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SMAJ85CA
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SMAJ85CA

Product Overview

SMAJ85CA is a transient voltage suppressor diode belonging to the category of electronic components used for surge protection. It is commonly utilized to protect sensitive electronic devices from voltage spikes and transients. The characteristics of SMAJ85CA include its high surge capability, low clamping voltage, and fast response time. This product is typically available in a package with a small form factor, making it suitable for various applications. The essence of SMAJ85CA lies in its ability to divert excessive voltage away from sensitive circuits, thereby safeguarding them from damage. It is commonly sold in reels or trays, with quantities varying based on the manufacturer's specifications.

Specifications

  • Breakdown Voltage: 85V
  • Peak Pulse Power: 400W
  • Operating Temperature Range: -55°C to +150°C
  • Package Type: DO-214AC (SMA)

Detailed Pin Configuration

The SMAJ85CA diode features a standard DO-214AC (SMA) package with two pins. Pin 1 is the anode, while pin 2 serves as the cathode.

Functional Features

SMAJ85CA operates by quickly diverting excess voltage away from the protected circuit when a transient event occurs. Its fast response time ensures that the voltage spike is clamped at a safe level, preventing damage to downstream components.

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Limited to specific voltage ratings
  • May require additional circuitry for comprehensive surge protection

Working Principles

When the voltage across the SMAJ85CA exceeds its breakdown voltage, the diode begins to conduct, providing a low-impedance path for the excess current. This effectively limits the voltage across the protected circuit to a safe level.

Detailed Application Field Plans

SMAJ85CA finds extensive use in various applications, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to SMAJ85CA include: - P6KE85CA - 1.5KE85CA - SA85CA - BZW04-85

In conclusion, SMAJ85CA is a crucial component in surge protection applications, offering reliable and efficient voltage clamping. Its compact package and robust performance make it a popular choice for safeguarding sensitive electronic circuits.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMAJ85CA en soluciones técnicas

  1. What is SMAJ85CA?

    • SMAJ85CA is a type of transient voltage suppressor diode used to protect electronic circuits from overvoltage transients.

  2. What is the maximum peak pulse power dissipation of SMAJ85CA?

    • The maximum peak pulse power dissipation of SMAJ85CA is 400 watts.

  3. What is the breakdown voltage of SMAJ85CA?

    • The breakdown voltage of SMAJ85CA is 85 volts.

  4. What are the typical applications of SMAJ85CA?

    • SMAJ85CA is commonly used in applications such as protection of sensitive electronic equipment, telecommunications equipment, and automotive electronics.

  5. What is the clamping voltage of SMAJ85CA?

    • The clamping voltage of SMAJ85CA is typically around 137 volts at 10A.

  6. What is the operating temperature range of SMAJ85CA?

    • The operating temperature range of SMAJ85CA is usually between -55°C to +150°C.

  7. How does SMAJ85CA provide overvoltage protection?

    • SMAJ85CA diverts excessive current away from sensitive components by providing a low-impedance path to ground during overvoltage events.

  8. What is the response time of SMAJ85CA?

    • The response time of SMAJ85CA is very fast, typically responding within nanoseconds to clamp the overvoltage.

  9. Can SMAJ85CA be used for ESD protection?

    • Yes, SMAJ85CA can be used for electrostatic discharge (ESD) protection in various electronic devices and systems.

  10. Are there any precautions to consider when using SMAJ85CA?

    • It's important to ensure proper mounting and heat sinking to maximize the effectiveness of SMAJ85CA, and to follow manufacturer guidelines for usage and handling.