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。
SMCJ250
詳細を表示 DataSheets

SMCJ250 - Product Overview and Specifications

Introduction

The SMCJ250 belongs to the category of transient voltage suppressor diodes. These diodes are commonly used to protect sensitive electronic components from voltage spikes and transients. The SMCJ250 is specifically designed to provide protection for sensitive equipment against voltage surges caused by lightning, inductive load switching, and electrostatic discharge.

Basic Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage spikes and transients
  • Characteristics: Fast response time, low clamping voltage, high surge current capability
  • Package: SMC (DO-214AB)
  • Essence: Safeguarding sensitive electronic components
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

  • Peak Power Dissipation: 1500W
  • Breakdown Voltage Range: 277V to 305V
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The SMCJ250 diode has a standard SMC package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Fast Response Time: Rapid reaction to voltage spikes
  • Low Clamping Voltage: Limits the voltage across the protected circuit
  • High Surge Current Capability: Ability to handle large transient currents

Advantages and Disadvantages

Advantages

  • Effective protection against voltage surges
  • Fast response time
  • Compact SMC package for space-saving designs

Disadvantages

  • Limited to specific voltage ranges
  • May require additional circuitry for comprehensive surge protection

Working Principles

The SMCJ250 operates by diverting excessive voltage away from sensitive components. When a voltage surge occurs, the diode rapidly conducts, providing a low-impedance path for the excess energy to be safely dissipated.

Detailed Application Field Plans

The SMCJ250 is widely used in various applications, including: - Telecommunication equipment - Industrial automation systems - Power supplies - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • SMCJ5.0A: Breakdown Voltage: 5.0V, Peak Power Dissipation: 1500W
  • SMCJ12A: Breakdown Voltage: 12V, Peak Power Dissipation: 1500W
  • SMCJ40CA: Breakdown Voltage: 40V, Peak Power Dissipation: 1500W
  • SMCJ100A: Breakdown Voltage: 100V, Peak Power Dissipation: 1500W

In conclusion, the SMCJ250 transient voltage suppressor diode offers effective protection against voltage surges and transients, making it an essential component in safeguarding sensitive electronic equipment across various industries.

Word Count: 416

技術ソリューションにおける SMCJ250 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 SMCJ250?

    • The SMCJ250 is a type of transient voltage suppressor diode designed to protect electronic circuits from voltage spikes and transients.

  2. What is the maximum peak pulse power of the SMCJ250?

    • The maximum peak pulse power of the SMCJ250 is 1500 watts.

  3. What is the breakdown voltage of the SMCJ250?

    • The breakdown voltage of the SMCJ250 is 250 volts.

  4. What are the typical applications of the SMCJ250?

    • The SMCJ250 is commonly used in surge protection for telecommunications equipment, industrial control systems, and power supplies.

  5. What is the clamping voltage of the SMCJ250?

    • The clamping voltage of the SMCJ250 is typically around 405 volts at 1 ampere.

  6. What is the response time of the SMCJ250?

    • The response time of the SMCJ250 is very fast, typically less than 1 picosecond.

  7. What is the operating temperature range of the SMCJ250?

    • The SMCJ250 can operate within a temperature range of -55°C to 150°C.

  8. How does the SMCJ250 provide overvoltage protection?

    • The SMCJ250 diverts excess current away from sensitive components by shunting it to ground during voltage spikes or transients.

  9. Can the SMCJ250 be used in automotive applications?

    • Yes, the SMCJ250 is suitable for use in automotive electronics to protect against voltage surges and transients.

  10. Is the SMCJ250 RoHS compliant?

    • Yes, the SMCJ250 is compliant with the Restriction of Hazardous Substances (RoHS) directive, making it environmentally friendly.