Littelfuse Inc.
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TPSMB12CA
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TPSMB12CA

Product Overview

Category

The TPSMB12CA belongs to the category of transient voltage suppressor (TVS) diodes.

Use

It is used to protect 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

Package

The TPSMB12CA is typically available in a DO-214AA (SMB) package.

Essence

The essence of the TPSMB12CA is to provide robust protection against transient voltage events to ensure the reliability and longevity of electronic circuits.

Packaging/Quantity

It is commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Standoff Voltage: 10.5V
  • Breakdown Voltage: 11.7V
  • Maximum Clamping Voltage: 19V
  • Peak Pulse Current: 38.6A
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The TPSMB12CA typically has two pins, with the cathode marked by a line on the body of the diode.

Functional Features

  • Bi-directional clamping capability
  • Low leakage current
  • High reliability

Advantages

  • Provides effective protection against transient voltage events
  • Fast response time helps in minimizing damage to sensitive components
  • Wide operating temperature range allows for versatile application

Disadvantages

  • May exhibit some capacitance, which can affect high-frequency signal transmission
  • Clamping voltage may still allow for some voltage transients to pass through

Working Principles

When a transient voltage event occurs, the TPSMB12CA conducts and clamps the voltage to a safe level, diverting the excess energy away from the protected circuit.

Detailed Application Field Plans

The TPSMB12CA is widely used in various electronic systems, including: - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the TPSMB12CA include: - P6SMB12CA - 1.5SMC12CA - SMCJ12CA

In conclusion, the TPSMB12CA transient voltage suppressor diode offers reliable protection against transient voltage events, making it an essential component in safeguarding electronic circuits across various industries.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de TPSMB12CA en soluciones técnicas

  1. What is TPSMB12CA and what is its application in technical solutions?

    • TPSMB12CA is a transient voltage suppressor diode that is commonly used to protect sensitive electronic components from voltage spikes and transients in technical solutions.

  2. How does TPSMB12CA provide protection in technical solutions?

    • TPSMB12CA works by diverting excessive voltage away from sensitive components, preventing damage due to transient events such as lightning strikes or power surges.

  3. What are the key specifications of TPSMB12CA that make it suitable for technical solutions?

    • TPSMB12CA has a peak pulse power rating, low clamping voltage, and fast response time, making it ideal for protecting electronic circuits in technical solutions.

  4. In what types of technical solutions is TPSMB12CA commonly used?

    • TPSMB12CA is commonly used in power supplies, communication equipment, industrial controls, and other electronic systems where protection against voltage transients is critical.

  5. How does TPSMB12CA compare to other transient voltage suppressors in technical solutions?

    • TPSMB12CA offers a balance of performance, cost-effectiveness, and reliability, making it a popular choice for many technical applications.

  6. What are the best practices for integrating TPSMB12CA into a technical solution?

    • Proper PCB layout, adequate thermal management, and appropriate placement of TPSMB12CA in the circuit are important considerations for effective integration.

  7. Can TPSMB12CA be used in automotive or harsh environment applications?

    • Yes, TPSMB12CA is available in ruggedized packages and can withstand harsh environmental conditions, making it suitable for automotive and industrial applications.

  8. Are there any limitations or considerations when using TPSMB12CA in technical solutions?

    • While TPSMB12CA provides effective transient voltage suppression, it is important to ensure proper selection and sizing based on the specific requirements of the application.

  9. What are the failure modes of TPSMB12CA and how can they be mitigated in technical solutions?

    • Failure modes include thermal runaway and degradation over time. Mitigation strategies include proper derating, temperature monitoring, and periodic testing.

  10. Where can I find additional resources and support for implementing TPSMB12CA in technical solutions?

    • Manufacturers' datasheets, application notes, and technical support from suppliers are valuable resources for understanding and implementing TPSMB12CA effectively in technical solutions.