SMAJ43A-TR

Introduction

The SMAJ43A-TR is a diode belonging to the category of transient voltage suppressors (TVS). This device is commonly used to protect sensitive electronic components from voltage spikes and transients. The SMAJ43A-TR possesses specific characteristics, packaging, and quantity that make it suitable for various applications in the electronics industry.

Basic Information Overview

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

Specifications

The SMAJ43A-TR has the following specifications: - Standoff Voltage: 43V - Breakdown Voltage: 47.8V - Peak Pulse Power: 400W - Operating Temperature Range: -55°C to +150°C - Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ43A-TR typically consists of two pins, with the anode and cathode terminals clearly identified for proper installation and connection within a circuit.

Functional Features

• Transient Voltage Suppression: Provides rapid response to transient voltage events, diverting excess energy 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 substantial surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Compact form factor
• Wide operating temperature range

Disadvantages

• Limited to specific voltage ratings
• Requires careful consideration of placement within the circuit

Working Principles

The SMAJ43A-TR operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage exceeds its breakdown voltage. This action effectively shunts the excess energy away from the protected circuit, preventing damage to sensitive components.

Detailed Application Field Plans

The SMAJ43A-TR finds application in various fields, including: - Telecommunications: Protects communication equipment from lightning-induced surges - Automotive Electronics: Safeguards vehicle electronics from voltage transients - Industrial Control Systems: Shields control circuitry from power supply fluctuations - Consumer Electronics: Protects sensitive devices from power line disturbances

Detailed and Complete Alternative Models

Some alternative models to the SMAJ43A-TR include: - P6KE43CA: Similar TVS diode with comparable specifications - 1.5KE43A: Higher power TVS diode suitable for more demanding applications - SMBJ43A: Surface mount TVS diode with similar voltage rating

In conclusion, the SMAJ43A-TR serves as a crucial component in protecting electronic circuits from voltage transients and spikes. Its fast response time, low clamping voltage, and high surge current capability make it a valuable asset in various applications across different industries.

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