SMF17A-HE3-08

Product Overview

Category

SMF17A-HE3-08 belongs to the category of surface mount TVS (Transient Voltage Suppressor) diodes.

Use

It is primarily used for transient voltage protection in electronic circuits, providing robust protection against voltage transients induced by lightning, ESD (electrostatic discharge), and other transient voltage events.

Characteristics

• Low clamping voltage
• Fast response time
• High surge current capability
• RoHS compliant

Package

The SMF17A-HE3-08 is available in a compact, surface-mount package, making it suitable for automated assembly processes.

Essence

The essence of SMF17A-HE3-08 lies in its ability to safeguard sensitive electronic components from voltage spikes and surges, ensuring the reliability and longevity of electronic devices.

Packaging/Quantity

Typically packaged in reels, the quantity per reel varies based on the manufacturer's specifications.

Specifications

• Peak Pulse Power: 300W
• Breakdown Voltage Range: 15V to 28V
• Maximum Clamping Voltage: 24.4V at 10A
• Operating Temperature Range: -55°C to +150°C
• Package Type: SOD-123FL

Detailed Pin Configuration

The SMF17A-HE3-08 features a standard SOD-123FL package with two pins. Pin 1 is the anode, and pin 2 is the cathode.

Functional Features

• Transient voltage suppression
• Reverse standoff voltage protection
• Low leakage current

Advantages and Disadvantages

Advantages

• Robust protection against transient voltage events
• Compact surface-mount package
• Low clamping voltage for enhanced protection

Disadvantages

• Limited power dissipation capability compared to larger TVS diodes
• May require additional circuitry for higher energy transient events

Working Principles

When a transient voltage event occurs, the SMF17A-HE3-08 rapidly clamps the voltage to a safe level, diverting the excess energy away from the protected circuit. This action helps prevent damage to sensitive electronic components.

Detailed Application Field Plans

The SMF17A-HE3-08 is widely used in various applications, including: - Consumer electronics - Telecommunications equipment - Industrial control systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

Several alternative models to SMF17A-HE3-08 include: - SMAJ15A: Similar peak pulse power and breakdown voltage range - SMBJ20CA: Higher peak pulse power and breakdown voltage range - SMCJ18A: Greater surge current capability and lower clamping voltage

In conclusion, the SMF17A-HE3-08 surface mount TVS diode offers reliable transient voltage protection in a compact package, making it an essential component in safeguarding electronic circuits from voltage transients.

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