SMCJ26CA/57T - Product Encyclopedia Entry

Introduction

The SMCJ26CA/57T is a specialized electronic component designed for surge protection in various electrical and electronic systems. This entry provides an in-depth overview of the product, including its category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Electronic Component
• Use: Surge Protection
• Characteristics: High surge current capability, low clamping voltage, fast response time
• Package: SMC (DO-214AB), Tape & Reel
• Essence: Protects sensitive electronic components from voltage surges
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

• Part Number: SMCJ26CA/57T
• Standoff Voltage: 26V
• Breakdown Voltage: 28.9V
• Peak Pulse Power: 1500W
• Clamping Voltage: 43.6V
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMCJ26CA/57T follows the standard SMC package pin configuration with two leads for connection.

Functional Features

• Transient Voltage Suppression: Provides protection against voltage transients and surges.
• Fast Response Time: Quickly responds to overvoltage conditions to safeguard connected devices.
• Low Clamping Voltage: Limits the voltage across the protected circuit during a transient event.

Advantages and Disadvantages

Advantages

• Effective surge protection for sensitive electronics
• Fast response time ensures minimal damage to connected devices
• Compact SMC package for easy integration into circuit designs

Disadvantages

• Limited to specific voltage and power ratings
• Requires careful consideration of placement within the circuit for optimal protection

Working Principles

The SMCJ26CA/57T operates based on the principle of avalanche breakdown, where it rapidly conducts excess current away from the protected circuit when a voltage surge occurs. This action prevents the voltage from reaching damaging levels and protects downstream components.

Detailed Application Field Plans

The SMCJ26CA/57T finds extensive use in various applications, including: - Telecommunications: Protecting communication equipment from lightning-induced surges - Industrial Control Systems: Safeguarding PLCs and control circuits from power line transients - Consumer Electronics: Shielding sensitive devices such as smartphones and tablets from voltage spikes

Detailed and Complete Alternative Models

Several alternative models offer similar surge protection capabilities, including: - P6KE27CA: Axial-leaded diode with comparable voltage and power ratings - SMCJ28A: SMC package variant with slightly higher clamping voltage - 1.5SMC26CA: Surface mount device with similar characteristics

In conclusion, the SMCJ26CA/57T serves as a crucial component in protecting electronic systems from voltage surges and transients. Its high surge current capability, low clamping voltage, and fast response time make it an essential part of modern electronic designs.

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