SM5S18HE3/2D

Product Category

The SM5S18HE3/2D belongs to the category of semiconductor devices, specifically a TVS (Transient Voltage Suppressor) diode.

Basic Information Overview

• Use: The SM5S18HE3/2D is used for surge protection in electronic circuits, providing transient voltage suppression.
• Characteristics: It has a high surge capability and low clamping voltage, making it suitable for protecting sensitive electronic components from voltage spikes.
• Package: The device is available in a DO-218AB package.
• Essence: Its essence lies in safeguarding electronic circuits from voltage transients.
• Packaging/Quantity: Typically, the SM5S18HE3/2D is available in reels with a specific quantity per reel.

Specifications

• Peak Pulse Power: 5000W
• Breakdown Voltage: 18V
• Clamping Voltage: 29.2V
• Operating Temperature Range: -55°C to 175°C
• Polarity: Unidirectional

Detailed Pin Configuration

The SM5S18HE3/2D typically consists of three pins: anode, cathode, and the case.

Functional Features

• Transient Voltage Suppression: Effectively suppresses transient voltages to protect downstream electronic components.
• Fast Response Time: Rapidly responds to voltage transients to prevent damage to the circuitry.

Advantages and Disadvantages

• Advantages:
  • High surge capability
  • Low clamping voltage
  • Fast response time
• Disadvantages:
  • Unidirectional protection only
  • May require additional components for bidirectional protection

Working Principles

The SM5S18HE3/2D operates by diverting excessive transient current away from sensitive electronic components when a voltage spike occurs, thereby limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SM5S18HE3/2D is commonly used in various applications such as: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the SM5S18HE3/2D include: - SMAJ18A - P6SMB18A - 1.5KE18A

This provides a comprehensive overview of the SM5S18HE3/2D, covering its category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.