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SMDJ70A-HR
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SMDJ70A-HR

Product Overview

Category

The SMDJ70A-HR belongs to the category of 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 SMDJ70A-HR is available in a surface mount package.

Essence

The essence of the SMDJ70A-HR lies in its ability to divert excessive current away from sensitive components, thereby safeguarding them from damage.

Packaging/Quantity

The SMDJ70A-HR is typically packaged in reels or trays and is available in varying quantities depending on the manufacturer.

Specifications

  • Peak Pulse Power: 3000W
  • Breakdown Voltage: 77.8V
  • Maximum Clamping Voltage: 124V
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMDJ70A-HR typically has two pins for surface mount installation. The pin configuration may vary slightly based on the manufacturer's specifications.

Functional Features

  • Provides protection against voltage surges
  • Fast response to transient events
  • Low leakage current

Advantages

  • High surge current capability
  • Low clamping voltage
  • Wide operating temperature range

Disadvantages

  • May require additional circuitry for comprehensive surge protection
  • Sensitive to reverse bias conditions

Working Principles

The SMDJ70A-HR operates by shunting excessive current away from the protected circuit when a transient event occurs. It achieves this through the rapid conduction of excess current to ground, thereby limiting the voltage across the protected component.

Detailed Application Field Plans

The SMDJ70A-HR finds application in various industries including telecommunications, automotive electronics, industrial equipment, and consumer electronics. It is commonly used to protect integrated circuits, data lines, and power supplies from voltage transients.

Detailed and Complete Alternative Models

  • SMDJ5.0A-HR: Lower breakdown voltage variant
  • SMDJ100A-HR: Higher breakdown voltage variant
  • SMDJ70CA-HR: Unidirectional variant with similar characteristics

In conclusion, the SMDJ70A-HR transient voltage suppressor diode offers robust protection against voltage transients and finds widespread use in diverse electronic applications.

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技術ソリューションにおける SMDJ70A-HR 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 peak pulse power of SMDJ70A-HR?

    • The maximum peak pulse power of SMDJ70A-HR is 3000 watts for a 10/1000μs waveform.

  2. What is the breakdown voltage of SMDJ70A-HR?

    • The breakdown voltage of SMDJ70A-HR is 77.8V to 86.2V.

  3. What is the typical clamping voltage of SMDJ70A-HR?

    • The typical clamping voltage of SMDJ70A-HR is 112V at 10A.

  4. What are the applications of SMDJ70A-HR?

    • SMDJ70A-HR is commonly used in surge protection for sensitive electronics, such as telecommunications equipment, industrial control systems, and automotive electronics.

  5. What is the operating temperature range of SMDJ70A-HR?

    • The operating temperature range of SMDJ70A-HR is -55°C to +150°C.

  6. What is the package type of SMDJ70A-HR?

    • SMDJ70A-HR is available in a DO-214AB (SMC) package.

  7. What is the reverse stand-off voltage of SMDJ70A-HR?

    • The reverse stand-off voltage of SMDJ70A-HR is 70V.

  8. Does SMDJ70A-HR meet RoHS requirements?

    • Yes, SMDJ70A-HR is compliant with RoHS requirements.

  9. What is the lead-free status of SMDJ70A-HR?

    • SMDJ70A-HR is lead-free and meets the requirements of lead-free soldering.

  10. Is SMDJ70A-HR suitable for high-reliability applications?

    • Yes, SMDJ70A-HR is designed for high-reliability applications and has been tested to ensure its performance in demanding environments.