Vishay Semiconductor Diodes Division
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SM15T18AHE3/57T
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SM15T18AHE3/57T

Product Overview

Category

The SM15T18AHE3/57T belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for surge protection in various electronic circuits and systems to safeguard against transient voltage spikes.

Characteristics

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

Package

The SM15T18AHE3/57T comes in a DO-214AB (SMC) package.

Essence

This TVS diode is essential for protecting sensitive electronic components from voltage surges and transients.

Packaging/Quantity

The SM15T18AHE3/57T is typically packaged in reels with a quantity of 3000 units per reel.

Specifications

  • Standoff Voltage: 15V
  • Breakdown Voltage: 16.7V
  • Maximum Clamping Voltage: 25.9V
  • Peak Pulse Current: 44.4A
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SM15T18AHE3/57T has two pins, anode, and cathode, which are denoted by the "+" and "-" symbols on the device.

Functional Features

  • Provides effective protection against voltage transients
  • Fast response time ensures minimal impact on the protected circuit
  • Low clamping voltage prevents damage to sensitive components

Advantages and Disadvantages

Advantages

  • High surge current capability
  • Fast response time
  • Compact SMC package for space-saving designs

Disadvantages

  • Limited maximum clamping voltage compared to some higher-rated TVS diodes
  • May require additional circuitry for handling sustained overvoltage conditions

Working Principles

When a transient voltage spike occurs, the SM15T18AHE3/57T conducts and clamps the voltage to a safe level, diverting the excess energy away from the protected circuit.

Detailed Application Field Plans

The SM15T18AHE3/57T is commonly used in: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the SM15T18AHE3/57T include: - SMAJ15A - P6SMB15A - 1.5SMC15AT3

In conclusion, the SM15T18AHE3/57T TVS diode offers reliable surge protection with its fast response time and high surge current capability. Its compact package makes it suitable for various applications in different industries.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SM15T18AHE3/57T v technických řešeních

  1. What is the maximum peak pulse power of SM15T18AHE3/57T?

    • The maximum peak pulse power of SM15T18AHE3/57T is 1500 watts.

  2. What is the breakdown voltage of SM15T18AHE3/57T?

    • The breakdown voltage of SM15T18AHE3/57T is 20 volts.

  3. What is the operating temperature range for SM15T18AHE3/57T?

    • The operating temperature range for SM15T18AHE3/57T is -55°C to +175°C.

  4. What are the typical applications for SM15T18AHE3/57T?

    • SM15T18AHE3/57T is commonly used in surge protection for telecommunications equipment, industrial equipment, and automotive electronics.

  5. What is the clamping voltage of SM15T18AHE3/57T?

    • The clamping voltage of SM15T18AHE3/57T is 29.2 volts.

  6. Is SM15T18AHE3/57T RoHS compliant?

    • Yes, SM15T18AHE3/57T is RoHS compliant.

  7. What is the package type of SM15T18AHE3/57T?

    • SM15T18AHE3/57T comes in a DO-214AB (SMC) package.

  8. Does SM15T18AHE3/57T have a low leakage current?

    • Yes, SM15T18AHE3/57T has a low leakage current of less than 1µA.

  9. What is the response time of SM15T18AHE3/57T?

    • The response time of SM15T18AHE3/57T is less than 1 picosecond.

  10. Is SM15T18AHE3/57T suitable for high-speed data line protection?

    • Yes, SM15T18AHE3/57T is suitable for high-speed data line protection due to its fast response time and low clamping voltage.