Vishay Semiconductor Diodes Division
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SMA5J28HE3/5A
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SMA5J28HE3/5A

Product Overview

Category

The SMA5J28HE3/5A belongs to the category of semiconductor devices, specifically a TVS (Transient Voltage Suppressor) diode.

Use

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

Characteristics

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

Package

The SMA5J28HE3/5A is available in a DO-214AC (SMA) package.

Essence

The essence of this product lies in its ability to protect sensitive electronic components from voltage surges and transients.

Packaging/Quantity

The SMA5J28HE3/5A is typically packaged in reels with quantities varying based on customer requirements.

Specifications

  • Peak Pulse Power: 5000W
  • Breakdown Voltage: 28V
  • Maximum Clamping Voltage: 45.4V
  • Operating Temperature Range: -55°C to 150°C
  • RoHS Compliant: Yes

Detailed Pin Configuration

The SMA5J28HE3/5A has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Fast response to transient events
  • Low clamping voltage to protect downstream components
  • High surge capability for reliable protection

Advantages

  • Effective surge protection
  • Compact size
  • RoHS compliant

Disadvantages

  • Limited breakdown voltage range
  • May require additional circuitry for comprehensive surge protection in some applications

Working Principles

When a transient event occurs, the SMA5J28HE3/5A conducts current and clamps the voltage to a safe level, protecting the connected circuitry.

Detailed Application Field Plans

The SMA5J28HE3/5A is commonly used in: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the SMA5J28HE3/5A include: - P6KE27CA - SMBJ28CA - 1.5KE30A

In conclusion, the SMA5J28HE3/5A is a vital component in electronic circuits, providing essential surge protection to ensure the reliability and longevity of electronic systems.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMA5J28HE3/5A v technických řešeních

  1. What is the maximum voltage rating of SMA5J28HE3/5A?

    • The maximum voltage rating of SMA5J28HE3/5A is 28V.

  2. What is the peak pulse power dissipation of SMA5J28HE3/5A?

    • The peak pulse power dissipation of SMA5J28HE3/5A is 5000W for a 10/1000μs waveform.

  3. What is the typical clamping voltage of SMA5J28HE3/5A?

    • The typical clamping voltage of SMA5J28HE3/5A is 45.7V at 14A.

  4. What is the maximum reverse leakage current of SMA5J28HE3/5A?

    • The maximum reverse leakage current of SMA5J28HE3/5A is 1μA at 25°C.

  5. What is the operating temperature range of SMA5J28HE3/5A?

    • The operating temperature range of SMA5J28HE3/5A is -55°C to +150°C.

  6. Is SMA5J28HE3/5A suitable for overvoltage protection in automotive electronics?

    • Yes, SMA5J28HE3/5A is suitable for overvoltage protection in automotive electronics due to its high power dissipation and clamping voltage characteristics.

  7. Can SMA5J28HE3/5A be used in surge protection applications for telecommunication equipment?

    • Yes, SMA5J28HE3/5A is commonly used in surge protection applications for telecommunication equipment due to its high surge capability and low leakage current.

  8. Does SMA5J28HE3/5A have RoHS compliance?

    • Yes, SMA5J28HE3/5A is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  9. What are the typical applications of SMA5J28HE3/5A?

    • Typical applications of SMA5J28HE3/5A include overvoltage protection in power supplies, surge protection in industrial equipment, and transient voltage suppression in consumer electronics.

  10. Is SMA5J28HE3/5A available in surface mount package?

    • Yes, SMA5J28HE3/5A is available in a surface mount DO-214AC (SMA) package for easy integration into circuit boards.