Vishay Semiconductor Diodes Division
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1.5SMC120AHE3/9AT
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1.5SMC120AHE3/9AT

Product Overview

Category

The 1.5SMC120AHE3/9AT belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for surge protection in electronic circuits, providing a high level of protection against voltage transients.

Characteristics

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

Package

The 1.5SMC120AHE3/9AT is available in a DO-214AB package.

Essence

This TVS diode serves as a critical component in safeguarding sensitive electronic devices from voltage spikes and surges.

Packaging/Quantity

It is typically packaged in reels with a quantity of 1500 units per reel.

Specifications

  • Standoff Voltage: 102V
  • Breakdown Voltage: 113V
  • Maximum Clamping Voltage: 146V
  • Peak Pulse Current: 50A
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The 1.5SMC120AHE3/9AT has two pins, anode, and cathode, which are clearly marked on the device.

Functional Features

  • Provides protection against transient voltage events
  • Fast response time ensures minimal damage to protected circuits
  • Low clamping voltage prevents excessive voltage exposure to downstream components

Advantages and Disadvantages

Advantages

  • High surge capability
  • Fast response time
  • RoHS compliant

Disadvantages

  • Relatively higher clamping voltage compared to some alternative models

Working Principles

When a transient voltage event occurs, the TVS diode conducts current to divert the excess energy away from the protected circuit, thereby limiting the voltage across the circuit.

Detailed Application Field Plans

The 1.5SMC120AHE3/9AT is commonly used in: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the 1.5SMC120AHE3/9AT include: - P6KE100CA - SMBJ110CA - 1.5KE120A

In conclusion, the 1.5SMC120AHE3/9AT TVS diode offers robust surge protection capabilities and finds widespread use in various electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1.5SMC120AHE3/9AT v technických řešeních

  1. What is 1.5SMC120AHE3/9AT?

    • 1.5SMC120AHE3/9AT is a TVS (transient voltage suppressor) diode designed to protect sensitive electronics from voltage spikes and transients.

  2. What is the maximum peak pulse current of 1.5SMC120AHE3/9AT?

    • The maximum peak pulse current is 50A.

  3. What is the breakdown voltage of 1.5SMC120AHE3/9AT?

    • The breakdown voltage is 120V.

  4. What are the typical applications for 1.5SMC120AHE3/9AT?

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

  5. What is the operating temperature range of 1.5SMC120AHE3/9AT?

    • The operating temperature range is -55°C to +150°C.

  6. How does 1.5SMC120AHE3/9AT protect against voltage spikes?

    • It clamps the voltage to a safe level by diverting excess current away from the protected device.

  7. Is 1.5SMC120AHE3/9AT suitable for high-speed data lines?

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

  8. Can 1.5SMC120AHE3/9AT be used in outdoor applications?

    • Yes, it can be used in outdoor applications as it is designed to withstand harsh environmental conditions.

  9. What is the response time of 1.5SMC120AHE3/9AT?

    • The response time is very fast, typically in picoseconds, providing quick protection against transients.

  10. Does 1.5SMC120AHE3/9AT require any external components for proper operation?

    • No, it is a standalone device and does not require additional external components for its operation.