Vishay Semiconductor Diodes Division
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SMA5J18-E3/61
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SMA5J18-E3/61

Product Overview

Category

The SMA5J18-E3/61 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

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

Package

The SMA5J18-E3/61 is available in a DO-214AC (SMA) package.

Essence

The essence of the SMA5J18-E3/61 lies in its ability to provide reliable overvoltage protection in a compact form factor.

Packaging/Quantity

The SMA5J18-E3/61 is typically packaged in reels with a quantity of 3000 units per reel.

Specifications

  • Standoff Voltage: 15.3V
  • Breakdown Voltage: 17V
  • Maximum Reverse Leakage Current: 1µA
  • Peak Pulse Power Dissipation: 5000W
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMA5J18-E3/61 has two pins, with the anode connected to pin 1 and the cathode connected to pin 2.

Functional Features

  • Provides effective protection against transient voltage events
  • Fast response time ensures minimal impact on the protected circuit
  • Low clamping voltage limits the voltage across the protected device

Advantages

  • High surge current capability
  • Compact form factor
  • RoHS compliant

Disadvantages

  • Limited to low voltage applications
  • May require additional components for comprehensive surge protection in complex systems

Working Principles

The SMA5J18-E3/61 operates based on the principle of avalanche breakdown, where it rapidly diverts excess voltage away from the protected circuit, limiting the voltage across it.

Detailed Application Field Plans

The SMA5J18-E3/61 is commonly used in: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the SMA5J18-E3/61 include: - SMA6J18A-E3/61 - SMAJ18A-E3/61 - SMAJ18CA-E3/61

In conclusion, the SMA5J18-E3/61 is a versatile TVS diode that offers reliable 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 SMA5J18-E3/61 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 SMA5J18-E3/61?

    • The maximum reverse voltage of SMA5J18-E3/61 is 18V.

  2. What is the peak pulse power dissipation of SMA5J18-E3/61?

    • The peak pulse power dissipation of SMA5J18-E3/61 is 500W.

  3. What is the typical junction capacitance of SMA5J18-E3/61?

    • The typical junction capacitance of SMA5J18-E3/61 is 150pF.

  4. What is the operating temperature range of SMA5J18-E3/61?

    • The operating temperature range of SMA5J18-E3/61 is -55°C to +150°C.

  5. What are the package dimensions of SMA5J18-E3/61?

    • The package dimensions of SMA5J18-E3/61 are SMA (DO-214AC) with a length of 5.08mm and a width of 3.94mm.

  6. What is the forward voltage drop of SMA5J18-E3/61 at a specified current?

    • The forward voltage drop of SMA5J18-E3/61 is typically 0.58V at a forward current of 10A.

  7. Is SMA5J18-E3/61 suitable for overvoltage protection in electronic circuits?

    • Yes, SMA5J18-E3/61 is commonly used for overvoltage protection in electronic circuits due to its high power dissipation capability.

  8. Can SMA5J18-E3/61 be used in automotive applications?

    • Yes, SMA5J18-E3/61 is suitable for use in automotive applications where transient voltage suppression is required.

  9. What are the typical applications of SMA5J18-E3/61 in technical solutions?

    • SMA5J18-E3/61 is often used for surge protection in telecommunications equipment, industrial control systems, and power supplies.

  10. Does SMA5J18-E3/61 comply with RoHS and REACH regulations?

    • Yes, SMA5J18-E3/61 is compliant with RoHS and REACH regulations, making it suitable for use in environmentally conscious designs.