Vishay Semiconductor Diodes Division
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SMCJ85CAHE3/9AT
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SMCJ85CAHE3/9AT

Product Overview

The SMCJ85CAHE3/9AT belongs to the category of transient voltage suppressor diodes. These diodes are used to protect sensitive electronic components from voltage spikes and transients. The SMCJ85CAHE3/9AT is characterized by its high surge capability, low clamping voltage, and fast response time. It is typically packaged in a surface-mount package and is available in various packaging quantities.

Specifications

  • Part Number: SMCJ85CAHE3/9AT
  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage spikes and transients
  • Characteristics: High surge capability, low clamping voltage, fast response time
  • Package: Surface-mount
  • Packaging/Quantity: Various options available

Detailed Pin Configuration

The SMCJ85CAHE3/9AT typically features a standard surface-mount diode package with two leads. The pin configuration includes anode and cathode terminals for easy integration into circuit designs.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
  • Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the protected circuitry.
  • High Surge Capability: Capable of withstanding high surge currents without degradation.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • High surge capability

Disadvantages

  • May exhibit some leakage current in normal operating conditions
  • Requires careful consideration of placement and layout for optimal performance

Working Principles

The SMCJ85CAHE3/9AT operates based on the principle of avalanche breakdown. When a voltage spike occurs, the diode rapidly conducts, diverting excess current away from sensitive components and limiting the voltage across the circuit.

Detailed Application Field Plans

The SMCJ85CAHE3/9AT is commonly used in various applications including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • SMCJ5.0A: Lower voltage rating alternative
  • SMCJ150CA: Higher voltage rating alternative
  • 1.5KE82CA: Axial lead package alternative

In conclusion, the SMCJ85CAHE3/9AT transient voltage suppressor diode offers effective protection against voltage spikes and transients, making it a crucial component in various electronic systems. Its fast response time and high surge capability make it suitable for a wide range of applications, although careful consideration of its characteristics and alternatives is necessary for optimal design and performance.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMCJ85CAHE3/9AT en soluciones técnicas

  1. What is the SMCJ85CAHE3/9AT used for?

    • The SMCJ85CAHE3/9AT is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum peak pulse current of the SMCJ85CAHE3/9AT?

    • The maximum peak pulse current for the SMCJ85CAHE3/9AT is typically 300A.

  3. What is the breakdown voltage of the SMCJ85CAHE3/9AT?

    • The breakdown voltage of the SMCJ85CAHE3/9AT is 85V.

  4. How does the SMCJ85CAHE3/9AT protect electronic circuits?

    • The SMCJ85CAHE3/9AT clamps the voltage during transient events, diverting excess current away from sensitive components and preventing damage.

  5. What are the typical applications for the SMCJ85CAHE3/9AT?

    • The SMCJ85CAHE3/9AT is commonly used in telecommunications equipment, industrial automation, power supplies, and automotive electronics.

  6. What is the response time of the SMCJ85CAHE3/9AT?

    • The response time of the SMCJ85CAHE3/9AT is very fast, typically in the nanosecond range.

  7. Is the SMCJ85CAHE3/9AT suitable for high-speed data lines?

    • Yes, the SMCJ85CAHE3/9AT is suitable for protecting high-speed data lines such as USB, Ethernet, and HDMI interfaces.

  8. Does the SMCJ85CAHE3/9AT require any external components for proper operation?

    • No, the SMCJ85CAHE3/9AT can be used standalone for transient voltage suppression.

  9. Can the SMCJ85CAHE3/9AT handle multiple transient events?

    • Yes, the SMCJ85CAHE3/9AT is designed to withstand multiple transient events without degradation.

  10. What is the operating temperature range of the SMCJ85CAHE3/9AT?

    • The SMCJ85CAHE3/9AT typically operates within a temperature range of -55°C to 150°C.