Vishay Semiconductor Diodes Division
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1.5SMC43CAHE3/9AT
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1.5SMC43CAHE3/9AT

Product Overview

Category

The 1.5SMC43CAHE3/9AT belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for surge protection in electronic circuits, providing a high level of protection against transient voltage events.

Characteristics

  • High surge capability
  • Low clamping voltage
  • Fast response time
  • RoHS compliant

Package

The 1.5SMC43CAHE3/9AT is available in a DO-214AB (SMC) package.

Essence

This TVS diode is essential for safeguarding sensitive electronic components from voltage transients and surges.

Packaging/Quantity

The 1.5SMC43CAHE3/9AT is typically packaged in reels with quantities varying based on customer requirements.

Specifications

  • Standoff Voltage: 36.8V
  • Breakdown Voltage: 40.9V
  • Maximum Clamping Voltage: 58.9V
  • Peak Pulse Current: 66.7A
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The 1.5SMC43CAHE3/9AT has two pins, anode, and cathode, which are denoted by the markings on the device.

Functional Features

  • Provides protection against voltage transients and surges
  • Fast response time ensures minimal impact on the protected circuit
  • Low clamping voltage prevents damage to sensitive components

Advantages and Disadvantages

Advantages

  • High surge capability
  • Fast response time
  • RoHS compliant

Disadvantages

  • May require additional circuitry for comprehensive surge protection in complex systems

Working Principles

When a transient voltage event occurs, the 1.5SMC43CAHE3/9AT conducts current to divert the excess energy away from the protected circuit, thereby limiting the voltage across it.

Detailed Application Field Plans

The 1.5SMC43CAHE3/9AT is widely used in various applications including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the 1.5SMC43CAHE3/9AT include: - P6SMB36CA - SMBJ36CA - SMCJ36A

In conclusion, the 1.5SMC43CAHE3/9AT TVS diode offers robust surge protection for a wide range of electronic applications, ensuring the integrity and reliability of sensitive circuits.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1.5SMC43CAHE3/9AT v technických řešeních

  1. What is the application of 1.5SMC43CAHE3/9AT in technical solutions?

    • The 1.5SMC43CAHE3/9AT is commonly used as a transient voltage suppressor diode to protect sensitive electronic components from voltage spikes and surges.

  2. How does 1.5SMC43CAHE3/9AT protect electronic circuits?

    • This diode clamps the voltage across the circuit it's protecting, diverting excess current away from sensitive components and preventing damage due to overvoltage events.

  3. In what types of systems is 1.5SMC43CAHE3/9AT typically employed?

    • It is widely used in power supplies, communication equipment, automotive electronics, and industrial control systems to safeguard against transient voltage disturbances.

  4. What are the key specifications of 1.5SMC43CAHE3/9AT that make it suitable for technical solutions?

    • Its high surge capability, low clamping voltage, and fast response time make it an effective choice for transient voltage protection in various applications.

  5. Can 1.5SMC43CAHE3/9AT be used in combination with other protective devices?

    • Yes, it can be integrated into a comprehensive protection scheme alongside other components such as fuses, varistors, and gas discharge tubes to provide multi-level protection.

  6. What are the temperature considerations for using 1.5SMC43CAHE3/9AT in technical solutions?

    • It has a wide operating temperature range, making it suitable for use in environments with varying temperature conditions.

  7. Is 1.5SMC43CAHE3/9AT RoHS compliant?

    • Yes, it is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring its environmental friendliness.

  8. Are there any specific layout or mounting requirements for 1.5SMC43CAHE3/9AT?

    • It is recommended to follow the manufacturer's guidelines for PCB layout and proper mounting to optimize its performance and reliability.

  9. What are the failure modes of 1.5SMC43CAHE3/9AT?

    • Common failure modes include degradation due to prolonged exposure to high currents or repeated transient events, as well as physical damage from improper handling or installation.

  10. Can 1.5SMC43CAHE3/9AT be used in high-frequency applications?

    • While it can provide protection in high-frequency circuits, it's important to consider its capacitance and impedance characteristics to ensure minimal impact on signal integrity.