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SMBJ4746AE3/TR13
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SMBJ4746AE3/TR13

Product Overview

Category: Diode
Use: Voltage suppression in electronic circuits
Characteristics: Transient voltage suppressor diode, 600W power dissipation, 47V standoff voltage, bidirectional
Package: DO-214AB (SMC)
Essence: Protects sensitive electronic components from voltage spikes
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Standoff Voltage: 47V
  • Breakdown Voltage: 52.4V
  • Clamping Voltage: 77.4V
  • Peak Pulse Current: 19.2A
  • Power Dissipation: 600W
  • Polarity: Bidirectional
  • Operating Temperature: -55°C to 150°C

Detailed Pin Configuration

The SMBJ4746AE3/TR13 has two pins and is housed in a DO-214AB package. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

  • Provides transient voltage suppression for sensitive electronic components
  • Bidirectional design allows protection from both positive and negative voltage spikes
  • Fast response time ensures minimal impact on circuit operation

Advantages and Disadvantages

Advantages: - High power dissipation capability - Bidirectional protection - Compact DO-214AB package

Disadvantages: - Limited to specific voltage range (47V)

Working Principles

When a voltage spike occurs, the SMBJ4746AE3/TR13 conducts current to divert the excess energy away from the protected circuit, thereby limiting the voltage across it.

Detailed Application Field Plans

  • Telecommunications: Protects sensitive communication equipment from lightning-induced voltage surges
  • Automotive Electronics: Safeguards vehicle electronics from voltage transients caused by alternator load dump or jump-start events
  • Industrial Control Systems: Shields control circuitry from electrical noise and transient disturbances

Detailed and Complete Alternative Models

  • SMBJ5.0A: Standoff Voltage: 5V, Power Dissipation: 600W
  • SMBJ15CA: Standoff Voltage: 15V, Power Dissipation: 600W
  • SMBJ33A: Standoff Voltage: 33V, Power Dissipation: 600W

This completes the entry for the SMBJ4746AE3/TR13 diode, covering its product details, specifications, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

技術ソリューションにおける SMBJ4746AE3/TR13 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 SMBJ4746AE3/TR13?

    • The SMBJ4746AE3/TR13 is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum working voltage of the SMBJ4746AE3/TR13?

    • The maximum working voltage of the SMBJ4746AE3/TR13 is 440V.

  3. What is the peak pulse power of the SMBJ4746AE3/TR13?

    • The peak pulse power of the SMBJ4746AE3/TR13 is 600W.

  4. What are the typical applications of the SMBJ4746AE3/TR13?

    • The SMBJ4746AE3/TR13 is commonly used in various technical solutions such as power supplies, telecommunications equipment, automotive electronics, and industrial control systems.

  5. What is the operating temperature range of the SMBJ4746AE3/TR13?

    • The operating temperature range of the SMBJ4746AE3/TR13 is -55°C to 150°C.

  6. How does the SMBJ4746AE3/TR13 provide protection against voltage transients?

    • The SMBJ4746AE3/TR13 clamps the voltage to a safe level by diverting excess current away from sensitive components.

  7. Is the SMBJ4746AE3/TR13 RoHS compliant?

    • Yes, the SMBJ4746AE3/TR13 is RoHS compliant, making it suitable for use in environmentally friendly electronic products.

  8. What is the package type of the SMBJ4746AE3/TR13?

    • The SMBJ4746AE3/TR13 comes in a surface mount DO-214AA (SMB) package.

  9. Can the SMBJ4746AE3/TR13 be used for overvoltage protection in automotive applications?

    • Yes, the SMBJ4746AE3/TR13 is suitable for overvoltage protection in automotive electronics due to its high surge capability and reliability.

  10. Are there any recommended layout guidelines for using the SMBJ4746AE3/TR13 in circuit designs?

    • Yes, it is recommended to follow the layout guidelines provided in the datasheet to ensure optimal performance and protection in circuit designs.