Vishay Semiconductor Diodes Division
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1.5SMC91AHE3/9AT
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1.5SMC91AHE3/9AT

Product Overview

Category

The 1.5SMC91AHE3/9AT belongs to the category of surface mount transient voltage suppressor diodes.

Use

These diodes are used to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

Characteristics

  • Package: SMC (DO-214AB)
  • Essence: Transient Voltage Suppressor Diode
  • Packaging/Quantity: Tape & Reel (1500 units per reel)

Specifications

  • Voltage Rating: 91V
  • Power Dissipation: 1500W
  • Breakdown Voltage: 100.5V to 111.6V
  • Operating Temperature: -55°C to +150°C
  • Reverse Standoff Voltage: 77.4V
  • Clamping Voltage: 124V
  • Peak Pulse Current: 38.6A

Detailed Pin Configuration

The 1.5SMC91AHE3/9AT has a standard SMC package with two pins for surface mounting onto a PCB.

Functional Features

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

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Compact SMC package for space-constrained applications
  • RoHS compliance for environmental considerations

Disadvantages

  • Higher clamping voltage compared to some alternative models
  • Limited to specific voltage ratings

Working Principles

When a transient voltage spike occurs, the diode conducts and clamps the voltage to a safe level, protecting the downstream circuitry.

Detailed Application Field Plans

The 1.5SMC91AHE3/9AT is commonly used in: - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to consider include: - 1.5SMC Series: Various voltage ratings within the same package - P6SMBJ Series: Different package and voltage options - SMAJ Series: Similar voltage ratings in a smaller package

In conclusion, the 1.5SMC91AHE3/9AT is a reliable transient voltage suppressor diode suitable for various electronic applications, offering effective protection against voltage transients while considering space constraints and environmental regulations.

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تکنیکی حل میں 1.5SMC91AHE3/9AT کے اطلاق سے متعلق 10 عام سوالات اور جوابات کی فہرست بنائیں

  1. What is the voltage rating of 1.5SMC91AHE3/9AT?

    • The voltage rating of 1.5SMC91AHE3/9AT is 91V.

  2. What is the peak pulse power of 1.5SMC91AHE3/9AT?

    • The peak pulse power of 1.5SMC91AHE3/9AT is 1500W.

  3. What is the breakdown voltage of 1.5SMC91AHE3/9AT?

    • The breakdown voltage of 1.5SMC91AHE3/9AT is 100.5V to 111V.

  4. What are the typical applications for 1.5SMC91AHE3/9AT?

    • Typical applications for 1.5SMC91AHE3/9AT include transient voltage suppression in electronic equipment, automotive systems, and industrial controls.

  5. What is the maximum clamping voltage of 1.5SMC91AHE3/9AT?

    • The maximum clamping voltage of 1.5SMC91AHE3/9AT is 146V at 10A.

  6. What is the operating temperature range of 1.5SMC91AHE3/9AT?

    • The operating temperature range of 1.5SMC91AHE3/9AT is -55°C to 150°C.

  7. Is 1.5SMC91AHE3/9AT RoHS compliant?

    • Yes, 1.5SMC91AHE3/9AT is RoHS compliant.

  8. What is the package type of 1.5SMC91AHE3/9AT?

    • 1.5SMC91AHE3/9AT is available in a DO-214AB (SMC) package.

  9. What are the key features of 1.5SMC91AHE3/9AT?

    • Key features of 1.5SMC91AHE3/9AT include low incremental surge resistance, fast response time, and high reliability.

  10. What are the recommended storage conditions for 1.5SMC91AHE3/9AT?

    • It is recommended to store 1.5SMC91AHE3/9AT in a dry environment at temperatures below 40°C and humidity levels below 75%.