Diodes Incorporated
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SMAJ18CA-13
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SMAJ18CA-13

Product Overview

Belongs to: Electronic Components
Category: Diode
Use: Voltage Regulation and Transient Suppression
Characteristics: Fast response, Low leakage current
Package: DO-214AC
Essence: Protects sensitive electronic components from voltage spikes
Packaging/Quantity: Tape & Reel, 3000 units

Specifications

  • Voltage - Reverse Standoff (Typ): 18V
  • Voltage - Breakdown (Min): 20.2V
  • Voltage - Clamping (Max) @ Ipp: 29.2V
  • Current - Peak Pulse (10/1000µs): 19.4A
  • Power - Peak Pulse: 400W
  • Type: Zener
  • Polarity: Unidirectional

Detailed Pin Configuration

The SMAJ18CA-13 diode has two pins, with the anode connected to the positive side and the cathode connected to the negative side.

Functional Features

  • Fast response time
  • Low clamping voltage
  • High surge capability
  • RoHS compliant

Advantages and Disadvantages

Advantages: - Effective voltage regulation - Fast protection against transient surges - Compact size

Disadvantages: - Limited power dissipation capability - Unidirectional protection only

Working Principles

The SMAJ18CA-13 operates by diverting excess voltage away from sensitive electronic components when a transient surge occurs. It acts as a voltage regulator, ensuring that the voltage across the protected circuit does not exceed its breakdown voltage.

Detailed Application Field Plans

This diode is commonly used in electronic circuits to protect semiconductor devices from voltage transients induced by lightning, ESD, or other electrical disturbances. It is widely employed in telecommunications equipment, industrial control systems, and consumer electronics.

Detailed and Complete Alternative Models

  • Alternative Model 1: P6SMB18CA
  • Alternative Model 2: 1.5SMC18CA
  • Alternative Model 3: SMBJ18CA

Note: The information provided is based on the product's datasheet and industry standards.

Word Count: 314

Enumerați 10 întrebări și răspunsuri comune legate de aplicarea lui SMAJ18CA-13 în soluțiile tehnice

  1. What is SMAJ18CA-13 used for?

    • SMAJ18CA-13 is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum clamping voltage of SMAJ18CA-13?

    • The maximum clamping voltage of SMAJ18CA-13 is 29.2V at 10A.

  3. What is the peak pulse power of SMAJ18CA-13?

    • The peak pulse power of SMAJ18CA-13 is 400W for an 8/20μs waveform.

  4. What are the typical applications of SMAJ18CA-13?

    • SMAJ18CA-13 is commonly used in telecommunications equipment, industrial automation, consumer electronics, and automotive electronics to protect against voltage surges.

  5. What is the breakdown voltage of SMAJ18CA-13?

    • The breakdown voltage of SMAJ18CA-13 is 20V.

  6. Is SMAJ18CA-13 RoHS compliant?

    • Yes, SMAJ18CA-13 is RoHS compliant, making it suitable for use in environmentally conscious designs.

  7. What is the operating temperature range of SMAJ18CA-13?

    • SMAJ18CA-13 has an operating temperature range of -55°C to +150°C, making it suitable for a wide range of environments.

  8. Does SMAJ18CA-13 require a heat sink for operation?

    • No, SMAJ18CA-13 does not require a heat sink for normal operation due to its low power dissipation.

  9. Can SMAJ18CA-13 be used for surge protection in power supply units?

    • Yes, SMAJ18CA-13 is commonly used for surge protection in power supply units to safeguard sensitive circuitry from voltage transients.

  10. What is the package type of SMAJ18CA-13?

    • SMAJ18CA-13 is available in a DO-214AC (SMA) package, which is suitable for surface mount applications.