Littelfuse Inc.
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SMCJ43A-HR
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SMCJ43A-HR

Product Overview

The SMCJ43A-HR belongs to the category of transient voltage suppressor diodes. These diodes are commonly used to protect sensitive electronic devices from voltage spikes and transients. The SMCJ43A-HR is designed to provide robust protection against voltage surges, making it suitable for a wide range of applications. Its characteristics, packaging, quantity, and essence make it a valuable component in electronic circuit protection.

Basic Information

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage spikes and transients
  • Characteristics: Robust, reliable, fast response time
  • Package: SMC (DO-214AB)
  • Packaging/Quantity: Tape & Reel, 500 units per reel

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 43V
  • Operating Voltage: 36.8V
  • Clamping Voltage: 58.1V
  • Peak Pulse Current: 77.4A
  • Reverse Standoff Voltage: 43V
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMCJ43A-HR follows the standard pin configuration for SMC package diodes, with two leads for connection.

Functional Features

  • Fast response to transient voltage spikes
  • Low clamping voltage to protect downstream components
  • Robust construction for reliability in harsh environments

Advantages and Disadvantages

Advantages

  • Effective protection against voltage surges
  • Fast response time
  • Wide operating temperature range

Disadvantages

  • Higher clamping voltage compared to some alternative models
  • Relatively larger footprint due to SMC package

Working Principles

The SMCJ43A-HR operates by diverting excess transient current away from sensitive components when a voltage surge occurs. It rapidly clamps the voltage to a safe level, protecting the connected circuitry.

Detailed Application Field Plans

The SMCJ43A-HR is widely used in various electronic systems, including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the SMCJ43A-HR include: - SMCJ33A-HR: Lower breakdown voltage (33V) - SMCJ48A-HR: Higher breakdown voltage (48V) - SMCJ43CA-HR: Unidirectional clamping

In conclusion, the SMCJ43A-HR transient voltage suppressor diode offers effective protection against voltage surges and transients, making it an essential component in numerous electronic applications.

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기술 솔루션에 SMCJ43A-HR 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is the maximum peak pulse power of SMCJ43A-HR?

    • The maximum peak pulse power of SMCJ43A-HR is 1500 watts.

  2. What is the breakdown voltage of SMCJ43A-HR?

    • The breakdown voltage of SMCJ43A-HR is typically 47.8 volts.

  3. What is the operating temperature range for SMCJ43A-HR?

    • SMCJ43A-HR has an operating temperature range of -55°C to +175°C.

  4. What is the reverse stand-off voltage of SMCJ43A-HR?

    • The reverse stand-off voltage of SMCJ43A-HR is 43 volts.

  5. What are the typical applications for SMCJ43A-HR?

    • SMCJ43A-HR is commonly used in surge protection for telecommunications equipment, industrial control systems, and automotive electronics.

  6. Does SMCJ43A-HR have a low leakage current?

    • Yes, SMCJ43A-HR has a low leakage current, making it suitable for sensitive electronic devices.

  7. Is SMCJ43A-HR RoHS compliant?

    • Yes, SMCJ43A-HR is RoHS compliant, meeting environmental standards.

  8. What is the response time of SMCJ43A-HR?

    • The response time of SMCJ43A-HR is very fast, providing rapid protection against transient overvoltages.

  9. Can SMCJ43A-HR be used in high-reliability applications?

    • Yes, SMCJ43A-HR is designed for high-reliability applications and has a high surge capability.

  10. Does SMCJ43A-HR have industry-standard package dimensions?

    • Yes, SMCJ43A-HR is available in a standard SMC package, making it easy to integrate into existing designs.