Vishay Semiconductor Diodes Division
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1.5SMC43CA-M3/9AT
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1.5SMC43CA-M3/9AT

Product Overview

Category

The 1.5SMC43CA-M3/9AT belongs to the category of transient voltage suppressor (TVS) diodes.

Use

It is used to protect sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Characteristics

  • Voltage Suppression: Provides protection against voltage spikes and surges.
  • Fast Response Time: Rapidly clamps transient voltages to a safe level.
  • Low Clamping Voltage: Limits the voltage across the protected circuit.
  • High Surge Current Capability: Can handle high surge currents without degradation.

Package

The 1.5SMC43CA-M3/9AT is typically available in a surface-mount package.

Essence

The essence of this product lies in its ability to safeguard electronic circuits from damaging voltage spikes and surges.

Packaging/Quantity

It is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Part Number: 1.5SMC43CA-M3/9AT
  • Standoff Voltage: 36.8V
  • Breakdown Voltage: 40.9V
  • Peak Pulse Power: 1500W
  • Operating Temperature Range: -55°C to 150°C
  • Package Type: SMC (DO-214AB)

Detailed Pin Configuration

The 1.5SMC43CA-M3/9AT typically features two pins for surface-mount soldering onto the PCB. The pin configuration follows industry-standard guidelines for TVS diodes.

Functional Features

  • Transient Voltage Suppression: Quickly clamps transient voltages to protect downstream components.
  • Bidirectional Protection: Offers protection for both positive and negative voltage transients.
  • Low Leakage Current: Minimizes power consumption during normal operation.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Low clamping voltage
  • High surge current capability

Disadvantages

  • May require additional circuitry for comprehensive ESD protection
  • Sensitive to reverse polarity connection

Working Principles

When a transient voltage event occurs, the 1.5SMC43CA-M3/9AT conducts current to divert the excess energy away from the protected circuit. This action limits the voltage across the circuit, preventing damage to sensitive components.

Detailed Application Field Plans

The 1.5SMC43CA-M3/9AT is widely used in various applications, including: - Telecommunications equipment - Industrial control systems - Automotive electronics - Consumer electronics - Power supplies

Detailed and Complete Alternative Models

  • Alternative Model 1: 1.5SMC33CA-M3/9AT
  • Alternative Model 2: 1.5SMC48CA-M3/9AT
  • Alternative Model 3: 1.5SMC58CA-M3/9AT

In summary, the 1.5SMC43CA-M3/9AT transient voltage suppressor diode offers effective protection against voltage transients, making it an essential component in various electronic systems.

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技術ソリューションにおける 1.5SMC43CA-M3/9AT の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the voltage rating of 1.5SMC43CA-M3/9AT?

    • The voltage rating of 1.5SMC43CA-M3/9AT is 43V.

  2. What is the peak pulse power of 1.5SMC43CA-M3/9AT?

    • The peak pulse power of 1.5SMC43CA-M3/9AT is 1500W.

  3. What type of diode is 1.5SMC43CA-M3/9AT?

    • 1.5SMC43CA-M3/9AT is a unidirectional TVS (transient voltage suppression) diode.

  4. What are the typical applications for 1.5SMC43CA-M3/9AT?

    • Typical applications for 1.5SMC43CA-M3/9AT include overvoltage protection in various electronic circuits, such as power supplies, telecommunications equipment, and automotive electronics.

  5. What is the maximum clamping voltage of 1.5SMC43CA-M3/9AT?

    • The maximum clamping voltage of 1.5SMC43CA-M3/9AT is 77.4V at 77.4A.

  6. What is the operating temperature range of 1.5SMC43CA-M3/9AT?

    • The operating temperature range of 1.5SMC43CA-M3/9AT is -55°C to +150°C.

  7. Does 1.5SMC43CA-M3/9AT meet any specific industry standards?

    • Yes, 1.5SMC43CA-M3/9AT meets the requirements of the RoHS directive (2011/65/EU).

  8. What is the package type of 1.5SMC43CA-M3/9AT?

    • 1.5SMC43CA-M3/9AT is available in a DO-214AB (SMC) package.

  9. Is 1.5SMC43CA-M3/9AT suitable for high-speed data line protection?

    • Yes, 1.5SMC43CA-M3/9AT is suitable for high-speed data line protection due to its fast response time and low clamping voltage.

  10. Can 1.5SMC43CA-M3/9AT be used in outdoor applications?

    • Yes, 1.5SMC43CA-M3/9AT can be used in outdoor applications as it is designed to withstand environmental stress and harsh conditions.