SMLJ18A-TP: Product Overview and Specifications

Introduction

The SMLJ18A-TP is a transient voltage suppressor diode designed to protect electronic devices from voltage spikes and transients. This entry provides a comprehensive overview of the SMLJ18A-TP, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category and Basic Information Overview

• Category: Transient Voltage Suppressor Diode
• Use: Protection against voltage spikes and transients in electronic circuits
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: DO-214AB (SMC)
• Essence: Silicon Transient Voltage Suppressor
• Packaging/Quantity: Tape & Reel, 1800 units per reel

Specifications

• Peak Pulse Power: 1500 W
• Breakdown Voltage: 18 V
• Clamping Voltage: 29.2 V
• Peak Pulse Current: 48.4 A
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMLJ18A-TP has a standard DO-214AB (SMC) package with two pins. Pin 1 is the anode, and pin 2 is the cathode.

Functional Features

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

Advantages and Disadvantages

Advantages: - Effective protection against voltage spikes - Wide operating temperature range - RoHS compliant

Disadvantages: - Relatively low breakdown voltage compared to higher-rated TVS diodes - Limited surge current capability compared to larger packages

Working Principles

The SMLJ18A-TP operates by diverting excessive current away from sensitive electronic components when a voltage spike or transient occurs. It achieves this by rapidly transitioning into a low-impedance state, effectively clamping the voltage to a safe level.

Detailed Application Field Plans

The SMLJ18A-TP is commonly used in various electronic applications, including: - Power supplies - Communication systems - Industrial equipment - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• Alternative Model 1: P6SMB18A

  • Breakdown Voltage: 18 V
  • Package: DO-214AA (SMB)
  • Peak Pulse Power: 600 W

• Alternative Model 2: 1.5SMC18A

  • Breakdown Voltage: 18 V
  • Package: DO-214AB (SMC)
  • Peak Pulse Power: 1500 W

In conclusion, the SMLJ18A-TP transient voltage suppressor diode offers effective protection against voltage spikes and transients in a compact DO-214AB package. Its fast response time, low clamping voltage, and high surge current capability make it suitable for a wide range of electronic applications.

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