SMAJ170CAHE3/5A

Product Overview

Category

The SMAJ170CAHE3/5A belongs to the category of electronic components, specifically within the realm of semiconductor devices.

Use

This product is primarily used for transient voltage suppression in electronic circuits to protect sensitive components from voltage spikes and surges.

Characteristics

• Voltage Suppression: Capable of suppressing transient voltages up to a certain level.
• Fast Response Time: Rapid response to voltage transients, ensuring minimal impact on the protected circuitry.
• Compact Size: Designed to occupy minimal space on the circuit board.
• High Reliability: Provides consistent protection over multiple transient events.

Package

The SMAJ170CAHE3/5A is typically available in a surface-mount package, allowing for easy integration into modern circuit designs.

Essence

The essence of this product lies in its ability to safeguard delicate electronic components from potentially damaging voltage fluctuations.

Packaging/Quantity

It is commonly supplied in reels or tubes, with quantities varying based on manufacturer and distributor specifications.

Specifications

• Part Number: SMAJ170CAHE3/5A
• Peak Pulse Power Dissipation: 400W
• Breakdown Voltage: 170V
• Operating Temperature Range: -55°C to +150°C
• Package Type: DO-214AC (SMA)

Detailed Pin Configuration

The SMAJ170CAHE3/5A features a standard DO-214AC (SMA) package with two pins. Pin 1 is the cathode, while pin 2 serves as the anode.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to safe levels, protecting downstream components.
• Low Clamping Voltage: Ensures that the protected circuitry is exposed to minimal voltage stress during transient events.
• Fast Reaction Time: Rapid response to transient voltage spikes, minimizing the risk of damage to sensitive electronics.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Compact form factor for easy integration
• Fast response time for enhanced circuit protection

Disadvantages

• Limited peak pulse power dissipation compared to higher-rated devices
• May require additional circuitry for comprehensive surge protection in high-power applications

Working Principles

The SMAJ170CAHE3/5A operates by diverting excessive transient currents away from sensitive components, thereby limiting the voltage across the protected circuit. This is achieved through the use of a robust semiconductor junction that rapidly conducts when subjected to high transient voltages.

Detailed Application Field Plans

Electronic Circuits

• Used in power supplies, communication equipment, and consumer electronics to safeguard against voltage surges.
• Integrated into data lines and signal interfaces to protect against electrostatic discharge (ESD) events.

Industrial Automation

• Employed in control systems and sensor interfaces to ensure reliable operation in harsh electrical environments.

Automotive Electronics

• Utilized in automotive control units and onboard electronics to mitigate the effects of voltage transients caused by load dumps and other automotive-specific events.

Detailed and Complete Alternative Models

• P6KE170CA: Similar transient voltage suppressor with a peak power dissipation of 600W.
• 1.5SMC170CA: Higher-rated device with a peak power dissipation of 1500W, suitable for more demanding applications.

In conclusion, the SMAJ170CAHE3/5A serves as a crucial component in protecting electronic circuits from transient voltage events. Its compact size, fast response time, and reliable performance make it a valuable asset in various industries, ensuring the integrity and longevity of sensitive electronic systems.

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