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。
4.0SMDJ12A

4.0SMDJ12A

Product Overview

Category

The 4.0SMDJ12A belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for surge protection in electronic circuits and systems, particularly in applications where protection against transient overvoltage events is required.

Characteristics

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

Package

The 4.0SMDJ12A is typically available in a surface-mount package.

Essence

The essence of the 4.0SMDJ12A lies in its ability to protect sensitive electronic components from voltage transients and surges.

Packaging/Quantity

The product is commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 4000W
  • Standoff Voltage: 12V
  • Breakdown Voltage: 13.3V
  • Maximum Clamping Voltage: 19.9V
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The 4.0SMDJ12A typically features a standard SMD (Surface Mount Device) pin configuration, with specific details available in the manufacturer's datasheet.

Functional Features

  • Provides protection against voltage transients and surges
  • Fast response time ensures minimal impact on the protected circuit
  • High surge capability allows for reliable protection in demanding environments

Advantages and Disadvantages

Advantages

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

Disadvantages

  • May require additional circuitry for comprehensive surge protection in complex systems

Working Principles

The 4.0SMDJ12A operates by diverting excessive transient current away from sensitive components, thereby limiting the voltage across the protected circuit.

Detailed Application Field Plans

The 4.0SMDJ12A is commonly used in various applications, including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the 4.0SMDJ12A include: - 5.0SMDJ12A - 6.0SMDJ12A - 4.0SMDJ15A - 4.0SMDJ18A

This list is not exhaustive, and users are advised to consult manufacturers' catalogs for a complete range of alternatives.

This content provides a comprehensive overview of the 4.0SMDJ12A, covering its basic information, specifications, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

技術ソリューションにおける 4.0SMDJ12A 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 maximum peak pulse current of 4.0SMDJ12A?

    • The maximum peak pulse current of 4.0SMDJ12A is 400A.

  2. What is the breakdown voltage of 4.0SMDJ12A?

    • The breakdown voltage of 4.0SMDJ12A is 13.3V.

  3. What is the typical clamping voltage of 4.0SMDJ12A?

    • The typical clamping voltage of 4.0SMDJ12A is 19.9V at 10A.

  4. What is the operating temperature range of 4.0SMDJ12A?

    • The operating temperature range of 4.0SMDJ12A is -55°C to +150°C.

  5. What is the application of 4.0SMDJ12A in surge protection?

    • 4.0SMDJ12A is commonly used for surge protection in various electronic and electrical systems, including power supplies, telecommunications equipment, and industrial controls.

  6. How does 4.0SMDJ12A provide transient voltage suppression?

    • 4.0SMDJ12A provides transient voltage suppression by diverting excessive current away from sensitive components during transient voltage events, thereby protecting them from damage.

  7. Can 4.0SMDJ12A be used in automotive electronics applications?

    • Yes, 4.0SMDJ12A can be used in automotive electronics applications for protecting sensitive circuits from voltage transients caused by load dump and other automotive electrical disturbances.

  8. What are the key features of 4.0SMDJ12A for technical solutions?

    • The key features of 4.0SMDJ12A include high surge capability, low clamping voltage, fast response time, and compatibility with automated placement equipment.

  9. Is 4.0SMDJ12A RoHS compliant?

    • Yes, 4.0SMDJ12A is RoHS compliant, making it suitable for use in environmentally conscious designs.

  10. Are there any recommended layout considerations when using 4.0SMDJ12A in technical solutions?

    • Yes, it is recommended to minimize the length and impedance of the connections to 4.0SMDJ12A, place it as close as possible to the protected circuit, and ensure proper thermal management for optimal performance.