream components
• Fast Response Time: Rapid reaction to voltage transients
• Low Clamping Voltage: Limits the voltage across the protected circuit
• High Surge Current Capability: Can handle large transient currents without damage

Advantages and Disadvantages

Advantages

• Effective protection against voltage spikes
• Fast response time
• Compact package size

Disadvantages

• Limited to specific voltage ratings
• May require additional circuitry for comprehensive protection

Working Principles

When a voltage spike occurs, the SMAJ17A diode conducts and clamps the voltage to a safe level, diverting excess current away from the protected circuit. This action prevents damage to sensitive components by limiting the voltage across them.

Detailed Application Field Plans

SMAJ17A 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 circuits from power line disturbances - Consumer Electronics: Protecting sensitive devices like smartphones and tablets from charging voltage spikes

Detailed and Complete Alternative Models

Some alternative TVS diodes to SMAJ17A include: - P6KE15CA: Similar breakdown voltage and power dissipation - 1.5SMC16CA: Higher surge current capability - SMBJ17CA: Smaller package size with comparable characteristics

In conclusion, SMAJ17A is a crucial component in protecting electronic circuits from voltage spikes and transients. Its fast response time, low clamping voltage, and high surge current capability make it suitable for a wide range of applications.

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