Vishay Semiconductor Diodes Division
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SMAJ14CHE3/5A
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SMAJ14CHE3/5A

1. Introduction

The SMAJ14CHE3/5A belongs to the category of transient voltage suppressor diodes (TVS diodes). These diodes are widely used in electronic circuits to protect sensitive components from voltage spikes and transients. The SMAJ14CHE3/5A is designed to provide robust protection against overvoltage events, making it an essential component in various electronic applications.

2. Basic Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage spikes and transients
  • Characteristics: Fast response time, low clamping voltage, high surge current capability
  • Package: SMA (DO-214AC)
  • Essence: Safeguarding sensitive electronic components
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

3. Specifications

  • Part Number: SMAJ14CHE3/5A
  • Standoff Voltage: 12.8V
  • Breakdown Voltage: 14.3V
  • Peak Pulse Power: 400W
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature Range: -55°C to +150°C

4. Detailed Pin Configuration

The SMAJ14CHE3/5A TVS diode typically has two pins for connection. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

5. Functional Features

  • Fast response time to clamp transient voltages
  • Low clamping voltage to protect downstream components
  • High surge current capability for reliable protection

6. Advantages and Disadvantages

Advantages

  • Effective protection against voltage spikes
  • Compact size for easy integration into circuit designs
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability compared to larger TVS diodes
  • May require additional circuitry for comprehensive overvoltage protection

7. Working Principles

When a transient voltage spike occurs, the SMAJ14CHE3/5A TVS diode rapidly conducts, diverting the excess energy away from the protected circuit. This action effectively clamps the voltage to a safe level, preventing damage to sensitive components.

8. Detailed Application Field Plans

The SMAJ14CHE3/5A TVS diode finds extensive use in various applications, including: - Consumer electronics - Telecommunications equipment - Automotive electronics - Industrial control systems - Power supplies

9. Detailed and Complete Alternative Models

Several alternative models to the SMAJ14CHE3/5A TVS diode include: - P6KE15CA - 1.5KE16CA - SMBJ14A

In conclusion, the SMAJ14CHE3/5A TVS diode plays a crucial role in protecting electronic circuits from voltage transients and spikes. Its compact size, fast response time, and high surge current capability make it a valuable component in a wide range of applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMAJ14CHE3/5A v technických řešeních

  1. What is SMAJ14CHE3/5A?

    • SMAJ14CHE3/5A is a type of surface mount transient voltage suppressor diode designed to protect electronic circuits from overvoltage transients.

  2. What is the maximum voltage rating for SMAJ14CHE3/5A?

    • The maximum voltage rating for SMAJ14CHE3/5A is 14 volts.

  3. What is the peak pulse power dissipation for SMAJ14CHE3/5A?

    • The peak pulse power dissipation for SMAJ14CHE3/5A is typically 400 watts.

  4. What are the typical applications for SMAJ14CHE3/5A?

    • SMAJ14CHE3/5A is commonly used in applications such as telecommunications equipment, industrial control systems, and automotive electronics to protect against voltage transients.

  5. What is the clamping voltage of SMAJ14CHE3/5A?

    • The clamping voltage of SMAJ14CHE3/5A is typically around 23.2 volts at 10A.

  6. How does SMAJ14CHE3/5A provide overvoltage protection?

    • SMAJ14CHE3/5A operates by diverting excessive current away from sensitive components when an overvoltage event occurs, thus protecting the circuit.

  7. What is the operating temperature range for SMAJ14CHE3/5A?

    • The operating temperature range for SMAJ14CHE3/5A is usually -55°C to +150°C.

  8. Can SMAJ14CHE3/5A be used in high-speed data lines?

    • Yes, SMAJ14CHE3/5A can be used in high-speed data lines to protect against voltage surges and spikes.

  9. What are the package options available for SMAJ14CHE3/5A?

    • SMAJ14CHE3/5A is available in various package options such as DO-214AC (SMA) and DO-214AB (SMC).

  10. Is SMAJ14CHE3/5A RoHS compliant?

    • Yes, SMAJ14CHE3/5A is typically RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive for environmental safety.