Vishay Semiconductor Diodes Division
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SMAJ51HE3/61
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SMAJ51HE3/61

Product Overview

Category

SMAJ51HE3/61 belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for protecting 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 SMAJ51HE3/61 is typically available in a DO-214AC (SMA) package.

Essence

The essence of SMAJ51HE3/61 lies in its ability to provide reliable overvoltage protection for electronic circuits.

Packaging/Quantity

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

Specifications

  • Standoff Voltage: 51V
  • Breakdown Voltage: 56.7V
  • Maximum Clamping Voltage: 82.4V
  • Peak Pulse Current: 10A
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMAJ51HE3/61 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 and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Compact size

Disadvantages

  • Limited power dissipation capability
  • May require additional circuitry for comprehensive protection

Working Principles

When a transient voltage surge occurs, the SMAJ51HE3/61 conducts and clamps the voltage to a safe level, diverting the excess energy away from the protected circuit.

Detailed Application Field Plans

SMAJ51HE3/61 is widely used in various applications including: - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to SMAJ51HE3/61 include: - P6KE51CA - 1.5SMC51CA - SMBJ51CA

In conclusion, SMAJ51HE3/61 is a crucial component in safeguarding electronic devices from voltage transients, offering fast response and reliable protection. Its compact size and bi-directional clamping capability make it suitable for a wide range of applications across different industries.

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技術ソリューションにおける SMAJ51HE3/61 の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the maximum reverse voltage of SMAJ51HE3/61?

    • The maximum reverse voltage of SMAJ51HE3/61 is 51V.

  2. What is the peak pulse power of SMAJ51HE3/61?

    • The peak pulse power of SMAJ51HE3/61 is 400W.

  3. What is the breakdown voltage of SMAJ51HE3/61?

    • The breakdown voltage of SMAJ51HE3/61 is typically 56.7V.

  4. What is the forward voltage drop of SMAJ51HE3/61 at a specified current?

    • The forward voltage drop of SMAJ51HE3/61 is typically 0.715V at 3A.

  5. What are the typical applications for SMAJ51HE3/61?

    • SMAJ51HE3/61 is commonly used in surge protection for sensitive electronics, such as in telecommunications equipment, industrial control systems, and power supplies.

  6. What is the response time of SMAJ51HE3/61 to a surge event?

    • The response time of SMAJ51HE3/61 to a surge event is very fast, typically in the nanosecond range.

  7. Is SMAJ51HE3/61 RoHS compliant?

    • Yes, SMAJ51HE3/61 is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  8. What is the operating temperature range of SMAJ51HE3/61?

    • The operating temperature range of SMAJ51HE3/61 is typically -55°C to +150°C.

  9. Does SMAJ51HE3/61 require any external components for proper operation?

    • SMAJ51HE3/61 does not require any external components for basic surge protection functionality, but additional circuitry may be needed for specific applications.

  10. What is the packaging type available for SMAJ51HE3/61?

    • SMAJ51HE3/61 is available in various packaging types, including DO-214AC (SMA) and DO-214AB (SMC).