SMCJ30AHE3/9AT: Product Overview and Analysis

Introduction

The SMCJ30AHE3/9AT is a semiconductor product belonging to the category of transient voltage suppressor diodes. This entry provides an in-depth analysis of the product, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Transient Voltage Suppressor Diodes
• Use: Protection against voltage transients in electronic circuits
• Characteristics: High surge capability, fast response time, low clamping voltage
• Package: DO-214AB (SMC), SMA Flat Lead
• Essence: Provides protection to sensitive electronic components from voltage spikes
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Part Number: SMCJ30AHE3/9AT
• Peak Pulse Power: 1500W
• Breakdown Voltage: 30V
• Operating Voltage: 25.2V
• Clamping Voltage: 38.8V
• Peak Pulse Current: 48.1A
• Reverse Standoff Voltage: 30V
• Forward Voltage: 3.5V
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMCJ30AHE3/9AT follows the standard pin configuration for diodes, with two terminals for connection. The pinout is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Transient Voltage Suppression: Effectively clamps transient overvoltage to a safe level
• Fast Response Time: Rapid reaction to voltage transients, minimizing damage to downstream components
• High Surge Capability: Capable of withstanding high surge currents without degradation

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time ensures minimal impact on circuit operation
• High surge capability enhances reliability in harsh environments

Disadvantages

• Clamping voltage may be relatively high for some applications
• Requires careful consideration of reverse standoff voltage to ensure proper protection

Working Principles

The SMCJ30AHE3/9AT operates by diverting excess current away from sensitive components when a transient voltage spike occurs. This is achieved through rapid conduction of the diode, effectively limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMCJ30AHE3/9AT finds extensive use in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Several alternative models to the SMCJ30AHE3/9AT are available in the market, offering similar transient voltage suppression capabilities. Some notable alternatives include: - P6KE30CA: Similar breakdown voltage and peak pulse power rating - 1.5KE30A: Comparable characteristics and package type - SA30CA: Equivalent transient voltage suppression performance

In conclusion, the SMCJ30AHE3/9AT transient voltage suppressor diode offers effective protection against voltage transients in electronic circuits, with its high surge capability and fast response time making it suitable for diverse applications.

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