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SMCJ70A-TR
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SMCJ70A-TR

Product Overview

Category

The SMCJ70A-TR belongs to the category of semiconductor devices, specifically transient voltage suppressor diodes.

Use

It is used to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

Characteristics

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

Package

The SMCJ70A-TR is typically available in a DO-214AB (SMC) package.

Essence

The essence of the SMCJ70A-TR lies in its ability to divert excessive current away from sensitive components, thereby safeguarding them from damage.

Packaging/Quantity

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

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 77.4V
  • Maximum Clamping Voltage: 124V
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMCJ70A-TR 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 clamping capability
  • Low leakage current
  • High reliability

Advantages

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

Disadvantages

  • Limited surge current handling capacity compared to some alternative models
  • Relatively higher clamping voltage under certain conditions

Working Principles

When a voltage transient occurs, the SMCJ70A-TR conducts current to limit the voltage across the protected circuit. It acts as a shunt to divert excess energy away from sensitive components.

Detailed Application Field Plans

The SMCJ70A-TR is widely used in various applications including: - Telecommunications equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMCJ70A-TR include: - P6KE68CA - 1.5KE75CA - SMBJ70A

In conclusion, the SMCJ70A-TR is a crucial component in protecting electronic circuits from voltage transients, offering fast response times and low clamping voltages. While it has certain limitations, its functional features and wide application field make it a valuable asset in electronic design and manufacturing.

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Καταγράψτε 10 συνήθεις ερωτήσεις και απαντήσεις που σχετίζονται με την εφαρμογή του SMCJ70A-TR σε τεχνικές λύσεις

  1. What is the maximum peak pulse current for SMCJ70A-TR?

    • The maximum peak pulse current for SMCJ70A-TR is 300A.

  2. What is the breakdown voltage of SMCJ70A-TR?

    • The breakdown voltage of SMCJ70A-TR is 77.8V.

  3. Can SMCJ70A-TR be used for overvoltage protection in power supplies?

    • Yes, SMCJ70A-TR is commonly used for overvoltage protection in power supplies due to its high surge capability.

  4. What is the typical clamping voltage of SMCJ70A-TR?

    • The typical clamping voltage of SMCJ70A-TR is 112V at 10A.

  5. Is SMCJ70A-TR suitable for transient voltage suppression in automotive electronics?

    • Yes, SMCJ70A-TR is suitable for transient voltage suppression in automotive electronics due to its robustness and reliability.

  6. What is the response time of SMCJ70A-TR during a transient event?

    • The response time of SMCJ70A-TR is typically less than 1 nanosecond.

  7. Can SMCJ70A-TR be used for ESD protection in communication equipment?

    • Yes, SMCJ70A-TR is commonly used for ESD protection in communication equipment due to its fast response and low clamping voltage.

  8. What is the operating temperature range of SMCJ70A-TR?

    • The operating temperature range of SMCJ70A-TR is -55°C to 150°C.

  9. Does SMCJ70A-TR meet industry standards for surge protection devices?

    • Yes, SMCJ70A-TR meets industry standards such as IEC 61000-4-5 for surge protection devices.

  10. Can SMCJ70A-TR be used in high-speed data lines for surge suppression?

    • Yes, SMCJ70A-TR is suitable for use in high-speed data lines for surge suppression due to its low capacitance and high surge capability.