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1.5SMC43
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1.5SMC43

Product Overview

Category

1.5SMC43 belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for surge protection in electronic circuits, providing a low-impedance path for transient currents.

Characteristics

  • Fast response time
  • High surge current capability
  • Low clamping voltage
  • RoHS compliant

Package

The 1.5SMC43 is available in a DO-214AB (SMC) package.

Essence

The essence of 1.5SMC43 lies in its ability to protect sensitive electronic components from voltage transients.

Packaging/Quantity

It is typically packaged in reels or trays and is available in quantities ranging from hundreds to thousands per reel/tray.

Specifications

  • Standoff Voltage: 36.8V
  • Breakdown Voltage: 40.9V
  • Maximum Clamping Voltage: 58.9V
  • Peak Pulse Current: 87.1A
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The 1.5SMC43 has two pins, anode, and cathode, which are denoted by the "+" and "-" symbols on the device.

Functional Features

  • Bi-directional TVS diode
  • Low incremental surge resistance
  • High temperature stability

Advantages and Disadvantages

Advantages

  • Provides effective protection against voltage surges
  • Fast response time
  • Can handle high surge currents

Disadvantages

  • May require additional circuitry for comprehensive overvoltage protection
  • Sensitive to reverse bias conditions

Working Principles

When a voltage surge occurs, the 1.5SMC43 conducts the excess current to ground, limiting the voltage across the protected circuit.

Detailed Application Field Plans

  1. Industrial Control Systems: Protects PLCs, sensors, and control circuitry from voltage spikes.
  2. Telecommunications Equipment: Safeguards communication devices from lightning-induced surges.
  3. Automotive Electronics: Shields vehicle electronics from voltage transients caused by load dump and other events.

Detailed and Complete Alternative Models

  • SMAJ36A: Similar specifications with a different package (DO-214AC)
  • P6SMB36CA: Higher power handling capability with similar voltage ratings

This completes the entry for 1.5SMC43, covering its product details, specifications, functional features, application field plans, and alternative models.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1.5SMC43 en soluciones técnicas

  1. What is 1.5SMC43?

    • 1.5SMC43 is a type of TVS (transient voltage suppressor) diode, designed to protect electronic circuits from overvoltage transients.

  2. What is the maximum peak pulse current for 1.5SMC43?

    • The maximum peak pulse current for 1.5SMC43 is typically 100A.

  3. What is the breakdown voltage of 1.5SMC43?

    • The breakdown voltage of 1.5SMC43 is 43V.

  4. What are the typical applications of 1.5SMC43?

    • 1.5SMC43 is commonly used in surge protection for telecommunications equipment, automotive electronics, and industrial control systems.

  5. What is the response time of 1.5SMC43?

    • The response time of 1.5SMC43 is very fast, typically in the nanosecond range.

  6. How does 1.5SMC43 provide overvoltage protection?

    • When an overvoltage transient occurs, 1.5SMC43 conducts the excess current to ground, protecting the connected circuitry.

  7. Can 1.5SMC43 be used in high-speed data lines?

    • Yes, 1.5SMC43 is suitable for protecting high-speed data lines such as USB, Ethernet, and HDMI.

  8. What is the operating temperature range of 1.5SMC43?

    • The operating temperature range of 1.5SMC43 is typically -55°C to 150°C.

  9. Is 1.5SMC43 RoHS compliant?

    • Yes, 1.5SMC43 is generally RoHS compliant, meaning it meets the restriction on hazardous substances requirements.

  10. What are the packaging options available for 1.5SMC43?

    • 1.5SMC43 is available in various package types, including DO-214AB (SMC), SMA, and SMB.