Taiwan Semiconductor Corporation
Imej mungkin representasi.
Lihat spesifikasi untuk butiran produk.
SMAJ20CA R3G
Lihat Butiran Helaian data

SMAJ20CA R3G

Introduction

The SMAJ20CA R3G belongs to the category of transient voltage suppressor diodes. These diodes are widely used in electronic circuits to protect sensitive components from voltage spikes and transients. The SMAJ20CA R3G is specifically designed to provide protection against transient overvoltage conditions.

Basic Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against transient overvoltage conditions
  • Characteristics: Fast response time, low clamping voltage, high surge capability
  • Package: DO-214AC (SMA), SMC
  • Essence: To divert excessive current away from sensitive components
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

  • Peak Power Dissipation: 400W
  • Breakdown Voltage: 20V
  • Operating Voltage: 17.1V
  • Clamping Voltage: 29.2V
  • Peak Pulse Current: 19.6A
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ20CA R3G typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

  • Fast response time to transient overvoltage events
  • Low clamping voltage to limit the voltage across the protected circuit
  • High surge capability to withstand large transient currents

Advantages and Disadvantages

Advantages

  • Effective protection against transient voltage spikes
  • Fast response time ensures minimal impact on the protected circuit
  • Compact size for easy integration into circuit designs

Disadvantages

  • Limited to specific voltage and current ratings
  • May require additional circuitry for comprehensive overvoltage protection

Working Principles

When a transient overvoltage event occurs, the SMAJ20CA R3G conducts current and clamps the voltage to a safe level, protecting downstream components. This is achieved through the rapid transition of the diode from a high-resistance state to a low-resistance state when exposed to overvoltage conditions.

Detailed Application Field Plans

The SMAJ20CA R3G is commonly used in various electronic systems and equipment, including: - Power supply units - Communication devices - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • P6KE20CA: Similar specifications and package type
  • 1.5SMC20CA: Higher surge capability and operating temperature range
  • SA20CA: Lower clamping voltage and smaller package size

In conclusion, the SMAJ20CA R3G transient voltage suppressor diode offers effective protection against transient overvoltage events, making it a crucial component in safeguarding sensitive electronic circuits.

Word count: 411

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi SMAJ20CA R3G dalam penyelesaian teknikal

  1. What is the maximum peak pulse power of SMAJ20CA R3G?

    • The maximum peak pulse power of SMAJ20CA R3G is 400 watts for an 8/20µs waveform.

  2. What is the breakdown voltage of SMAJ20CA R3G?

    • The breakdown voltage of SMAJ20CA R3G is typically 22.2 volts at a test current of 1mA.

  3. What is the operating temperature range of SMAJ20CA R3G?

    • The operating temperature range of SMAJ20CA R3G is -55°C to +150°C.

  4. What is the clamping voltage of SMAJ20CA R3G?

    • The clamping voltage of SMAJ20CA R3G is 34.4 volts at a peak pulse current of 10A.

  5. What is the package type of SMAJ20CA R3G?

    • SMAJ20CA R3G comes in a DO-214AC (SMA) package.

  6. What are the typical applications for SMAJ20CA R3G?

    • SMAJ20CA R3G is commonly used in surge protection for sensitive electronics, such as telecommunications equipment, industrial controls, and automotive systems.

  7. What is the response time of SMAJ20CA R3G?

    • The response time of SMAJ20CA R3G is less than 1.0 nanosecond from 0V to BV min.

  8. What is the forward voltage drop of SMAJ20CA R3G?

    • The forward voltage drop of SMAJ20CA R3G is typically 26.7 volts at 3A.

  9. What is the reverse stand-off voltage of SMAJ20CA R3G?

    • The reverse stand-off voltage of SMAJ20CA R3G is 20 volts.

  10. Is SMAJ20CA R3G RoHS compliant?

    • Yes, SMAJ20CA R3G is RoHS compliant, making it suitable for use in environmentally friendly electronic products.