Vishay Semiconductor Diodes Division
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SMAJ20HE3/61
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SMAJ20HE3/61

Product Overview

Category: Diode
Use: Voltage clamping
Characteristics: High surge capability, low leakage current
Package: DO-214AC (SMA)
Essence: Transient voltage suppressor diode
Packaging/Quantity: Tape & Reel / 3000 units per reel

Specifications

  • Voltage - Reverse Standoff (Typ): 20V
  • Voltage - Breakdown (Min): 22.2V
  • Voltage - Clamping (Max) @ Ipp: 32.4V
  • Current - Peak Pulse (10/1000µs): 34.4A
  • Power - Peak Pulse: 400W
  • Type: Zener
  • Unidirectional: Yes

Detailed Pin Configuration

The SMAJ20HE3/61 diode has two pins in the DO-214AC package.

Functional Features

  • Provides protection against transient voltage spikes
  • Low clamping voltage
  • Fast response time

Advantages and Disadvantages

Advantages: - High surge capability - Low leakage current - Compact size

Disadvantages: - Limited power dissipation capability - Unidirectional protection only

Working Principles

The SMAJ20HE3/61 operates by diverting excessive voltage away from sensitive components, thereby protecting them from damage caused by transient voltage spikes.

Detailed Application Field Plans

This diode is commonly used in electronic circuits to protect sensitive components such as integrated circuits, transistors, and other semiconductor devices from voltage surges induced by lightning, electromagnetic pulses, or other transient events.

Detailed and Complete Alternative Models

  1. P6KE20CA: Similar specifications and package type
  2. 1.5KE20A: Higher power dissipation capability
  3. SMBJ20A: Smaller footprint, similar characteristics

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMAJ20HE3/61 en soluciones técnicas

  1. What is the SMAJ20HE3/61?

    • The SMAJ20HE3/61 is a surface mount transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum peak pulse power of the SMAJ20HE3/61?

    • The maximum peak pulse power of the SMAJ20HE3/61 is 400 watts.

  3. What is the breakdown voltage of the SMAJ20HE3/61?

    • The breakdown voltage of the SMAJ20HE3/61 is 20 volts.

  4. What are the typical applications of the SMAJ20HE3/61?

    • The SMAJ20HE3/61 is commonly used in applications such as telecommunications equipment, industrial control systems, automotive electronics, and consumer electronics for transient voltage suppression.

  5. What is the operating temperature range of the SMAJ20HE3/61?

    • The operating temperature range of the SMAJ20HE3/61 is -55°C to +150°C.

  6. What is the reverse stand-off voltage of the SMAJ20HE3/61?

    • The reverse stand-off voltage of the SMAJ20HE3/61 is 17.1 volts.

  7. Does the SMAJ20HE3/61 comply with RoHS requirements?

    • Yes, the SMAJ20HE3/61 is compliant with RoHS (Restriction of Hazardous Substances) requirements.

  8. What is the package type of the SMAJ20HE3/61?

    • The SMAJ20HE3/61 comes in a DO-214AC (SMA) package.

  9. Is the SMAJ20HE3/61 suitable for high-speed data line protection?

    • Yes, the SMAJ20HE3/61 is suitable for high-speed data line protection due to its fast response time and low clamping voltage.

  10. Can the SMAJ20HE3/61 be used for overvoltage protection in power supply circuits?

    • Yes, the SMAJ20HE3/61 can be used for overvoltage protection in power supply circuits to safeguard sensitive components from voltage surges.