Vishay Semiconductor Diodes Division
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SM15T39AHE3/57T
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SM15T39AHE3/57T

Product Overview

Category

The SM15T39AHE3/57T 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 voltage transients and spikes.

Characteristics

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

Package

The SM15T39AHE3/57T is available 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 SM15T39AHE3/57T is typically packaged in reels with a quantity of 3000 units per reel.

Specifications

  • Standoff Voltage: 33.3V
  • Breakdown Voltage: 36.7V
  • Maximum Reverse Leakage Current: 1μA
  • Peak Pulse Power Dissipation: 1500W
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SM15T39AHE3/57T has two pins, anode, and cathode, which are denoted by the markings on the diode body.

Functional Features

  • Provides effective protection against transient overvoltage events
  • Rapid response to voltage spikes
  • Low clamping voltage ensures minimal impact on the protected circuit

Advantages

  • High surge current capability
  • Compact SMC package for space-constrained applications
  • Wide operating temperature range

Disadvantages

  • May require additional circuitry for comprehensive surge protection in complex systems
  • Limited to low to medium power applications

Working Principles

The SM15T39AHE3/57T operates based on the principle of avalanche breakdown, where it rapidly conducts excess current away from the protected circuit when a voltage surge occurs, thereby limiting the voltage across the circuit.

Detailed Application Field Plans

The SM15T39AHE3/57T is commonly used in: - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SM15T39AHE3/57T include: - P6KE39CA - 1.5SMC33CA - SMAJ33A

In conclusion, the SM15T39AHE3/57T TVS diode offers reliable surge protection for a wide range of electronic applications, making it an essential component in ensuring the longevity and reliability of electronic systems.

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기술 솔루션에 SM15T39AHE3/57T 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is the maximum peak pulse power of SM15T39AHE3/57T?

    • The maximum peak pulse power is 1500 watts for a 10/1000 μs waveform.

  2. What is the breakdown voltage of SM15T39AHE3/57T?

    • The breakdown voltage is 43.6 volts minimum and 48.4 volts maximum at 1mA.

  3. What is the typical clamping voltage of SM15T39AHE3/57T?

    • The typical clamping voltage is 58.1 volts at 30A.

  4. What is the operating temperature range of SM15T39AHE3/57T?

    • The operating temperature range is from -55°C to +175°C.

  5. What is the peak pulse current capability of SM15T39AHE3/57T?

    • The peak pulse current capability is 457.5A for an 8/20μs waveform.

  6. Is SM15T39AHE3/57T RoHS compliant?

    • Yes, it is RoHS compliant.

  7. What is the package type of SM15T39AHE3/57T?

    • It comes in a DO-214AB (SMC) package.

  8. What are the typical applications for SM15T39AHE3/57T?

    • Typical applications include transient voltage suppression in automotive electronics, industrial equipment, and telecommunications systems.

  9. Does SM15T39AHE3/57T have low leakage current?

    • Yes, it has low leakage current of less than 1μA at its working voltage.

  10. What is the lead-free status of SM15T39AHE3/57T?

    • It is lead-free and meets the requirements of the European Union's RoHS directive.