Vishay Semiconductor Diodes Division
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SMAJ15CHE3/5A
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SMAJ15CHE3/5A Product Overview

Introduction

The SMAJ15CHE3/5A belongs to the category of electronic components and is commonly used for voltage clamping in various electronic circuits. This entry provides a comprehensive overview of the product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Electronic Component
  • Use: Voltage Clamping
  • Characteristics: Fast response time, low leakage current, high surge capability
  • Package: SMA (DO-214AC)
  • Essence: Protecting sensitive electronic components from voltage spikes
  • Packaging/Quantity: Available in reels or bulk packaging, quantity varies by supplier

Specifications

  • Part Number: SMAJ15CHE3/5A
  • Peak Pulse Power: 400W
  • Breakdown Voltage: 15V
  • Operating Temperature Range: -55°C to +150°C
  • RoHS Compliant: Yes

Detailed Pin Configuration

The SMAJ15CHE3/5A has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Voltage Clamping: Provides protection against transient voltage spikes.
  • Fast Response Time: Reacts quickly to voltage surges, minimizing potential damage to connected components.
  • Low Leakage Current: Ensures minimal power loss during normal operation.
  • High Surge Capability: Capable of withstanding high surge currents without degradation.

Advantages and Disadvantages

Advantages

  • Effective voltage clamping for sensitive electronic components
  • Fast response time for surge protection
  • RoHS compliant, environmentally friendly

Disadvantages

  • Limited breakdown voltage range
  • May require additional circuitry for comprehensive overvoltage protection

Working Principles

The SMAJ15CHE3/5A operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage exceeds the breakdown voltage, thereby diverting the surge away from sensitive components.

Detailed Application Field Plans

The SMAJ15CHE3/5A is widely used in various applications, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to SMAJ15CHE3/5A include: - P6SMB15CA - 1.5SMC15CA - SMBJ15CA

In conclusion, the SMAJ15CHE3/5A is a crucial component for protecting sensitive electronic devices from voltage spikes. Its fast response time, low leakage current, and high surge capability make it an essential part of many electronic circuits.

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  1. What is SMAJ15CHE3/5A?

    • SMAJ15CHE3/5A is a surface mount transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum peak pulse power of SMAJ15CHE3/5A?

    • The maximum peak pulse power of SMAJ15CHE3/5A is 400 watts.

  3. What is the breakdown voltage of SMAJ15CHE3/5A?

    • The breakdown voltage of SMAJ15CHE3/5A is 15 volts.

  4. What are the typical applications of SMAJ15CHE3/5A?

    • SMAJ15CHE3/5A is commonly used in applications such as telecommunications equipment, industrial control systems, automotive electronics, and consumer electronics to protect against voltage surges and ESD events.

  5. What is the operating temperature range of SMAJ15CHE3/5A?

    • The operating temperature range of SMAJ15CHE3/5A is -55°C to +150°C.

  6. What is the forward voltage drop of SMAJ15CHE3/5A?

    • The forward voltage drop of SMAJ15CHE3/5A is typically 0.9 volts at 10 mA.

  7. How does SMAJ15CHE3/5A provide protection against voltage transients?

    • SMAJ15CHE3/5A clamps the voltage to a safe level by diverting excess current away from sensitive components, thereby protecting them from damage.

  8. Is SMAJ15CHE3/5A RoHS compliant?

    • Yes, SMAJ15CHE3/5A is RoHS compliant, making it suitable for use in environmentally conscious designs.

  9. What is the packaging type of SMAJ15CHE3/5A?

    • SMAJ15CHE3/5A is available in a variety of surface mount packages, including SMA, SMB, SMC, and DO-214AC.

  10. Can SMAJ15CHE3/5A be used in high-speed data line protection applications?

    • Yes, SMAJ15CHE3/5A is suitable for high-speed data line protection due to its fast response time and low capacitance.