SMLJ15A-QH Diode: Encyclopedia Entry

Introduction

The SMLJ15A-QH diode is a crucial component in electronic circuits, belonging to the category of transient voltage suppressor (TVS) diodes. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the SMLJ15A-QH diode.

Basic Information Overview

• Category: Transient Voltage Suppressor (TVS) Diode
• Use: Protecting sensitive electronic components from voltage spikes and transients
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: DO-214AB (SMC), SMA package
• Essence: Safeguarding electronic circuits from voltage surges
• Packaging/Quantity: Available in tape and reel packaging, with varying quantities based on manufacturer specifications

Specifications

• Peak Pulse Power: 1500W
• Breakdown Voltage: 15V
• Operating Voltage: 12.8V
• Clamping Voltage: 19.9V
• Peak Pulse Current: 68.2A
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMLJ15A-QH diode has a standard DO-214AB (SMC) or SMA package with two leads. The pin configuration includes the anode and cathode terminals for proper installation in electronic circuits.

Functional Features

• Rapid response to voltage transients
• Low clamping voltage to protect downstream components
• High surge current capability for robust protection

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited breakdown voltage compared to higher-rated TVS diodes
• May require parallel or series connection for higher voltage protection

Working Principles

The SMLJ15A-QH diode operates by diverting excess voltage away from sensitive components when a transient event occurs. It rapidly clamps the voltage to a safe level, protecting downstream circuitry from damage.

Detailed Application Field Plans

The SMLJ15A-QH diode finds extensive use in various applications, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• Alternative Model 1: SMLJ Series TVS Diodes (e.g., SMLJ5.0A, SMLJ10A)
• Alternative Model 2: P6SMB Series TVS Diodes (e.g., P6SMB15A, P6SMB20A)
• Alternative Model 3: 1.5KE Series TVS Diodes (e.g., 1.5KE15A, 1.5KE18A)

In conclusion, the SMLJ15A-QH diode serves as a critical component in safeguarding electronic circuits from voltage transients and surges. Its fast response time, low clamping voltage, and high surge current capability make it an essential choice for various applications.

Word Count: 410