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SMBJ170
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SMBJ170 Product Overview

Introduction

The SMBJ170 belongs to the category of transient voltage suppressor (TVS) diodes, which are widely used for protecting sensitive electronics from voltage spikes and transients. This entry provides a comprehensive overview of the SMBJ170, 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 (TVS) Diode
  • Use: Protection against voltage spikes and transients
  • Characteristics: Fast response time, low clamping voltage, high surge current capability
  • Package: SMB (DO-214AA)
  • Essence: TVS diode for circuit protection
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

  • Part Number: SMBJ170
  • Stand-off Voltage: 170V
  • Breakdown Voltage: 188V
  • Peak Pulse Power: 600W
  • Operating Temperature Range: -55°C to 150°C
  • RoHS Compliant: Yes

Detailed Pin Configuration

The SMBJ170 TVS diode typically has two pins, anode, and cathode, with the following pin configuration: - Anode (A) - Pin 1 - Cathode (K) - Pin 2

Functional Features

  • Transient Voltage Suppression: Provides protection by diverting excessive current away from sensitive components during voltage transients.
  • Fast Response Time: Rapidly responds to voltage spikes, safeguarding connected circuits.
  • Low Clamping Voltage: Limits the voltage across the protected circuit during transient events.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage surges
  • Fast response time
  • Compact form factor

Disadvantages

  • Limited surge current handling capacity compared to larger TVS diodes
  • May require additional circuitry for higher power applications

Working Principles

The SMBJ170 operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage exceeds the specified level, thereby protecting downstream components.

Detailed Application Field Plans

The SMBJ170 is commonly used in various applications, including: - Telecommunications: Protecting communication equipment from lightning-induced surges - Industrial Electronics: Safeguarding control systems from voltage transients - Automotive Electronics: Shielding sensitive automotive electronics from electrical disturbances - Consumer Electronics: Protecting electronic devices from power surges and ESD events

Detailed and Complete Alternative Models

  • SMBJ5.0A: Stand-off Voltage: 5.0V, Breakdown Voltage: 6.4V, Peak Pulse Power: 600W
  • SMBJ28A: Stand-off Voltage: 28V, Breakdown Voltage: 31.1V, Peak Pulse Power: 600W
  • SMBJ440A: Stand-off Voltage: 440V, Breakdown Voltage: 488V, Peak Pulse Power: 600W

In conclusion, the SMBJ170 TVS diode offers effective protection against voltage transients and surges in a compact package, making it suitable for a wide range of electronic applications.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van SMBJ170 in technische oplossingen

  1. What is the SMBJ170?

    • The SMBJ170 is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum peak pulse power of the SMBJ170?

    • The maximum peak pulse power of the SMBJ170 is 600 watts.

  3. What is the breakdown voltage of the SMBJ170?

    • The breakdown voltage of the SMBJ170 is 170 volts.

  4. What are the typical applications of the SMBJ170?

    • The SMBJ170 is commonly used in applications such as telecommunications equipment, industrial automation, and automotive electronics for transient voltage protection.

  5. What is the response time of the SMBJ170?

    • The response time of the SMBJ170 is very fast, typically responding within nanoseconds to clamp transient voltages.

  6. What is the operating temperature range of the SMBJ170?

    • The SMBJ170 has an operating temperature range of -55°C to 150°C, making it suitable for a wide range of environments.

  7. Does the SMBJ170 require any external components for proper operation?

    • No, the SMBJ170 does not require any external components for its basic operation as a transient voltage suppressor.

  8. Can the SMBJ170 be used for ESD protection?

    • Yes, the SMBJ170 can also be used for electrostatic discharge (ESD) protection in various electronic circuits.

  9. What is the packaging type available for the SMBJ170?

    • The SMBJ170 is available in various package types, including DO-214AA (SMB) and DO-214AB (SMC).

  10. Is the SMBJ170 RoHS compliant?

    • Yes, the SMBJ170 is RoHS compliant, meeting the requirements for lead-free and environmentally friendly manufacturing processes.