Microsemi Corporation
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SMAJ4479CE3/TR13
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SMAJ4479CE3/TR13

Product Overview

  • Category: Diode
  • Use: Voltage clamping
  • Characteristics: Low leakage current, fast response time
  • Package: DO-214AC (SMA)
  • Essence: Transient voltage suppressor diode
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage: 77.4V
  • Clamping Voltage: 124V
  • Leakage Current: 1µA
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ4479CE3/TR13 has two pins in a standard DO-214AC package.

Functional Features

  • Provides protection against voltage transients
  • Fast response time ensures minimal damage to protected circuits
  • Low clamping voltage for effective suppression of transient voltages

Advantages and Disadvantages

Advantages: - High peak pulse power handling capability - Low leakage current - Compact package size

Disadvantages: - Limited breakdown voltage compared to some other diodes - Sensitive to reverse voltage polarity

Working Principles

The SMAJ4479CE3/TR13 operates by diverting excess transient voltage away from sensitive components in a circuit, thereby protecting them from damage. When the voltage exceeds the breakdown voltage, the diode conducts and clamps the voltage to a safe level.

Detailed Application Field Plans

This diode is commonly used in electronic circuits where protection against voltage transients is required, such as in power supplies, communication equipment, and automotive electronics.

Detailed and Complete Alternative Models

  • Alternative Model 1: P6KE440CA
  • Alternative Model 2: 1.5KE51CA
  • Alternative Model 3: SMBJ440CA

In conclusion, the SMAJ4479CE3/TR13 is a reliable transient voltage suppressor diode with excellent clamping characteristics and low leakage current, making it suitable for a wide range of applications requiring robust transient voltage protection.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMAJ4479CE3/TR13 v technických řešeních

  1. What is SMAJ4479CE3/TR13?

    • SMAJ4479CE3/TR13 is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and transients.

  2. What is the maximum working voltage of SMAJ4479CE3/TR13?

    • The maximum working voltage of SMAJ4479CE3/TR13 is 77.4V.

  3. What is the peak pulse power of SMAJ4479CE3/TR13?

    • The peak pulse power of SMAJ4479CE3/TR13 is 400W.

  4. What are the typical applications of SMAJ4479CE3/TR13?

    • SMAJ4479CE3/TR13 is commonly used in applications such as power supplies, telecommunications equipment, automotive electronics, and industrial controls to protect against voltage surges.

  5. What is the clamping voltage of SMAJ4479CE3/TR13?

    • The clamping voltage of SMAJ4479CE3/TR13 is 90.9V at 10A.

  6. What is the operating temperature range of SMAJ4479CE3/TR13?

    • The operating temperature range of SMAJ4479CE3/TR13 is -55°C to +150°C.

  7. How does SMAJ4479CE3/TR13 provide protection?

    • SMAJ4479CE3/TR13 diverts excessive current away from sensitive components by providing a low-impedance path to ground during voltage transients.

  8. Is SMAJ4479CE3/TR13 RoHS compliant?

    • Yes, SMAJ4479CE3/TR13 is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  9. Can SMAJ4479CE3/TR13 be used for ESD protection?

    • Yes, SMAJ4479CE3/TR13 can be used for electrostatic discharge (ESD) protection in various electronic circuits.

  10. What are the packaging options available for SMAJ4479CE3/TR13?

    • SMAJ4479CE3/TR13 is available in various package types, including DO-214AC (SMA) and DO-214AB (SMC), offering flexibility for different design requirements.