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SMF45AT1G
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SMF45AT1G

Product Overview

Category: Diode
Use: Voltage suppression in electronic circuits
Characteristics: Low leakage current, fast response time
Package: SOD-123FL
Essence: Protecting sensitive electronic components from voltage spikes
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage: 45V
  • Operating Temperature Range: -55°C to +150°C
  • Reverse Standoff Voltage: 45V
  • Forward Voltage: 0.6V at 1A

Detailed Pin Configuration

The SMF45AT1G is a surface mount diode with two pins. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

  • Fast response time to transient over-voltage events
  • Low clamping voltage
  • Low leakage current

Advantages

  • Provides effective protection for sensitive electronic components
  • Compact SOD-123FL package for space-constrained applications
  • Low forward voltage minimizes power dissipation

Disadvantages

  • Limited peak pulse power compared to higher-rated diodes
  • Operating temperature range may not be suitable for extreme environments

Working Principles

When a voltage spike occurs in the circuit, the SMF45AT1G diode conducts and clamps the voltage to a safe level, protecting downstream components.

Detailed Application Field Plans

  • Consumer electronics: TVs, smartphones, and computers
  • Automotive electronics: Engine control units, infotainment systems
  • Industrial equipment: PLCs, motor drives

Detailed and Complete Alternative Models

  • SMAJ45A: Similar characteristics but in a SMA package
  • P4SMAJ45A: Higher peak pulse power in a DO-214AC package
  • SMBJ45A: Lower profile alternative in a SMB package

This information provides a comprehensive understanding of the SMF45AT1G diode, its specifications, features, and application areas.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SMF45AT1G i tekniska lösningar

  1. What is SMF45AT1G?

    • SMF45AT1G is a surface mount, transient voltage suppressor diode designed to protect sensitive electronics from voltage transients.

  2. What is the maximum working voltage of SMF45AT1G?

    • The maximum working voltage of SMF45AT1G is 45 volts.

  3. What is the peak pulse current rating of SMF45AT1G?

    • The peak pulse current rating of SMF45AT1G is typically 10A.

  4. What are the typical applications of SMF45AT1G?

    • SMF45AT1G is commonly used in applications such as USB ports, Ethernet ports, and other interfaces to protect against electrostatic discharge (ESD) and electrical transients.

  5. What is the clamping voltage of SMF45AT1G?

    • The clamping voltage of SMF45AT1G is typically around 77 volts at 10A.

  6. What is the operating temperature range of SMF45AT1G?

    • The operating temperature range of SMF45AT1G is -55°C to 150°C.

  7. Is SMF45AT1G RoHS compliant?

    • Yes, SMF45AT1G is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  8. Can SMF45AT1G be used for surge protection in power supply circuits?

    • Yes, SMF45AT1G can be used for surge protection in low voltage power supply circuits.

  9. What is the package type of SMF45AT1G?

    • SMF45AT1G comes in a SOD-123FL package.

  10. Does SMF45AT1G have any industry certifications?

    • SMF45AT1G is often certified to meet industry standards such as IEC 61000-4-2 for ESD protection.