SMAJ5945CE3/TR13

Product Overview

Category

The SMAJ5945CE3/TR13 belongs to the category of semiconductor devices, specifically a type of transient voltage suppressor (TVS) diode.

Use

It is commonly used for protecting sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Characteristics

• Voltage Suppression: Capable of suppressing transient voltages to protect downstream components.
• Fast Response Time: Provides rapid response to transient voltage events.
• Low Clamping Voltage: Ensures minimal impact on the protected circuit during transient events.
• Compact Package: Small form factor suitable for integration into various electronic designs.

Package

The SMAJ5945CE3/TR13 is typically available in a surface-mount package, such as SMB (DO-214AA), with tape and reel packaging for automated assembly.

Essence

The essence of this product lies in its ability to safeguard electronic circuits from potentially damaging transient voltage spikes, thereby enhancing the reliability and longevity of electronic systems.

Packaging/Quantity

It is commonly supplied in reels containing a specific quantity, such as 3000 units per reel, to facilitate high-volume manufacturing and assembly processes.

Specifications

• Peak Pulse Power: 400 W
• Breakdown Voltage: 51 V
• Operating Voltage: 43.6 V
• Clamping Voltage: 70.1 V
• Maximum Surge Current: 10 A
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ5945CE3/TR13 TVS diode typically features two pins for surface-mount soldering onto the printed circuit board (PCB). The pin configuration follows industry-standard specifications for SMB package diodes.

Functional Features

• Transient Voltage Suppression: Rapidly clamps transient voltages to safe levels, protecting downstream components.
• Low Leakage Current: Minimizes power consumption and heat dissipation during normal operation.
• Robust Construction: Designed to withstand multiple transient events without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against transient voltage events.
• Fast response time.
• Compact form factor for space-constrained designs.
• Low clamping voltage minimizes impact on protected circuits.

Disadvantages

• Limited surge current handling capability compared to larger TVS diode models.
• Higher cost compared to basic ESD protection devices.

Working Principles

The SMAJ5945CE3/TR13 operates based on the principle of avalanche breakdown, where it rapidly conducts excess voltage away from the protected circuit, limiting the voltage across the circuit to a safe level.

Detailed Application Field Plans

The SMAJ5945CE3/TR13 finds extensive application in various electronic systems, including: - Telecommunication Equipment: Protects sensitive communication equipment from lightning-induced surges. - Industrial Control Systems: Safeguards control systems from transient events in harsh industrial environments. - Automotive Electronics: Provides protection for automotive electronics against voltage transients.

Detailed and Complete Alternative Models

• P6KE51CA: Similar TVS diode with comparable specifications and performance characteristics.
• 1.5SMC51CA: Alternative TVS diode offering similar transient voltage suppression capabilities.

In conclusion, the SMAJ5945CE3/TR13 TVS diode offers effective transient voltage protection for a wide range of electronic applications, ensuring the reliability and longevity of sensitive electronic systems.

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