Vishay Semiconductor Diodes Division
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1.5SMC440A-M3/9AT
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1.5SMC440A-M3/9AT

Product Overview

Category

The 1.5SMC440A-M3/9AT belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for surge protection in electronic circuits, providing a low-impedance path to ground in the event of overvoltage transients.

Characteristics

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

Package

The 1.5SMC440A-M3/9AT is available in a DO-214AB (SMC) package.

Essence

This TVS diode serves as a critical component in safeguarding sensitive electronic devices from voltage spikes and surges.

Packaging/Quantity

The 1.5SMC440A-M3/9AT is typically packaged in reels with quantities varying based on customer requirements.

Specifications

  • Standoff Voltage: 376V
  • Breakdown Voltage: 418V
  • Maximum Clamping Voltage: 678V
  • Peak Pulse Current: 50A
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The 1.5SMC440A-M3/9AT features a standard SMC package with two leads, anode, and cathode.

Functional Features

  • Provides transient voltage protection
  • Fast response to transient events
  • Low leakage current
  • High surge current handling capability

Advantages and Disadvantages

Advantages

  • Effective surge protection
  • Fast response time
  • RoHS compliant

Disadvantages

  • Higher cost compared to traditional diodes
  • Requires careful consideration of placement in circuit design

Working Principles

When a transient voltage spike occurs, the 1.5SMC440A-M3/9AT activates, diverting excess current away from the protected circuit, thus preventing damage to sensitive components.

Detailed Application Field Plans

The 1.5SMC440A-M3/9AT is widely used in various applications including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • SMAJ440A
  • SMBJ440A
  • SMCJ440A
  • P6SMB440A

In conclusion, the 1.5SMC440A-M3/9AT TVS diode offers reliable surge protection with fast response times, making it suitable for a wide range of electronic applications.

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技術ソリューションにおける 1.5SMC440A-M3/9AT 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 voltage rating of 1.5SMC440A-M3/9AT?

    • The voltage rating of 1.5SMC440A-M3/9AT is 440V.

  2. What is the peak pulse power of 1.5SMC440A-M3/9AT?

    • The peak pulse power of 1.5SMC440A-M3/9AT is 1500W.

  3. What is the breakdown voltage of 1.5SMC440A-M3/9AT?

    • The breakdown voltage of 1.5SMC440A-M3/9AT is 488V.

  4. What are the typical applications for 1.5SMC440A-M3/9AT?

    • 1.5SMC440A-M3/9AT is commonly used in surge protection for sensitive electronics, such as in telecommunications equipment, industrial control systems, and automotive electronics.

  5. What is the maximum clamping voltage of 1.5SMC440A-M3/9AT?

    • The maximum clamping voltage of 1.5SMC440A-M3/9AT is 710V.

  6. What is the operating temperature range of 1.5SMC440A-M3/9AT?

    • The operating temperature range of 1.5SMC440A-M3/9AT is -55°C to +150°C.

  7. Is 1.5SMC440A-M3/9AT RoHS compliant?

    • Yes, 1.5SMC440A-M3/9AT is RoHS compliant.

  8. What is the package type of 1.5SMC440A-M3/9AT?

    • 1.5SMC440A-M3/9AT is available in a DO-214AB (SMC) package.

  9. Does 1.5SMC440A-M3/9AT have a low leakage current?

    • Yes, 1.5SMC440A-M3/9AT has a low leakage current.

  10. Can 1.5SMC440A-M3/9AT be used for overvoltage protection in power supply units?

    • Yes, 1.5SMC440A-M3/9AT is suitable for overvoltage protection in power supply units due to its high surge capability and fast response time.