Littelfuse Inc.
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
SMBJ440C
詳細を表示 DataSheets

SMBJ440C - Product Overview and Specifications

Introduction

The SMBJ440C is a part of the SMBJ series of transient voltage suppressor diodes designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. This entry provides an overview of the product, including its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage transients induced by lightning and other transient voltage events
  • Characteristics: Fast response time, low clamping voltage, high surge capability
  • Package: DO-214AA (SMB), SMD/SMT
  • Essence: Transient voltage suppression
  • Packaging/Quantity: Tape & Reel (3,000 units)

Specifications

  • Peak Pulse Power: 600W
  • Breakdown Voltage: 440V
  • Operating Temperature Range: -55°C to +150°C
  • Reverse Standoff Voltage: 376V
  • Forward Voltage: 1.5V at 10A
  • RoHS Compliant: Yes

Detailed Pin Configuration

The SMBJ440C follows the standard pin configuration for SMB package diodes: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Fast response time
  • Low clamping voltage
  • High surge capability
  • RoHS compliant

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • RoHS compliant

Disadvantages

  • Relatively high forward voltage compared to some alternatives
  • Limited breakdown voltage compared to higher-rated models

Working Principles

The SMBJ440C operates based on the principle of avalanche breakdown. When a transient voltage event occurs, the diode rapidly conducts, diverting the excess current away from the protected circuitry and clamping the voltage to a safe level.

Detailed Application Field Plans

The SMBJ440C is commonly used in various applications, including: - Telecommunication equipment - Industrial control systems - Consumer electronics - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the SMBJ440C include: - SMBJ5.0A: Breakdown Voltage - 5.0V - SMBJ15A: Breakdown Voltage - 15V - SMBJ58A: Breakdown Voltage - 58V - SMBJ110A: Breakdown Voltage - 110V

In conclusion, the SMBJ440C transient voltage suppressor diode offers effective protection against voltage transients with its fast response time, low clamping voltage, and high surge capability. While it has certain limitations, such as its relatively high forward voltage, it remains a popular choice for various applications due to its performance and reliability.

Word Count: 411

技術ソリューションにおける SMBJ440C の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the SMBJ440C?

    • The SMBJ440C is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and surges.

  2. What is the maximum peak pulse power of the SMBJ440C?

    • The maximum peak pulse power of the SMBJ440C is 600 watts.

  3. What is the breakdown voltage of the SMBJ440C?

    • The breakdown voltage of the SMBJ440C is 484 volts.

  4. What are the typical applications of the SMBJ440C?

    • The SMBJ440C is commonly used in applications such as power supplies, telecommunications equipment, and industrial control systems to protect against transient overvoltage conditions.

  5. What is the clamping voltage of the SMBJ440C?

    • The clamping voltage of the SMBJ440C is 775 volts.

  6. What is the operating temperature range of the SMBJ440C?

    • The SMBJ440C has an operating temperature range of -55°C to +150°C.

  7. What is the response time of the SMBJ440C?

    • The response time of the SMBJ440C is typically less than 1 picosecond.

  8. Is the SMBJ440C RoHS compliant?

    • Yes, the SMBJ440C is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  9. What is the packaging of the SMBJ440C?

    • The SMBJ440C is available in various package types, including DO-214AA (SMB) and DO-214AB (SMC).

  10. What are the key features of the SMBJ440C?

    • The key features of the SMBJ440C include low leakage current, fast response time, and high surge capability, making it an ideal choice for transient voltage suppression in various technical solutions.