Bourns Inc.
Imej mungkin representasi.
Lihat spesifikasi untuk butiran produk.
SMLJ78CA
Lihat Butiran Helaian data

SMLJ78CA Diode: Encyclopedia Entry

Introduction

The SMLJ78CA diode is a crucial component in electronic circuits, providing protection against voltage spikes and surges. This entry provides an overview of the SMLJ78CA diode, including its product details, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Overview

Category

The SMLJ78CA diode belongs to the category of transient voltage suppressor (TVS) diodes.

Use

It is primarily used for surge protection in electronic circuits, safeguarding sensitive components from voltage transients.

Characteristics

  • Fast response time
  • High surge capability
  • Low clamping voltage
  • Compact package size

Package

The SMLJ78CA diode is typically available in a DO-214AB (SMC) package.

Essence

The essence of the SMLJ78CA diode lies in its ability to rapidly clamp transient voltages to protect downstream components.

Packaging/Quantity

These diodes are commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 3000W
  • Breakdown Voltage: 78V
  • Maximum Clamping Voltage: 126V
  • Operating Temperature Range: -55°C to 150°C
  • RoHS compliant

Detailed Pin Configuration

The SMLJ78CA diode typically consists of two pins, with the cathode connected to the ground and the anode connected to the protected circuit.

Functional Features

  • Rapid response to transient voltage spikes
  • Low leakage current
  • High surge handling capability
  • Robust construction for reliability

Advantages and Disadvantages

Advantages

  • Effective protection against voltage surges
  • Fast response time
  • Wide operating temperature range

Disadvantages

  • Limited breakdown voltage compared to higher-rated TVS diodes
  • Higher clamping voltage than some specialized TVS diodes

Working Principles

When a transient voltage spike occurs, the SMLJ78CA diode rapidly conducts, diverting the excess energy away from the protected circuit. This action limits the voltage across the circuit, preventing damage to sensitive components.

Detailed Application Field Plans

The SMLJ78CA diode finds extensive use in various applications, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Several alternative TVS diodes can be considered as substitutes for the SMLJ78CA, including: - P6KE68CA - 1.5KE75CA - SMAJ78CA - SMBJ78CA

In conclusion, the SMLJ78CA diode serves as a critical component in protecting electronic circuits from voltage transients. Its fast response time, high surge capability, and compact package make it a valuable asset in diverse applications.

Word count: 410

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi SMLJ78CA dalam penyelesaian teknikal

Sure, here are 10 common questions and answers related to the application of SMLJ78CA in technical solutions:

  1. What is SMLJ78CA?

    • SMLJ78CA is a transient voltage suppressor diode designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.

  2. What is the maximum peak pulse power of SMLJ78CA?

    • The maximum peak pulse power of SMLJ78CA is 3000 watts for an 8/20µs waveform.

  3. What is the breakdown voltage of SMLJ78CA?

    • The breakdown voltage of SMLJ78CA is 78 volts.

  4. What are the typical applications of SMLJ78CA?

    • SMLJ78CA is commonly used in surge protection for telecommunications equipment, industrial controls, consumer electronics, and automotive electronics.

  5. What is the operating temperature range of SMLJ78CA?

    • The operating temperature range of SMLJ78CA is -55°C to +150°C.

  6. What is the clamping voltage of SMLJ78CA?

    • The clamping voltage of SMLJ78CA at its peak pulse current is typically 100 volts.

  7. How does SMLJ78CA provide protection against transient voltage events?

    • SMLJ78CA diverts excessive current away from sensitive components by providing a low-impedance path to ground, thus limiting the voltage across the protected device.

  8. Can SMLJ78CA be used in high-speed data line protection applications?

    • Yes, SMLJ78CA can be used in high-speed data line protection applications due to its fast response time and low capacitance.

  9. What is the packaging of SMLJ78CA?

    • SMLJ78CA is available in a DO-214AB (SMC) package, which is suitable for surface mount applications.

  10. Is SMLJ78CA compliant with industry standards for surge protection devices?

    • Yes, SMLJ78CA is compliant with industry standards such as IEC 61000-4-5 for surge protection devices.

I hope these questions and answers are helpful for your technical solutions involving SMLJ78CA. Let me know if you need further assistance!