SMA5J17HE3/5A

Product Overview

Category

The SMA5J17HE3/5A belongs to the category of semiconductor devices, specifically a transient voltage suppressor (TVS) diode.

Use

It is used for surge protection in electronic circuits to prevent damage from voltage spikes and transients.

Characteristics

• Voltage Suppression: Capable of suppressing high voltage transients.
• Fast Response Time: Provides quick response to transient events.
• Low Clamping Voltage: Ensures minimal impact on the protected circuit.
• Compact Package: Small form factor for easy integration into circuit designs.

Package

The SMA5J17HE3/5A is typically available in a surface mount package, making it suitable for automated assembly processes.

Essence

The essence of SMA5J17HE3/5A lies in its ability to protect sensitive electronic components from voltage surges and transients, thereby enhancing the reliability and longevity of electronic devices.

Packaging/Quantity

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

Specifications

• Peak Pulse Power: 5000W
• Standoff Voltage: 17V
• Breakdown Voltage: 18.9V
• Clamping Voltage: 27.4V
• Operating Temperature Range: -55°C to 150°C
• Package Type: SMA

Detailed Pin Configuration

The SMA5J17HE3/5A typically features two pins for surface mount soldering onto the PCB. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Transient Voltage Suppression: Rapidly clamps transient voltages to safe levels.
• Reverse Standoff Capability: Protects against both positive and negative voltage transients.
• Low Leakage Current: Minimizes power consumption during normal operation.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Compact size for space-constrained applications

Disadvantages

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

Working Principles

The SMA5J17HE3/5A operates by diverting excess transient energy away from the protected circuit, thereby limiting the voltage across the load to a safe level. This is achieved through rapid conduction when the voltage exceeds the breakdown voltage, effectively shunting the transient energy to ground.

Detailed Application Field Plans

The SMA5J17HE3/5A finds extensive application in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• SMA6J17A: Similar TVS diode with higher peak pulse power handling.
• SMBJ17CA: TVS diode with a different package type and lower peak pulse power rating.
• P6KE17CA: Axial leaded TVS diode suitable for through-hole mounting.

In conclusion, the SMA5J17HE3/5A serves as a crucial component in safeguarding electronic circuits from voltage transients, offering reliable protection and contributing to the longevity of electronic devices across diverse applications.

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