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SMBJ180
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SMBJ180 - Product Overview

Introduction

The SMBJ180 is a diode belonging to the category of transient voltage suppressor (TVS) diodes. These diodes are widely used for protecting sensitive electronic components from voltage spikes and transients. The SMBJ180, in particular, offers unique characteristics and features that make it suitable for various applications.

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 capability
  • Package: SMB (DO-214AA)
  • Essence: Safeguarding electronic circuits from voltage surges
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

  • Voltage - Reverse Standoff (Typ): 154V
  • Voltage - Breakdown (Min): 171V
  • Voltage - Clamping (Max) @ Ipp: 274V
  • Current - Peak Pulse (10/1000µs): 5.8A
  • Power - Peak Pulse: 600W
  • Type: Unidirectional

Detailed Pin Configuration

The SMBJ180 typically follows the standard pin configuration for SMB package diodes, with two pins for connection to the circuit.

Functional Features

  • Fast Response Time: Rapid reaction to voltage transients
  • Low Clamping Voltage: Limits the voltage across the protected circuit
  • High Surge Capability: Ability to handle large surge currents

Advantages and Disadvantages

Advantages

  • Effective protection against voltage spikes
  • Compact size for easy integration into circuits
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability compared to larger TVS diodes
  • Higher clamping voltage than some specialized TVS diodes

Working Principles

The SMBJ180 operates based on the principle of avalanche breakdown. When a voltage spike occurs, the diode rapidly conducts, diverting the excess current away from the protected circuit and limiting the voltage across it.

Detailed Application Field Plans

The SMBJ180 finds application in various fields, including: - Telecommunications: Protecting communication equipment from lightning-induced surges - Automotive: Safeguarding sensitive electronics in vehicles from voltage transients - Industrial Control Systems: Shielding control circuitry from power line disturbances - Consumer Electronics: Ensuring the reliability of electronic devices in the face of electrical disturbances

Detailed and Complete Alternative Models

  • SMBJ170A: Lower reverse standoff voltage for more sensitive applications
  • SMBJ200CA: Higher clamping voltage for increased surge tolerance
  • SMBJ160A: Lower peak pulse current for less demanding environments

In conclusion, the SMBJ180 transient voltage suppressor diode offers effective protection against voltage spikes and transients, making it an essential component in various electronic systems.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van SMBJ180 in technische oplossingen

  1. What is the SMBJ180?

    • The SMBJ180 is a type of transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum voltage rating of the SMBJ180?

    • The SMBJ180 has a maximum voltage rating of 180 volts.

  3. What is the peak pulse power handling capability of the SMBJ180?

    • The SMBJ180 can handle peak pulse power up to a specified level, typically around 600 watts.

  4. How does the SMBJ180 protect electronic circuits?

    • The SMBJ180 clamps the voltage during transient events, diverting excess current away from sensitive components and preventing damage.

  5. In what applications is the SMBJ180 commonly used?

    • The SMBJ180 is commonly used in applications such as power supplies, telecommunications equipment, and industrial control systems.

  6. What are the key features of the SMBJ180?

    • The key features of the SMBJ180 include low clamping voltage, fast response time, and high surge current capability.

  7. What is the operating temperature range of the SMBJ180?

    • The SMBJ180 typically operates within a temperature range of -55°C to 150°C.

  8. How should the SMBJ180 be mounted in a circuit?

    • The SMBJ180 should be mounted close to the protected components and connected with short traces to minimize inductance.

  9. What standards or certifications does the SMBJ180 comply with?

    • The SMBJ180 may comply with industry standards such as IEC 61000-4-5 for surge protection and may have UL recognition.

  10. Are there any recommended layout considerations when using the SMBJ180?

    • It is recommended to follow layout guidelines provided in the datasheet, including proper grounding and routing of signal lines to ensure effective protection.

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