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SMAJ7.5
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SMAJ7.5 Diode: Product Overview and Specifications

Introduction

The SMAJ7.5 diode is a crucial component in electronic circuits, belonging to the category of transient voltage suppressor (TVS) diodes. This diode is widely used for protecting sensitive electronic devices from voltage spikes and surges. In this entry, we will provide an overview of the SMAJ7.5 diode, 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: Protecting electronic circuits from voltage spikes and surges
  • Characteristics: Fast response time, low clamping voltage, high surge capability
  • Package: SMA (DO-214AC)
  • Essence: Semiconductor device for voltage suppression
  • Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

  • Part Number: SMAJ7.5
  • Peak Pulse Power: 400W
  • Breakdown Voltage: 7.5V
  • Operating Voltage: 6.4V
  • Maximum Reverse Leakage Current: 1μA
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ7.5 diode has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Voltage Suppression: Rapidly clamps excessive voltage to protect downstream components.
  • Fast Response Time: Reacts quickly to voltage transients, safeguarding sensitive electronics.
  • Low Clamping Voltage: Limits the voltage across the protected circuit during transient events.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage spikes
  • Fast response time
  • Compact package size

Disadvantages

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

Working Principles

The SMAJ7.5 diode operates by diverting excess voltage away from sensitive components when a transient event occurs. When the voltage exceeds the breakdown voltage, the diode conducts, providing a low-impedance path for the excess current to flow through, thus protecting the circuit.

Detailed Application Field Plans

The SMAJ7.5 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

Some alternative TVS diode models similar to SMAJ7.5 include: - P6SMB7.5A - SMBJ7.5CA - 1.5KE7.5A

In conclusion, the SMAJ7.5 diode is a vital component in protecting electronic circuits from voltage transients. Its fast response time, low clamping voltage, and high surge capability make it an essential part of many electronic systems.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMAJ7.5 v technických řešeních

  1. What is SMAJ7.5?

    • SMAJ7.5 is a type of surface mount transient voltage suppressor diode used to protect electronic circuits from overvoltage transients.

  2. What is the maximum peak pulse power dissipation for SMAJ7.5?

    • The maximum peak pulse power dissipation for SMAJ7.5 is 400 watts.

  3. What is the breakdown voltage of SMAJ7.5?

    • The breakdown voltage of SMAJ7.5 is 7.5 volts.

  4. How does SMAJ7.5 protect electronic circuits?

    • SMAJ7.5 suppresses voltage transients by diverting excess current away from sensitive components, thereby protecting them from damage.

  5. What are the typical applications of SMAJ7.5?

    • SMAJ7.5 is commonly used in telecommunications equipment, industrial electronics, and automotive systems to protect against voltage surges.

  6. What is the operating temperature range for SMAJ7.5?

    • The operating temperature range for SMAJ7.5 is typically -55°C to +150°C.

  7. What is the response time of SMAJ7.5 during a transient event?

    • The response time of SMAJ7.5 is very fast, typically in the nanosecond range.

  8. Can SMAJ7.5 be used for both unidirectional and bidirectional protection?

    • Yes, SMAJ7.5 is available in both unidirectional and bidirectional configurations for versatile circuit protection.

  9. What is the package type for SMAJ7.5?

    • SMAJ7.5 is typically available in a DO-214AC (SMA) package.

  10. Are there any special considerations for PCB layout when using SMAJ7.5?

    • It's important to ensure proper trace routing and sufficient clearance around the SMAJ7.5 to maximize its effectiveness in protecting the circuit.