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SMBJ4748A/TR13
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SMBJ4748A/TR13

Product Overview

  • Category: Diode
  • Use: Voltage suppression in electronic circuits
  • Characteristics: Transient voltage suppressor diode, low clamping voltage, fast response time
  • Package: DO-214AA (SMB), 2-pin
  • Essence: Protects sensitive electronic components from voltage spikes
  • Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

  • Voltage - Reverse Standoff (Typ): 48V
  • Voltage - Breakdown (Min): 53.3V
  • Voltage - Clamping (Max) @ Ipp: 77.4V
  • Current - Peak Pulse (10/1000µs): 20.1A
  • Power - Peak Pulse: 600W
  • Type: Zener

Detailed Pin Configuration

The SMBJ4748A/TR13 has a simple 2-pin configuration with no polarity.

Functional Features

  • Provides protection against transient voltage events
  • Fast response time ensures minimal damage to protected circuits
  • Low clamping voltage prevents excessive voltage exposure to downstream components

Advantages

  • Effective voltage suppression
  • Fast response time
  • Compact package size

Disadvantages

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

Working Principles

The SMBJ4748A/TR13 operates by diverting excess voltage away from sensitive components when a transient voltage event occurs. It rapidly clamps the voltage to a safe level, protecting downstream electronics.

Detailed Application Field Plans

This diode is commonly used in electronic circuits where protection against voltage spikes is crucial, such as in power supplies, communication equipment, and automotive electronics.

Detailed and Complete Alternative Models

  • SMBJ5.0A: 5V reverse standoff voltage
  • SMBJ15A: 15V reverse standoff voltage
  • SMBJ30A: 30V reverse standoff voltage

In conclusion, the SMBJ4748A/TR13 is a vital component in electronic circuits requiring protection against transient voltage events. Its fast response time and low clamping voltage make it an essential part of many electronic systems.

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技術ソリューションにおける SMBJ4748A/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 SMBJ4748A/TR13?

    • The SMBJ4748A/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 SMBJ4748A/TR13?

    • The maximum working voltage of the SMBJ4748A/TR13 is 440V.

  3. What is the peak pulse power dissipation of the SMBJ4748A/TR13?

    • The peak pulse power dissipation of the SMBJ4748A/TR13 is 600W.

  4. What are the typical applications of the SMBJ4748A/TR13?

    • The SMBJ4748A/TR13 is commonly used in automotive electronics, industrial equipment, telecommunication systems, and consumer electronics for transient voltage protection.

  5. What is the clamping voltage of the SMBJ4748A/TR13?

    • The clamping voltage of the SMBJ4748A/TR13 is 775V at 1A.

  6. What is the operating temperature range of the SMBJ4748A/TR13?

    • The operating temperature range of the SMBJ4748A/TR13 is -55°C to 150°C.

  7. Is the SMBJ4748A/TR13 RoHS compliant?

    • Yes, the SMBJ4748A/TR13 is RoHS compliant, making it suitable for use in environmentally friendly electronic products.

  8. What package type does the SMBJ4748A/TR13 come in?

    • The SMBJ4748A/TR13 is available in a surface mount DO-214AA (SMB) package.

  9. Does the SMBJ4748A/TR13 meet industry standards for surge protection?

    • Yes, the SMBJ4748A/TR13 meets industry standards such as IEC 61000-4-5 for surge protection.

  10. Can the SMBJ4748A/TR13 be used for overvoltage protection in power supply circuits?

    • Yes, the SMBJ4748A/TR13 is suitable for overvoltage protection in power supply circuits, helping to safeguard sensitive components from voltage surges.