Littelfuse Inc.
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1SMB7.0AT3G
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1SMB7.0AT3G

Product Overview

The 1SMB7.0AT3G belongs to the category of surface mount silicon zener diodes. These diodes are commonly used for voltage regulation and transient suppression in various electronic circuits. The 1SMB7.0AT3G is known for its high reliability, low leakage current, and excellent surge capability. It is available in a compact SMB package and is typically supplied in tape and reel packaging.

Specifications

  • Voltage: 7.0V
  • Power Dissipation: 3W
  • Package Type: SMB
  • Packaging: Tape and Reel
  • Quantity per Reel: 3000 units

Detailed Pin Configuration

The 1SMB7.0AT3G features a standard SMB package with two pins. Pin 1 is the anode, and pin 2 is the cathode.

Functional Features

  • Voltage Regulation: The diode maintains a stable voltage of 7.0V, making it suitable for voltage regulation applications.
  • Transient Suppression: It effectively suppresses transient overvoltage events, protecting sensitive components in the circuit.

Advantages and Disadvantages

Advantages

  • High reliability
  • Low leakage current
  • Excellent surge capability

Disadvantages

  • Limited voltage options available
  • Sensitive to temperature variations

Working Principles

The 1SMB7.0AT3G operates based on the principle of zener breakdown, where it allows current to flow in reverse bias once the voltage across it reaches the specified zener voltage. This characteristic makes it useful for voltage regulation and transient suppression.

Detailed Application Field Plans

The 1SMB7.0AT3G is commonly used in various electronic circuits such as: - Voltage regulators - Power supplies - Overvoltage protection circuits

Detailed and Complete Alternative Models

Some alternative models to the 1SMB7.0AT3G include: - 1N4728A - BZX55C7V5 - P6SMB7.0A

In conclusion, the 1SMB7.0AT3G is a reliable surface mount silicon zener diode with a stable voltage of 7.0V, making it suitable for voltage regulation and transient suppression in electronic circuits.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1SMB7.0AT3G en soluciones técnicas

  1. What is 1SMB7.0AT3G?

    • 1SMB7.0AT3G is a surface mount, unidirectional TVS (transient voltage suppressor) diode designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

  2. What are the key features of 1SMB7.0AT3G?

    • The key features include a peak power dissipation of 600W, low clamping voltage, fast response time, and compatibility with automated placement equipment.

  3. In what applications can 1SMB7.0AT3G be used?

    • It can be used in various applications such as telecommunications equipment, consumer electronics, industrial control systems, and automotive electronics.

  4. How does 1SMB7.0AT3G protect electronic circuits?

    • 1SMB7.0AT3G diverts excessive current away from sensitive components, limiting the voltage across them and protecting them from damage during transient voltage events.

  5. What is the operating temperature range of 1SMB7.0AT3G?

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

  6. What is the recommended layout for 1SMB7.0AT3G in a PCB design?

    • It is recommended to place the diode as close as possible to the protected circuit, with short, direct traces to minimize inductance and maximize its effectiveness.

  7. Can 1SMB7.0AT3G be used for surge protection in power supply units?

    • Yes, it is commonly used for surge protection in power supply units to safeguard against voltage spikes and surges.

  8. Does 1SMB7.0AT3G require any external components for proper operation?

    • No, it does not require any external components and can be used standalone for transient voltage suppression.

  9. What certifications does 1SMB7.0AT3G comply with?

    • It complies with RoHS and REACH directives, ensuring environmental and safety standards are met.

  10. Are there any application notes or design guidelines available for using 1SMB7.0AT3G in technical solutions?

    • Yes, detailed application notes and design guidelines are provided by the manufacturer to assist in the proper implementation of 1SMB7.0AT3G in technical solutions.