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SMAJ85
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SMAJ85 - Product Overview

Introduction

SMAJ85 is a diode belonging to the category of transient voltage suppressor (TVS) diodes. These diodes are widely used for protecting sensitive electronic components from voltage spikes and transients. The SMAJ85 diode offers unique characteristics and features that make it suitable for various applications.

Basic Information Overview

  • Category: Transient Voltage Suppressor (TVS) Diode
  • Use: Protection against voltage spikes and transients
  • Characteristics: Fast response time, low clamping voltage, high surge capability
  • Package: SMA (DO-214AC)
  • Essence: Protecting electronic circuits from voltage surges
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

  • Voltage - Reverse Standoff (Typ): 85V
  • Voltage - Breakdown (Min): 94.4V
  • Voltage - Clamping (Max) @ Ipp: 137V
  • Current - Peak Pulse (10/1000µs): 19.2A
  • Power - Peak Pulse: 400W
  • Type: Zener

Detailed Pin Configuration

The SMAJ85 diode typically has two pins, anode, and cathode. The anode is connected to the positive side of the circuit, while the cathode is connected to the ground or negative side.

Functional Features

  • Transient Voltage Suppression: Provides protection against voltage spikes and transients.
  • Fast Response Time: Quickly responds to voltage surges, minimizing damage to the circuit.
  • Low Clamping Voltage: Limits the voltage across the protected circuit during a transient event.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage spikes
  • Fast response time
  • Compact size

Disadvantages

  • Limited power dissipation capability
  • May require additional circuitry for comprehensive protection

Working Principles

The SMAJ85 diode works by diverting excess current away from the protected circuit when a voltage spike occurs. It achieves this by rapidly conducting when the voltage exceeds its breakdown voltage, thereby limiting the voltage across the circuit.

Detailed Application Field Plans

The SMAJ85 diode finds application in various fields, including: - Telecommunications: Protecting communication equipment from lightning-induced surges. - Automotive Electronics: Safeguarding automotive electronics from voltage transients. - Industrial Control Systems: Ensuring the reliability of control systems in industrial environments.

Detailed and Complete Alternative Models

  • 1. P6KE85CA: Similar TVS diode with comparable specifications.
  • 2. 1.5KE85A: Offers alternative transient voltage suppression with higher power dissipation capability.

In conclusion, the SMAJ85 diode serves as a crucial component in protecting electronic circuits from voltage spikes and transients. Its fast response time, low clamping voltage, and compact package make it a preferred choice for various applications.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van SMAJ85 in technische oplossingen

  1. What is SMAJ85?

    • SMAJ85 is a type of TVS (transient voltage suppressor) diode, designed to protect electronic circuits from voltage spikes and transient surges.

  2. What is the maximum peak pulse power of SMAJ85?

    • The maximum peak pulse power of SMAJ85 is 400 watts.

  3. What is the breakdown voltage of SMAJ85?

    • The breakdown voltage of SMAJ85 is 85 volts.

  4. What are the typical applications of SMAJ85?

    • SMAJ85 is commonly used in various technical solutions such as power supplies, automotive electronics, industrial equipment, and telecommunications systems for surge protection.

  5. What is the response time of SMAJ85?

    • The response time of SMAJ85 is very fast, typically in the nanosecond range, providing quick protection against voltage transients.

  6. How does SMAJ85 provide surge protection?

    • SMAJ85 clamps the voltage during transient events, diverting excess current away from sensitive components and preventing damage to the circuit.

  7. Can SMAJ85 be used for ESD (electrostatic discharge) protection?

    • Yes, SMAJ85 can also be used for ESD protection in electronic devices and integrated circuits.

  8. What is the operating temperature range of SMAJ85?

    • The operating temperature range of SMAJ85 is typically from -55°C to 150°C, making it suitable for a wide range of environments.

  9. Is SMAJ85 RoHS compliant?

    • Yes, SMAJ85 is RoHS compliant, meeting the requirements for restriction of hazardous substances in electronic products.

  10. Are there alternative package options for SMAJ85?

    • Yes, SMAJ85 is available in various package options such as DO-214AC (SMA), DO-214AB (SMC), and other surface mount packages to suit different design requirements.