SMCJ28 - Product Overview and Specifications

Introduction

The SMCJ28 belongs to the category of transient voltage suppressor diodes. These diodes are widely used in electronic circuits to protect sensitive components from voltage spikes and surges. The SMCJ28 is specifically designed to provide robust protection against transient overvoltage conditions.

Basic Information Overview

Category: Transient Voltage Suppressor Diode
Use: Protection against voltage spikes and surges in electronic circuits
Characteristics: Fast response time, high surge capability, low clamping voltage
Package: SMC (DO-214AB)
Essence: Safeguarding sensitive electronic components
Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

Peak Pulse Power: 1500W
Breakdown Voltage Range: 28V
Operating Temperature Range: -55°C to +150°C
Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMCJ28 diode typically has two pins, with the cathode connected to the marked terminal and the anode to the unmarked terminal.

Functional Features

Transient Voltage Suppression: Effectively clamps transient overvoltages to a safe level
Fast Response Time: Rapid reaction to voltage spikes for enhanced protection
High Surge Capability: Able to withstand large surge currents without degradation

Advantages and Disadvantages

Advantages

Effective protection against voltage transients
Fast response time
High surge capability

Disadvantages

Clamping voltage may still allow some voltage to pass through

Working Principles

The SMCJ28 operates based on the principle of avalanche breakdown. When a voltage spike occurs, the diode rapidly conducts, diverting excess current away from sensitive components and limiting the voltage across the circuit.

Detailed Application Field Plans

The SMCJ28 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

SMCJ5.0A: Breakdown Voltage 5.0V
SMCJ10A: Breakdown Voltage 10V
SMCJ15A: Breakdown Voltage 15V
SMCJ20A: Breakdown Voltage 20V

In conclusion, the SMCJ28 transient voltage suppressor diode offers reliable protection against voltage transients in a wide range of electronic applications, making it an essential component for ensuring the longevity and reliability of sensitive electronic circuits.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMCJ28 v technických řešeních

What is the maximum peak pulse current for SMCJ28?
- The maximum peak pulse current for SMCJ28 is typically 300A.
What is the breakdown voltage of SMCJ28?
- The breakdown voltage of SMCJ28 is around 28V.
What are the typical applications for SMCJ28?
- SMCJ28 is commonly used in surge protection, transient voltage suppression, and overvoltage protection in various electronic circuits and systems.
What is the power dissipation of SMCJ28 under normal operating conditions?
- The power dissipation of SMCJ28 under normal operating conditions is typically 1500W.
What is the clamping voltage of SMCJ28?
- The clamping voltage of SMCJ28 is approximately 44.7V at 10A.
Is SMCJ28 suitable for high-speed data line protection?
- Yes, SMCJ28 is suitable for high-speed data line protection due to its fast response time and low clamping voltage.
Can SMCJ28 be used in automotive electronics applications?
- Yes, SMCJ28 can be used in automotive electronics for protecting sensitive components from voltage transients.
What is the temperature range for SMCJ28?
- SMCJ28 is typically rated for a temperature range of -55°C to 150°C.
Does SMCJ28 comply with RoHS regulations?
- Yes, SMCJ28 is compliant with RoHS regulations, making it suitable for use in environmentally conscious designs.
What are the recommended mounting and soldering techniques for SMCJ28?
- SMCJ28 is typically mounted using surface mount techniques, and reflow soldering is the recommended method for assembly.