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SMAJ400A
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SMAJ400A

Product Overview

Belongs to: Diode
Category: TVS Diode
Use: Protection against transient voltage spikes
Characteristics: Fast response time, low clamping voltage
Package: DO-214AC (SMA)
Essence: Transient voltage suppression
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage: 440V
  • Operating Voltage: 350V
  • Reverse Standoff Voltage: 400V
  • Clamping Voltage: 648V
  • Maximum Surge Current: 14.5A

Detailed Pin Configuration

The SMAJ400A has two pins in a standard DO-214AC package.

Functional Features

  • Fast response to transient over-voltage events
  • Low clamping voltage for effective protection
  • High surge current capability

Advantages and Disadvantages

Advantages: - Effective protection against transient voltage spikes - Fast response time - Compact package size

Disadvantages: - Limited surge current handling compared to higher power TVS diodes - Higher clamping voltage than some alternative models

Working Principles

The SMAJ400A operates by diverting excess current away from sensitive electronic components when a transient voltage spike occurs. It rapidly clamps the voltage to a safe level, protecting downstream circuitry.

Detailed Application Field Plans

  • Industrial control systems
  • Automotive electronics
  • Telecommunication equipment
  • Power supplies
  • Consumer electronics

Detailed and Complete Alternative Models

  • SMAJ440A: Higher breakdown voltage
  • SMAJ380A: Lower clamping voltage
  • SMAJ500A: Higher peak pulse power

This completes the English editing encyclopedia entry structure format for SMAJ400A, providing comprehensive information about its product category, use, characteristics, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SMAJ400A i tekniska lösningar

  1. What is SMAJ400A?

    • SMAJ400A is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and transients.

  2. What is the maximum peak pulse power of SMAJ400A?

    • The maximum peak pulse power of SMAJ400A is 400 watts.

  3. What is the breakdown voltage of SMAJ400A?

    • The breakdown voltage of SMAJ400A is 400 volts.

  4. What are the typical applications of SMAJ400A?

    • SMAJ400A is commonly used in applications such as telecommunications equipment, industrial control systems, automotive electronics, and consumer electronics to protect against voltage surges.

  5. What is the operating temperature range of SMAJ400A?

    • The operating temperature range of SMAJ400A is typically -55°C to +150°C.

  6. What is the response time of SMAJ400A?

    • The response time of SMAJ400A is very fast, typically in the nanosecond range.

  7. Is SMAJ400A RoHS compliant?

    • Yes, SMAJ400A is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  8. What is the packaging type of SMAJ400A?

    • SMAJ400A is available in various surface mount packages such as SMB, SMC, and DO-214AC.

  9. What are the key features of SMAJ400A?

    • Some key features of SMAJ400A include low clamping voltage, high surge capability, and fast response time.

  10. How does SMAJ400A compare to other similar devices?

    • SMAJ400A offers a good balance of performance, size, and cost compared to other similar transient voltage suppressor diodes, making it a popular choice for many technical solutions.