Vishay Semiconductor Diodes Division
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SMCJ120AHE3/9AT
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SMCJ120AHE3/9AT

Product Overview

  • Category: Semiconductor
  • Use: Transient Voltage Suppressor (TVS) Diode
  • Characteristics: High surge capability, low clamping voltage, fast response time
  • Package: DO-214AB (SMC)
  • Essence: Provides protection against transient voltage spikes
  • Packaging/Quantity: Tape & Reel, 1500 units per reel

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 120V
  • Operating Voltage: 103V
  • Reverse Standoff Voltage: 96.8V
  • Clamping Voltage: 164V
  • Maximum Surge Current: 58.9A

Detailed Pin Configuration

The SMCJ120AHE3/9AT TVS diode has a standard SMC package with two leads.

Functional Features

  • Provides protection against voltage transients
  • Fast response time ensures minimal damage to protected components
  • Low clamping voltage limits stress on the circuitry

Advantages and Disadvantages

  • Advantages:
    • High surge capability
    • Fast response time
    • Low clamping voltage
  • Disadvantages:
    • Higher cost compared to some alternatives
    • Limited to specific voltage ratings

Working Principles

The SMCJ120AHE3/9AT TVS diode operates by diverting excess current away from sensitive components when a transient voltage spike occurs. It achieves this by rapidly switching into a low-resistance state, effectively shunting the excess energy to protect downstream components.

Detailed Application Field Plans

This TVS diode is commonly used in electronic circuits that are susceptible to voltage transients, such as power supplies, communication equipment, and automotive electronics. Its high surge capability and fast response time make it suitable for protecting sensitive semiconductor devices from voltage surges.

Detailed and Complete Alternative Models

  • Alternative Model 1: P6KE120CA
    • Characteristics: Similar surge capability and clamping voltage
  • Alternative Model 2: 1.5SMC120CA
    • Characteristics: Comparable surge capability and breakdown voltage

This entry provides comprehensive information about the SMCJ120AHE3/9AT TVS diode, including its specifications, functional features, advantages, and detailed application field plans. Additionally, alternative models are suggested for comparison and consideration.

技術ソリューションにおける SMCJ120AHE3/9AT 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 SMCJ120AHE3/9AT?

    • The SMCJ120AHE3/9AT is a surface mount transient voltage suppressor diode designed to protect sensitive electronic equipment from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

  2. What is the maximum peak pulse power of the SMCJ120AHE3/9AT?

    • The maximum peak pulse power of the SMCJ120AHE3/9AT is 1500 watts.

  3. What is the breakdown voltage of the SMCJ120AHE3/9AT?

    • The breakdown voltage of the SMCJ120AHE3/9AT is 120V.

  4. What are the typical applications for the SMCJ120AHE3/9AT?

    • Typical applications for the SMCJ120AHE3/9AT include protection of telecommunications equipment, power supplies, industrial control systems, and automotive electronics.

  5. What is the operating temperature range of the SMCJ120AHE3/9AT?

    • The operating temperature range of the SMCJ120AHE3/9AT is -55°C to +150°C.

  6. What is the clamping voltage of the SMCJ120AHE3/9AT?

    • The clamping voltage of the SMCJ120AHE3/9AT is 193V at 10A.

  7. What is the package type of the SMCJ120AHE3/9AT?

    • The SMCJ120AHE3/9AT comes in a DO-214AB (SMC) package.

  8. Is the SMCJ120AHE3/9AT RoHS compliant?

    • Yes, the SMCJ120AHE3/9AT is RoHS compliant.

  9. What are the key features of the SMCJ120AHE3/9AT?

    • The key features of the SMCJ120AHE3/9AT include low incremental surge resistance, fast response time, and high reliability.

  10. What are the recommended soldering conditions for the SMCJ120AHE3/9AT?

    • The recommended soldering conditions for the SMCJ120AHE3/9AT include a peak reflow temperature of 260°C for 10 seconds.