Vishay Semiconductor Diodes Division
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SMCJ170A-E3/9AT
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SMCJ170A-E3/9AT

Product Overview

Category

The SMCJ170A-E3/9AT belongs to the category of semiconductor devices, specifically a transient voltage suppressor (TVS) diode.

Use

It is used for protecting sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Characteristics

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

Package

The SMCJ170A-E3/9AT is typically available in a DO-214AB (SMC) package.

Essence

The essence of the SMCJ170A-E3/9AT lies in its ability to divert excessive current away from sensitive components, thereby safeguarding them from damage due to voltage spikes.

Packaging/Quantity

The SMCJ170A-E3/9AT is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 188V
  • Maximum Clamping Voltage: 270V
  • Operating Temperature Range: -55°C to +150°C
  • Reverse Standoff Voltage: 170V

Detailed Pin Configuration

The SMCJ170A-E3/9AT typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

  • Bi-directional protection
  • Low leakage current
  • High reliability
  • Compact size

Advantages

  • Provides robust protection against transient voltage events
  • Fast response time ensures minimal impact on the protected circuit
  • Suitable for a wide range of applications

Disadvantages

  • May require additional circuitry for comprehensive overvoltage protection
  • Limited to specific voltage ranges

Working Principles

When a transient voltage event occurs, the SMCJ170A-E3/9AT conducts excess current away from the protected circuit, limiting the voltage across it to a safe level. This action helps prevent damage to the sensitive components.

Detailed Application Field Plans

The SMCJ170A-E3/9AT is widely used in various applications, including: - Telecommunications equipment - Automotive electronics - Industrial control systems - Consumer electronics - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the SMCJ170A-E3/9AT include: - P6KE170CA - 1.5SMC170CA - SA170CA

In conclusion, the SMCJ170A-E3/9AT is a crucial component in protecting electronic circuits from transient voltage events, offering fast response times and high surge current capabilities. Its compact size and bi-directional protection make it suitable for a wide range of applications, although additional circuitry may be required for comprehensive overvoltage protection in some cases.

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تکنیکی حل میں SMCJ170A-E3/9AT کے اطلاق سے متعلق 10 عام سوالات اور جوابات کی فہرست بنائیں

  1. What is the SMCJ170A-E3/9AT used for?

    • The SMCJ170A-E3/9AT is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum peak pulse current of the SMCJ170A-E3/9AT?

    • The maximum peak pulse current for the SMCJ170A-E3/9AT is 3000A.

  3. What is the breakdown voltage of the SMCJ170A-E3/9AT?

    • The breakdown voltage of the SMCJ170A-E3/9AT is 170V.

  4. How does the SMCJ170A-E3/9AT protect electronic circuits?

    • The SMCJ170A-E3/9AT clamps the voltage during transient events, diverting excess current away from sensitive components and preventing damage.

  5. What are the typical applications of the SMCJ170A-E3/9AT?

    • Typical applications include protection of power supplies, communication systems, industrial equipment, and automotive electronics.

  6. Is the SMCJ170A-E3/9AT suitable for high-speed data lines?

    • Yes, the SMCJ170A-E3/9AT is suitable for protecting high-speed data lines from voltage transients.

  7. What is the response time of the SMCJ170A-E3/9AT?

    • The response time of the SMCJ170A-E3/9AT is very fast, typically in the nanosecond range.

  8. Can the SMCJ170A-E3/9AT be used in harsh environments?

    • Yes, the SMCJ170A-E3/9AT is designed to withstand harsh environmental conditions and is suitable for use in rugged applications.

  9. Does the SMCJ170A-E3/9AT require heat sinking?

    • Heat sinking may be required for high-power applications or prolonged exposure to high currents, but for typical usage, it may not be necessary.

  10. Are there any special considerations for PCB layout when using the SMCJ170A-E3/9AT?

    • It's important to minimize trace lengths and provide a low-inductance path to the device to ensure optimal performance. Additionally, proper grounding and placement near protected components are essential for effective protection.