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SMAJ75
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SMAJ75 Product Overview

Introduction

The SMAJ75 belongs to the category of transient voltage suppressor (TVS) diodes, which are widely used in electronic circuits to protect sensitive components from voltage spikes and transients. This entry provides a comprehensive overview of the SMAJ75, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Transient Voltage Suppressor (TVS) Diode
  • Use: Protection against voltage spikes and transients in electronic circuits
  • Characteristics: Fast response time, low clamping voltage, high surge current capability
  • Package: SMA (DO-214AC)
  • Essence: Protecting sensitive electronic components
  • Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

  • Part Number: SMAJ75
  • Peak Pulse Power: 400W
  • Breakdown Voltage: 75V
  • Operating Voltage: 64.1V
  • Maximum Clamping Voltage: 103V
  • Peak Pulse Current: 10.5A
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ75 TVS diode 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

  • Transient Voltage Suppression: Provides protection by diverting excessive current away from sensitive components during voltage spikes.
  • Fast Response Time: Reacts quickly to transient events, minimizing the risk of damage to downstream components.
  • Low Clamping Voltage: Limits the voltage across the protected circuit to a safe level.

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Limited peak pulse power handling compared to larger TVS diodes
  • Higher clamping voltage compared to some specialized TVS diodes

Working Principles

The SMAJ75 TVS diode works by utilizing a p-n junction to conduct excess current away from sensitive components when a voltage transient occurs. When the voltage exceeds the breakdown voltage of the diode, it begins to conduct, effectively shunting the excess current to protect the circuit.

Detailed Application Field Plans

The SMAJ75 is commonly used in various electronic applications, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative TVS diode models that can be considered as alternatives to the SMAJ75 include: - P6KE75CA - 1.5KE75A - SMCJ75A

In conclusion, the SMAJ75 TVS diode offers effective transient voltage suppression and finds widespread use in diverse electronic applications due to its compact size and reliable performance.

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技術ソリューションにおける SMAJ75 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 SMAJ75?

    • SMAJ75 is a type of TVS (transient voltage suppressor) diode that is designed to protect electronic circuits from voltage spikes and transients.

  2. What is the maximum peak pulse power of SMAJ75?

    • The maximum peak pulse power of SMAJ75 is 400 watts.

  3. What is the breakdown voltage of SMAJ75?

    • The breakdown voltage of SMAJ75 is 75 volts.

  4. What are the typical applications of SMAJ75?

    • SMAJ75 is commonly used in applications such as power supplies, telecommunications equipment, automotive electronics, and industrial control systems to protect sensitive components from voltage surges.

  5. What is the response time of SMAJ75?

    • The response time of SMAJ75 is very fast, typically in the nanosecond range, which allows it to quickly clamp transient voltages to safe levels.

  6. How does SMAJ75 provide protection to electronic circuits?

    • SMAJ75 diverts excessive current away from sensitive components by providing a low-impedance path to ground during voltage spikes and transients.

  7. Can SMAJ75 be used for overvoltage protection in data communication systems?

    • Yes, SMAJ75 is suitable for protecting data communication systems from overvoltage events caused by lightning strikes or ESD (electrostatic discharge).

  8. What is the operating temperature range of SMAJ75?

    • The operating temperature range of SMAJ75 is typically -55°C to +150°C, making it suitable for a wide range of environments.

  9. Is SMAJ75 RoHS compliant?

    • Yes, SMAJ75 is RoHS compliant, meaning it meets the requirements of the Restriction of Hazardous Substances directive.

  10. Can multiple SMAJ75 diodes be connected in series or parallel for higher voltage or current handling?

    • Yes, multiple SMAJ75 diodes can be connected in series to increase the breakdown voltage or in parallel to increase the current handling capability, but proper consideration of the application and circuit design is necessary.