Littelfuse Inc.
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SZ1SMA70AT3G
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SZ1SMA70AT3G

Product Overview

Category: Semiconductor
Use: Voltage Suppression
Characteristics: High surge capability, low clamping voltage
Package: SMA
Essence: Protects electronic circuits from voltage spikes
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage: 70V
  • Clamping Voltage: 114V
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SZ1SMA70AT3G is a unidirectional TVS (transient voltage suppressor) diode with two pins. The cathode is connected to the ground, while the anode is connected to the input or signal line that needs protection.

Functional Features

  • Provides transient voltage suppression for sensitive electronics
  • Fast response time to protect against voltage spikes
  • Low clamping voltage ensures minimal impact on protected circuits

Advantages and Disadvantages

Advantages: - High surge capability - Low clamping voltage - Fast response time

Disadvantages: - Limited breakdown voltage compared to some alternatives - Sensitive to reverse polarity connection

Working Principles

When a voltage spike occurs, the SZ1SMA70AT3G conducts current to divert the excess energy away from the protected circuit. This prevents damage to the sensitive components by limiting the voltage across them.

Detailed Application Field Plans

The SZ1SMA70AT3G is commonly used in various electronic devices and systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • Alternative Model 1: SZ1SMA64AT3G
    • Breakdown Voltage: 64V
    • Clamping Voltage: 103V
  • Alternative Model 2: SZ1SMA78AT3G
    • Breakdown Voltage: 78V
    • Clamping Voltage: 126V
  • Alternative Model 3: SZ1SMA85AT3G
    • Breakdown Voltage: 85V
    • Clamping Voltage: 137V

In conclusion, the SZ1SMA70AT3G is a reliable voltage suppression component with high surge capability and low clamping voltage, making it suitable for protecting sensitive electronic circuits from voltage spikes in various applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SZ1SMA70AT3G v technických řešeních

  1. What is SZ1SMA70AT3G?

    • SZ1SMA70AT3G is a surface mount, silicon zener diode designed to protect sensitive electronics from voltage transients.

  2. What is the maximum power dissipation of SZ1SMA70AT3G?

    • The maximum power dissipation of SZ1SMA70AT3G is 1.5 watts.

  3. What is the breakdown voltage of SZ1SMA70AT3G?

    • The breakdown voltage of SZ1SMA70AT3G is 70 volts.

  4. What are the typical applications of SZ1SMA70AT3G?

    • SZ1SMA70AT3G is commonly used in voltage clamping and surge suppression applications in electronic circuits.

  5. What is the operating temperature range of SZ1SMA70AT3G?

    • The operating temperature range of SZ1SMA70AT3G is -55°C to +150°C.

  6. What is the package type of SZ1SMA70AT3G?

    • SZ1SMA70AT3G comes in a DO-214AC (SMA) package.

  7. What is the reverse stand-off voltage of SZ1SMA70AT3G?

    • The reverse stand-off voltage of SZ1SMA70AT3G is 64.4 volts.

  8. What are the key features of SZ1SMA70AT3G?

    • SZ1SMA70AT3G features a low profile package, high reliability, and low leakage current.

  9. What are the potential alternatives to SZ1SMA70AT3G?

    • Alternatives to SZ1SMA70AT3G include other zener diodes with similar voltage ratings and package types.

  10. How should SZ1SMA70AT3G be mounted on a PCB?

    • SZ1SMA70AT3G should be mounted using appropriate soldering techniques and following the manufacturer's recommended footprint and layout guidelines.