1KSMBJ18 Product Overview

Introduction

The 1KSMBJ18 is a transient voltage suppressor (TVS) diode designed to protect electronic circuits from overvoltage transients. This entry provides a comprehensive overview of the 1KSMBJ18, including its product details, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Electronic Component
• Use: Overvoltage Protection
• Characteristics: Fast response time, high surge capability
• Package: SMB
• Essence: Transient Voltage Suppressor Diode
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Voltage - Reverse Standoff (Typ): 15.3V
• Voltage - Breakdown (Min): 17V
• Voltage - Clamping (Max) @ Ipp: 27.4V
• Current - Peak Pulse (10/1000µs): 19.2A
• Power - Peak Pulse: 1000W
• Operating Temperature: -55°C to 150°C

Detailed Pin Configuration

The 1KSMBJ18 TVS diode has a standard SMB package with two pins. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

• Transient Voltage Suppression: Protects against voltage transients by diverting excess current away from sensitive components.
• Fast Response Time: Quickly responds to overvoltage events, minimizing the risk of damage to the circuitry.
• High Surge Capability: Can handle large surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against voltage spikes
• Compact SMB package for space-constrained applications
• High surge capability for robust performance

Disadvantages

• Limited to low to moderate power applications
• May require additional components for comprehensive overvoltage protection in complex systems

Working Principles

When an overvoltage event occurs, the 1KSMBJ18 TVS diode conducts current and clamps the voltage to a safe level, protecting downstream components. It operates by shunting excess energy to ground, preventing damage to the circuit.

Detailed Application Field Plans

The 1KSMBJ18 is commonly used in various electronic systems, including: - Power Supplies - Communication Equipment - Automotive Electronics - Industrial Control Systems - Consumer Electronics

Detailed and Complete Alternative Models

• Alternative Model 1: 1.5SMCJ18CA
• Alternative Model 2: P6SMBJ18A
• Alternative Model 3: SMAJ18A

In summary, the 1KSMBJ18 TVS diode offers effective overvoltage protection with fast response times and high surge capability, making it suitable for a wide range of electronic applications.

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