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SA43CA
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SA43CA Product Overview

Introduction

The SA43CA belongs to the category of semiconductor devices and is commonly used as a transient voltage suppressor (TVS) diode. This device is designed to protect sensitive electronics from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. The SA43CA is known for its high surge capability, low clamping voltage, and fast response time, making it an essential component in various electronic circuits.

Basic Information Overview

  • Category: Semiconductor Devices
  • Use: Transient Voltage Suppressor (TVS) Diode
  • Characteristics: High surge capability, low clamping voltage, fast response time
  • Package: DO-214AC (SMA)
  • Essence: Protection against voltage transients
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

The SA43CA TVS diode features the following specifications: - Peak Pulse Power: 500 Watts - Breakdown Voltage: 43V - Clamping Voltage: 77.4V at 10A - Operating Temperature Range: -55°C to +150°C - Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SA43CA TVS diode has a standard DO-214AC (SMA) package with two pins. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
  • Fast Response Time: Rapid reaction to transient events ensures minimal impact on the protected circuitry.
  • High Surge Capability: Capable of handling large surge currents without degradation.

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Clamping voltage may be relatively high for some applications
  • Requires careful consideration of placement within the circuit to ensure optimal performance

Working Principles

The SA43CA TVS diode operates based on the principle of avalanche breakdown. When a transient voltage event occurs, the diode rapidly conducts, diverting the excess energy away from the sensitive components. This action effectively limits the voltage across the protected circuitry, preventing damage.

Detailed Application Field Plans

The SA43CA TVS diode finds extensive use in various applications, including: - Consumer Electronics: Protection of USB ports, HDMI interfaces, and audio/video equipment - Telecommunications: Safeguarding communication interfaces and network equipment - Automotive Electronics: Protection of onboard electronic systems from voltage transients - Industrial Control Systems: Shielding PLCs, sensors, and control circuits from transient events

Detailed and Complete Alternative Models

Several alternative models to the SA43CA TVS diode include: - SA5.0CA: 5.0V Breakdown Voltage TVS Diode - SA15CA: 15V Breakdown Voltage TVS Diode - SA30CA: 30V Breakdown Voltage TVS Diode - SA58CA: 58V Breakdown Voltage TVS Diode

In conclusion, the SA43CA TVS diode offers robust transient voltage suppression capabilities, making it an indispensable component in safeguarding sensitive electronics from voltage transients across various industries.

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技術ソリューションにおける SA43CA 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 SA43CA?

    • SA43CA is a high-speed, low-capacitance transient voltage suppressor diode used to protect sensitive electronics from voltage spikes and transients.

  2. Where is SA43CA commonly used in technical solutions?

    • SA43CA is commonly used in applications such as data lines, telecommunications equipment, industrial control systems, and automotive electronics.

  3. What is the maximum clamping voltage of SA43CA?

    • The maximum clamping voltage of SA43CA is typically around 77 volts at a peak pulse current of 5 amperes.

  4. How does SA43CA provide protection to electronic circuits?

    • SA43CA diverts excess current away from sensitive components by shunting it to ground, thus protecting the circuit from overvoltage events.

  5. What is the capacitance of SA43CA?

    • The capacitance of SA43CA is typically very low, around 5 picofarads, which minimally affects signal integrity in high-speed data applications.

  6. Can SA43CA be used for ESD protection?

    • Yes, SA43CA can be used for electrostatic discharge (ESD) protection in various electronic devices and systems.

  7. What are the temperature considerations for SA43CA?

    • SA43CA has a wide operating temperature range, typically from -55°C to 150°C, making it suitable for diverse environmental conditions.

  8. Is SA43CA RoHS compliant?

    • Yes, SA43CA is generally RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive's requirements.

  9. What are the package options available for SA43CA?

    • SA43CA is available in various package options, including SMA, SMB, SMC, and other surface-mount packages, as well as axial-lead packages.

  10. Are there any application notes or guidelines for using SA43CA in technical solutions?

    • Yes, manufacturers often provide detailed application notes and guidelines for incorporating SA43CA into specific technical solutions, addressing layout considerations, performance characteristics, and more.