Vishay Semiconductor Diodes Division
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1.5SMC91AHE3/57T
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1.5SMC91AHE3/57T

Product Category:

The 1.5SMC91AHE3/57T belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Basic Information Overview:

  • Use: The 1.5SMC91AHE3/57T is used for surge protection in electronic circuits, providing a high level of transient voltage suppression.
  • Characteristics: It offers low clamping voltage, fast response time, and high surge current capability.
  • Package: The diode is available in a DO-214AB (SMC) package.
  • Essence: Its essence lies in protecting sensitive electronic components from voltage transients.
  • Packaging/Quantity: The 1.5SMC91AHE3/57T is typically packaged in reels with a quantity varying based on customer requirements.

Specifications:

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 91V
  • Operating Voltage: 77.4V
  • Clamping Voltage: 124V
  • Peak Pulse Current: 19.5A
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration:

The 1.5SMC91AHE3/57T has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features:

  • Provides protection against voltage transients by diverting excessive current away from sensitive components.
  • Fast response time ensures minimal damage to the protected circuitry.

Advantages and Disadvantages:

  • Advantages:
    • High surge current capability
    • Low clamping voltage
    • Fast response time
  • Disadvantages:
    • May require additional circuitry for comprehensive surge protection in complex systems

Working Principles:

When a transient voltage spike occurs, the 1.5SMC91AHE3/57T conducts current to limit the voltage across the circuit it is protecting, thereby safeguarding the connected components.

Detailed Application Field Plans:

The 1.5SMC91AHE3/57T is commonly used in various applications such as power supplies, communication equipment, automotive electronics, and industrial control systems to protect against voltage surges induced by lightning, ESD, or other transient events.

Detailed and Complete Alternative Models:

  • 1.5SMC6.8AHE3/9AT
  • 1.5SMC15AHE3/57T
  • 1.5SMC33AHE3/57T
  • 1.5SMC200AHE3/9AT

This concludes the entry for the 1.5SMC91AHE3/57T TVS diode.

技術ソリューションにおける 1.5SMC91AHE3/57T 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 1.5SMC91AHE3/57T?

    • The voltage rating of 1.5SMC91AHE3/57T is 91V.

  2. What is the peak pulse power of 1.5SMC91AHE3/57T?

    • The peak pulse power of 1.5SMC91AHE3/57T is 1500W.

  3. What is the breakdown voltage of 1.5SMC91AHE3/57T?

    • The breakdown voltage of 1.5SMC91AHE3/57T is 100.5V.

  4. What is the maximum clamping voltage of 1.5SMC91AHE3/57T?

    • The maximum clamping voltage of 1.5SMC91AHE3/57T is 146V.

  5. What are the typical applications for 1.5SMC91AHE3/57T?

    • Typical applications for 1.5SMC91AHE3/57T include transient voltage suppression in electronic equipment, automotive systems, and industrial controls.

  6. What is the operating temperature range of 1.5SMC91AHE3/57T?

    • The operating temperature range of 1.5SMC91AHE3/57T is -55°C to 150°C.

  7. What is the package type of 1.5SMC91AHE3/57T?

    • 1.5SMC91AHE3/57T comes in a DO-214AB (SMC) package.

  8. What is the lead-free status of 1.5SMC91AHE3/57T?

    • 1.5SMC91AHE3/57T is lead-free and RoHS compliant.

  9. Does 1.5SMC91AHE3/57T have a low leakage current?

    • Yes, 1.5SMC91AHE3/57T has a low leakage current.

  10. Is 1.5SMC91AHE3/57T suitable for surge protection in power supply units?

    • Yes, 1.5SMC91AHE3/57T is suitable for surge protection in power supply units due to its high peak pulse power and clamping voltage characteristics.