Vishay Semiconductor Diodes Division
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SMA5J18AHE3/61
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SMA5J18AHE3/61

Product Overview

Category

The SMA5J18AHE3/61 belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for surge protection in electronic circuits, particularly in applications where protection against transient overvoltage events is required.

Characteristics

  • Voltage Rating: 18V
  • Power Dissipation: 5.0W
  • Package Type: DO-214AC (SMA)
  • Polarity: Unidirectional
  • RoHS Compliant: Yes

Package

The SMA5J18AHE3/61 is typically available in tape and reel packaging.

Essence

The essence of the SMA5J18AHE3/61 lies in its ability to provide robust surge protection in a compact and reliable package.

Packaging/Quantity

It is commonly packaged in reels with quantities varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 5.0W
  • Breakdown Voltage: 20.2V
  • Clamping Voltage: 29.2V
  • Maximum Surge Current: 50A
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMA5J18AHE3/61 typically has two pins, with the cathode connected to the marked side of the package.

Functional Features

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

Advantages and Disadvantages

Advantages

  • Effective surge protection
  • Compact size
  • RoHS compliance

Disadvantages

  • Limited to unidirectional protection
  • Clamping voltage may be higher compared to some other TVS diodes

Working Principles

The SMA5J18AHE3/61 operates by diverting transient surges away from sensitive components by rapidly conducting excess current when a voltage spike occurs, thus protecting downstream circuitry.

Detailed Application Field Plans

The SMA5J18AHE3/61 is commonly used in various electronic systems including: - Consumer electronics - Telecommunication equipment - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the SMA5J18AHE3/61 include: - SMA6J18AHE3/61 - SMAJ18AHE3/61 - SMAJ20AHE3/61

In conclusion, the SMA5J18AHE3/61 is a reliable TVS diode offering effective surge protection in a compact package, making it suitable for a wide range of electronic applications.

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技術ソリューションにおける SMA5J18AHE3/61 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 maximum reverse voltage of SMA5J18AHE3/61?

    • The maximum reverse voltage of SMA5J18AHE3/61 is 18V.

  2. What is the typical forward voltage drop of SMA5J18AHE3/61?

    • The typical forward voltage drop of SMA5J18AHE3/61 is 0.58V at 5A.

  3. What is the peak pulse current rating of SMA5J18AHE3/61?

    • The peak pulse current rating of SMA5J18AHE3/61 is 50A.

  4. What is the operating temperature range of SMA5J18AHE3/61?

    • The operating temperature range of SMA5J18AHE3/61 is -55°C to +150°C.

  5. What is the power dissipation of SMA5J18AHE3/61?

    • The power dissipation of SMA5J18AHE3/61 is 1.5W.

  6. What are the typical applications for SMA5J18AHE3/61?

    • SMA5J18AHE3/61 is commonly used in surge protection, voltage clamping, and transient voltage suppression applications.

  7. What is the package type of SMA5J18AHE3/61?

    • SMA5J18AHE3/61 comes in a DO-214AC (SMA) package.

  8. What is the breakdown voltage of SMA5J18AHE3/61?

    • The breakdown voltage of SMA5J18AHE3/61 is 20V.

  9. What is the reverse leakage current of SMA5J18AHE3/61 at its maximum rated voltage?

    • The reverse leakage current of SMA5J18AHE3/61 at its maximum rated voltage is typically 0.5µA.

  10. Is SMA5J18AHE3/61 RoHS compliant?

    • Yes, SMA5J18AHE3/61 is RoHS compliant, making it suitable for use in environmentally friendly electronic products.