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SMDJ170A-T7

SMDJ170A-T7 Encyclopedia Entry

Product Overview

Category

The SMDJ170A-T7 belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

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

Characteristics

  • Voltage Suppression: Capable of suppressing voltage spikes and transients.
  • Fast Response Time: Provides rapid response to transient events.
  • Low Clamping Voltage: Ensures minimal impact on the protected circuit during transient events.
  • Compact Package: Small form factor suitable for integration into various electronic devices.

Package

The SMDJ170A-T7 is typically available in a surface-mount package, making it suitable for automated assembly processes.

Essence

The essence of the SMDJ170A-T7 lies in its ability to protect sensitive electronic components from voltage surges and transients, thereby enhancing the reliability and longevity of electronic systems.

Packaging/Quantity

It is commonly supplied in reels or tape and reel packaging, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 3000 W
  • Standoff Voltage: 170 V
  • Breakdown Voltage: 188 V to 209 V
  • Clamping Voltage: 275 V at 10 A
  • Operating Temperature Range: -55°C to 150°C
  • Package Type: DO-214AB (SMC)

Detailed Pin Configuration

The SMDJ170A-T7 follows the standard pin configuration for diodes in the DO-214AB package, with two terminals for connection to the circuit board.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
  • Fast Reaction Time: Rapid response to transient events ensures minimal impact on the protected circuit.
  • Low Leakage Current: Maintains low leakage current under normal operating conditions.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Compact form factor for easy integration

Disadvantages

  • Limited to specific voltage ranges
  • May require additional circuitry for comprehensive surge protection in complex systems

Working Principles

The SMDJ170A-T7 operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage across it exceeds the breakdown voltage. This effectively diverts the transient energy away from the protected circuit.

Detailed Application Field Plans

The SMDJ170A-T7 finds extensive use in various applications, including: - Telecommunications: Protecting communication equipment from lightning-induced surges. - Industrial Control Systems: Safeguarding control systems from power line transients. - Automotive Electronics: Shielding vehicle electronics from voltage spikes.

Detailed and Complete Alternative Models

  • P6KE170CA: Similar TVS diode with comparable specifications.
  • 1.5SMC170CA: Surface-mount TVS diode offering surge protection in a different package format.

In conclusion, the SMDJ170A-T7 serves as a critical component in safeguarding electronic systems from transient voltage events, offering reliable protection and fast response characteristics. Its compact design and high power handling make it a valuable asset in various applications requiring surge protection.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMDJ170A-T7 v technických řešeních

  1. What is the maximum reverse voltage of SMDJ170A-T7?

    • The maximum reverse voltage of SMDJ170A-T7 is 170V.

  2. What is the peak pulse power dissipation of SMDJ170A-T7?

    • The peak pulse power dissipation of SMDJ170A-T7 is 3000W.

  3. What are the typical applications of SMDJ170A-T7?

    • SMDJ170A-T7 is commonly used in surge protection for sensitive electronics, such as in telecommunications equipment, industrial control systems, and power supplies.

  4. What is the breakdown voltage of SMDJ170A-T7?

    • The breakdown voltage of SMDJ170A-T7 is typically 188V.

  5. What is the operating temperature range of SMDJ170A-T7?

    • SMDJ170A-T7 has an operating temperature range of -55°C to 150°C.

  6. What is the clamping voltage of SMDJ170A-T7?

    • The clamping voltage of SMDJ170A-T7 at its peak pulse current is typically 275V.

  7. Is SMDJ170A-T7 RoHS compliant?

    • Yes, SMDJ170A-T7 is RoHS compliant, making it suitable for use in environmentally conscious designs.

  8. What is the package type of SMDJ170A-T7?

    • SMDJ170A-T7 is available in a surface mount DO-214AB (SMC) package.

  9. Does SMDJ170A-T7 have any certifications or approvals?

    • SMDJ170A-T7 is often certified to meet industry standards such as IEC 61000-4-5 for surge protection devices.

  10. Can SMDJ170A-T7 be used for overvoltage protection in automotive applications?

    • Yes, SMDJ170A-T7 can be utilized for overvoltage protection in automotive electronics due to its high surge capability and reliability.