Vishay Semiconductor Diodes Division
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SMAJ18CA-M3/61
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SMAJ18CA-M3/61

Product Overview

Category: Electronic Component
Use: Voltage Suppression
Characteristics: Transient Voltage Suppressor Diode
Package: DO-214AC (SMA)
Essence: Protects sensitive electronic devices from voltage spikes
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Voltage - Reverse Standoff (Typ): 18V
  • Voltage - Breakdown (Min): 20V
  • Voltage - Clamping (Max) @ Ipp: 29.2V
  • Current - Peak Pulse (10/1000µs): 19.4A
  • Power - Peak Pulse: 400W
  • Type: Zener
  • Unidirectional: Yes
  • Polarity: Cathode

Detailed Pin Configuration

The SMAJ18CA-M3/61 has two pins: 1. Anode: Connects to the positive side of the circuit. 2. Cathode: Connects to the negative side of the circuit.

Functional Features

  • Provides protection against transient voltage events.
  • Fast response time.
  • Low clamping voltage.

Advantages and Disadvantages

Advantages: - High surge capability. - Compact size. - RoHS compliant.

Disadvantages: - Limited power dissipation capability. - Unidirectional protection only.

Working Principles

The SMAJ18CA-M3/61 operates by diverting excess current away from sensitive components when a voltage spike occurs. It acts as a voltage-controlled switch, turning on when the voltage exceeds its breakdown voltage and conducting current to protect the downstream circuitry.

Detailed Application Field Plans

This diode is commonly used in various electronic devices and systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • SMAJ5.0A: 5V reverse standoff voltage
  • SMAJ12A: 12V reverse standoff voltage
  • SMAJ24A: 24V reverse standoff voltage
  • SMAJ36A: 36V reverse standoff voltage

In conclusion, the SMAJ18CA-M3/61 is a reliable transient voltage suppressor diode with fast response time and high surge capability, making it suitable for a wide range of applications in various industries.

Word count: 347

تکنیکی حل میں SMAJ18CA-M3/61 کے اطلاق سے متعلق 10 عام سوالات اور جوابات کی فہرست بنائیں

  1. What is the maximum peak pulse power dissipation of SMAJ18CA-M3/61?

    • The maximum peak pulse power dissipation is 400 watts for a 10/1000 μs waveform.

  2. What is the breakdown voltage of SMAJ18CA-M3/61?

    • The breakdown voltage is 20 volts.

  3. What is the typical junction capacitance of SMAJ18CA-M3/61?

    • The typical junction capacitance is 150 picofarads.

  4. What are the applications of SMAJ18CA-M3/61 in technical solutions?

    • SMAJ18CA-M3/61 is commonly used for surge protection in various electronic equipment such as telecommunication systems, industrial controls, and automotive electronics.

  5. What is the operating temperature range of SMAJ18CA-M3/61?

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

  6. Does SMAJ18CA-M3/61 meet RoHS requirements?

    • Yes, SMAJ18CA-M3/61 is compliant with RoHS requirements.

  7. What is the package type of SMAJ18CA-M3/61?

    • SMAJ18CA-M3/61 comes in a DO-214AC (SMA) package.

  8. Is SMAJ18CA-M3/61 suitable for overvoltage protection in power supply circuits?

    • Yes, SMAJ18CA-M3/61 is suitable for overvoltage protection in power supply circuits.

  9. What is the clamping voltage of SMAJ18CA-M3/61?

    • The clamping voltage is 29.2 volts at 10A.

  10. Can SMAJ18CA-M3/61 be used for ESD protection in data lines?

    • Yes, SMAJ18CA-M3/61 can be used for ESD protection in data lines.

Feel free to ask if you need further assistance!