قد تكون الصورة تمثيلية.
راجع المواصفات للحصول على تفاصيل المنتج.
SMF45A-HM3-18

SMF45A-HM3-18

Product Overview

Category: Electronic Component
Use: Voltage Suppressor Diode
Characteristics: High surge capability, low clamping voltage, fast response time
Package: DO-214AB (SMC)
Essence: Protects sensitive electronic devices from voltage transients
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage: 45V
  • Clamping Voltage: 77.4V at 10A
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMF45A-HM3-18 has two pins in a standard DO-214AB package.

Functional Features

  • Provides protection against voltage transients
  • Fast response time ensures minimal damage to protected devices
  • High surge capability for reliable performance

Advantages and Disadvantages

Advantages: - High surge capability - Low clamping voltage - Fast response time

Disadvantages: - Limited breakdown voltage compared to higher-rated diodes - Operating temperature range may not be suitable for extreme environments

Working Principles

When a transient voltage spike occurs, the diode conducts and clamps the voltage to a safe level, protecting downstream components.

Detailed Application Field Plans

  • Consumer electronics
  • Automotive electronics
  • Industrial control systems
  • Telecommunications equipment

Detailed and Complete Alternative Models

  1. SMF5.0A-HM3-18: 5.0V Breakdown Voltage
  2. SMF15A-HM3-18: 15V Breakdown Voltage
  3. SMF30A-HM3-18: 30V Breakdown Voltage

This concludes the detailed entry for the SMF45A-HM3-18 voltage suppressor diode.

قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق SMF45A-HM3-18 في الحلول التقنية

  1. What is SMF45A-HM3-18?

    • SMF45A-HM3-18 is a surface mount, high-power TVS diode designed to protect sensitive electronics from voltage transients induced by lightning and other transient voltage events.
  2. What are the key features of SMF45A-HM3-18?

    • The key features include a peak pulse power dissipation of 400W, low clamping voltage, and compatibility with various industry standards such as IEC 61000-4-5 and AEC-Q101.
  3. In what technical solutions can SMF45A-HM3-18 be used?

    • SMF45A-HM3-18 can be used in applications such as power supplies, communication systems, industrial equipment, and automotive electronics to protect against transient overvoltage events.
  4. What is the operating voltage range of SMF45A-HM3-18?

    • The operating voltage range is from 7V to 45V, making it suitable for a wide range of electronic systems.
  5. How does SMF45A-HM3-18 provide protection against transient voltage events?

    • It rapidly clamps the transient voltage to a safe level, diverting the excess energy away from the protected circuitry.
  6. Is SMF45A-HM3-18 RoHS compliant?

    • Yes, SMF45A-HM3-18 is RoHS compliant, ensuring that it meets environmental standards for hazardous substances.
  7. What is the temperature range for operation of SMF45A-HM3-18?

    • The device is designed to operate within a temperature range of -55°C to 150°C, allowing for reliable performance in harsh environments.
  8. Does SMF45A-HM3-18 require any external components for proper operation?

    • No, SMF45A-HM3-18 is a standalone device and does not require any external components for its operation.
  9. Can SMF45A-HM3-18 be used in high-speed data line protection applications?

    • Yes, it is suitable for protecting high-speed data lines such as USB, Ethernet, and HDMI interfaces.
  10. What are the recommended layout guidelines for incorporating SMF45A-HM3-18 into a PCB design?

    • The manufacturer provides detailed layout guidelines to ensure optimal performance, including recommendations for trace routing and component placement.