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SMDJ17
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SMDJ17: Product Overview and Specifications

Introduction

The SMDJ17 belongs to the category of transient voltage suppressor diodes, commonly used for surge protection in electronic circuits. This entry provides a comprehensive overview of the SMDJ17, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Surge protection in electronic circuits
  • Characteristics: Fast response time, high surge capability
  • Package: SMD (Surface Mount Device)
  • Essence: Protects sensitive electronic components from voltage spikes
  • Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

  • Part Number: SMDJ17
  • Peak Pulse Power: 3000W
  • Breakdown Voltage Range: 15.3V to 17V
  • Operating Temperature Range: -55°C to +150°C
  • Polarity: Unidirectional

Detailed Pin Configuration

The SMDJ17 typically features a standard SMD package with two terminals. The pin configuration is as follows: - Terminal 1: Anode - Terminal 2: Cathode

Functional Features

  • Rapid clamping of transient voltages
  • Low incremental surge resistance
  • High surge current capability
  • Excellent clamping capability

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Compact SMD package for space-constrained applications
  • Wide operating temperature range

Disadvantages

  • Unidirectional protection only
  • May require additional circuitry for bidirectional protection

Working Principles

The SMDJ17 operates by diverting excessive voltage transients away from sensitive electronic components. When a transient voltage spike occurs, the diode rapidly conducts, shunting the excess energy to ground and limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMDJ17 finds extensive use in various applications, including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Several alternative models to the SMDJ17 include: - SMDJ5.0A - SMDJ12A - SMDJ24CA - SMDJ40A - SMDJ58A

In conclusion, the SMDJ17 transient voltage suppressor diode offers efficient surge protection for electronic circuits, making it an essential component in various industries and applications.

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技術ソリューションにおける SMDJ17 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 SMDJ17?

    • SMDJ17 is a type of surface mount diode designed to protect electronic circuits from voltage spikes and transient events.

  2. What are the key features of SMDJ17?

    • SMDJ17 features include a high surge capability, low clamping voltage, and fast response time.

  3. How does SMDJ17 protect electronic circuits?

    • SMDJ17 protects electronic circuits by diverting excessive voltage and current away from sensitive components during transient events, such as lightning strikes or ESD.

  4. What are the typical applications of SMDJ17?

    • SMDJ17 is commonly used in power supplies, communication equipment, automotive electronics, and industrial control systems to provide overvoltage protection.

  5. What is the maximum clamping voltage of SMDJ17?

    • The maximum clamping voltage of SMDJ17 is typically around 27.4 volts at its peak pulse current rating.

  6. Can SMDJ17 be used for high-speed data lines?

    • Yes, SMDJ17 is suitable for protecting high-speed data lines, such as USB, Ethernet, and HDMI, due to its fast response time.

  7. What is the temperature range for SMDJ17?

    • SMDJ17 is designed to operate within a wide temperature range, typically from -55°C to 150°C, making it suitable for various environmental conditions.

  8. Is SMDJ17 RoHS compliant?

    • Yes, SMDJ17 is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring it meets environmental standards.

  9. What is the recommended PCB layout for SMDJ17?

    • It is recommended to place SMDJ17 close to the protected circuitry and to minimize the trace length between the diode and the protected components for optimal performance.

  10. Are there any alternative devices to SMDJ17 for overvoltage protection?

    • Yes, other alternatives include SMAJ, SMBJ, and SMCJ series diodes, each with varying voltage and power ratings to suit different application requirements.