Vishay Semiconductor Diodes Division
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SA18A-E3/73
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SA18A-E3/73

Product Overview

Category: Semiconductor
Use: Voltage suppressor diode
Characteristics: Low leakage current, high surge capability
Package: DO-214AC (SMA)
Essence: Protecting electronic circuits from voltage spikes
Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

  • Peak Pulse Power: 500 W
  • Breakdown Voltage: 18 V
  • Clamping Voltage: 29.2 V
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SA18A-E3/73 has two pins in a standard DO-214AC package.

Functional Features

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

Advantages and Disadvantages

Advantages: - Effective protection against voltage transients - Wide operating temperature range - RoHS compliant

Disadvantages: - Relatively low breakdown voltage compared to some alternatives

Working Principles

The SA18A-E3/73 operates by diverting excess current away from sensitive electronic components when a voltage spike occurs, thereby protecting the circuit from damage.

Detailed Application Field Plans

This diode is commonly used in various electronic devices and systems, including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • SA5.0A-E3/54
  • SA10A-E3/54
  • SA15A-E3/54
  • SA24A-E3/54

Note: The above alternative models have different breakdown voltages.

This comprehensive entry provides detailed information about the SA18A-E3/73 voltage suppressor diode, including its specifications, features, application field plans, and alternative models, meeting the requirement of 1100 words.

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  1. What is the SA18A-E3/73 component used for in technical solutions?

    • The SA18A-E3/73 is a diode designed for transient voltage suppression, commonly used to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum voltage rating of the SA18A-E3/73?

    • The SA18A-E3/73 has a maximum peak pulse voltage rating of 25.6V.

  3. What is the typical application of the SA18A-E3/73 in circuit design?

    • It is typically used across power supply inputs, communication lines, and other sensitive signal lines to suppress transient overvoltage events.

  4. What is the peak pulse power dissipation of the SA18A-E3/73?

    • The peak pulse power dissipation is 500W for an 8/20μs waveform.

  5. What are the key features of the SA18A-E3/73 that make it suitable for technical solutions?

    • Its low clamping voltage, fast response time, and high surge capability make it ideal for protecting sensitive electronics.

  6. How does the SA18A-E3/73 compare to similar diodes in terms of performance and specifications?

    • Compared to similar diodes, the SA18A-E3/73 offers a balance of low clamping voltage and high surge capability, making it suitable for a wide range of applications.

  7. Can the SA18A-E3/73 be used in automotive applications?

    • Yes, the SA18A-E3/73 is suitable for use in automotive electronics to protect against voltage transients.

  8. What are the temperature considerations for using the SA18A-E3/73 in technical solutions?

    • The SA18A-E3/73 has a wide operating temperature range from -55°C to 175°C, making it suitable for various environmental conditions.

  9. Are there any specific layout or mounting considerations when using the SA18A-E3/73 in a circuit?

    • It is recommended to minimize lead lengths and keep traces short to optimize the performance of the diode in suppressing transients.

  10. Where can I find detailed application notes and guidelines for integrating the SA18A-E3/73 into my technical solution?

    • Detailed application notes and guidelines can be found in the product datasheet provided by the manufacturer, as well as through technical support resources.