1KSMB18A Product Overview

Introduction

The 1KSMB18A is a diode belonging to the category of surface mount transient voltage suppressors. This component is commonly used for surge protection in electronic circuits, offering characteristics such as high reliability, low leakage current, and fast response time. The package type, essence, packaging/quantity, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models are detailed below.

Basic Information Overview

• Category: Diode, Surface Mount Transient Voltage Suppressor
• Use: Surge protection in electronic circuits
• Characteristics:
  • High reliability
  • Low leakage current
  • Fast response time
• Package: SMB (DO-214AA)
• Essence: Transient voltage suppression
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Voltage - Reverse Standoff (Typ): 15.3V
• Voltage - Breakdown (Min): 17V
• Voltage - Clamping (Max) @ Ipp: 24.4V
• Current - Peak Pulse (10/1000µs): 20.2A
• Power - Peak Pulse: 600W
• Type: Zener

Detailed Pin Configuration

The 1KSMB18A diode has a standard SMB (DO-214AA) package with two pins. Pin 1 is the anode, and pin 2 is the cathode.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient overvoltage, protecting downstream components.
• Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the circuit.

Advantages and Disadvantages

Advantages

• Reliable surge protection
• Low leakage current
• Fast response time

Disadvantages

• Limited power dissipation capability
• May require additional heat sinking for high-power applications

Working Principles

The 1KSMB18A operates based on the principle of zener breakdown. When the voltage across the diode exceeds its breakdown voltage, it rapidly conducts, diverting excess current away from sensitive components.

Detailed Application Field Plans

The 1KSMB18A is widely used in various electronic systems requiring surge protection, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the 1KSMB18A include: - 1KSMB6.8A - 1KSMB10A - 1KSMB13A - 1KSMB16A

In summary, the 1KSMB18A diode offers reliable surge protection with fast response times, making it suitable for diverse electronic applications.

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