Vishay Semiconductor Diodes Division
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SMAJ18HE3/61
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SMAJ18HE3/61

Product Overview

Category:

SMAJ18HE3/61 belongs to the category of semiconductor devices.

Use:

It is used for transient voltage suppression in electronic circuits.

Characteristics:

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

Package:

The SMAJ18HE3/61 comes in a DO-214AC (SMA) package.

Essence:

This product provides protection against voltage transients in electronic circuits.

Packaging/Quantity:

The SMAJ18HE3/61 is typically packaged in reels and available in quantities suitable for production runs.

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage: 18V
  • Clamping Voltage: 29.2V
  • Maximum Surge Current: 22.6A
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ18HE3/61 has two pins, with the anode connected to pin 1 and the cathode connected to pin 2.

Functional Features

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

Advantages

  • High surge current capability
  • Fast response time
  • Compact size for easy integration into circuit designs

Disadvantages

  • Limited breakdown voltage range
  • May require additional components for comprehensive circuit protection

Working Principles

When a voltage transient occurs, the SMAJ18HE3/61 conducts and clamps the voltage to a safe level, protecting the downstream circuitry from damage.

Detailed Application Field Plans

The SMAJ18HE3/61 is commonly used in: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • SMAJ5.0A
  • SMAJ12A
  • SMAJ24A
  • SMAJ36A

These alternative models offer different breakdown voltages and surge current capabilities to suit various application requirements.

In conclusion, SMAJ18HE3/61 is a semiconductor device designed to protect electronic circuits from voltage transients. Its fast response time, low clamping voltage, and high surge current capability make it suitable for a wide range of applications in different industries.

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技術ソリューションにおける SMAJ18HE3/61 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 peak pulse power of SMAJ18HE3/61?

    • The maximum peak pulse power of SMAJ18HE3/61 is 400 watts for a 10/1000 µs waveform.

  2. What is the breakdown voltage of SMAJ18HE3/61?

    • The breakdown voltage of SMAJ18HE3/61 is typically 20 volts.

  3. What is the operating temperature range for SMAJ18HE3/61?

    • SMAJ18HE3/61 has an operating temperature range of -55°C to +150°C.

  4. What is the reverse stand-off voltage of SMAJ18HE3/61?

    • The reverse stand-off voltage of SMAJ18HE3/61 is 18 volts.

  5. What are the typical applications for SMAJ18HE3/61?

    • SMAJ18HE3/61 is commonly used in surge protection for sensitive electronics, such as in telecommunications equipment, industrial control systems, and automotive electronics.

  6. What is the response time of SMAJ18HE3/61?

    • The response time of SMAJ18HE3/61 is very fast, typically responding within nanoseconds to transient voltage surges.

  7. Does SMAJ18HE3/61 require any external components for proper operation?

    • No, SMAJ18HE3/61 does not require any external components for its basic surge protection function.

  8. Is SMAJ18HE3/61 RoHS compliant?

    • Yes, SMAJ18HE3/61 is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  9. What is the package type of SMAJ18HE3/61?

    • SMAJ18HE3/61 comes in a DO-214AC (SMA) package.

  10. Can SMAJ18HE3/61 be used for both overvoltage and ESD protection?

    • Yes, SMAJ18HE3/61 can be used for both overvoltage and electrostatic discharge (ESD) protection in various technical solutions.