Littelfuse Inc.
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SMBJ120CA
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SMBJ120CA

Product Overview

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

Specifications

  • Voltage - Reverse Standoff (Typ): 120V
  • Voltage - Breakdown (Min): 133V
  • Voltage - Clamping (Max) @ Ipp: 193V
  • Current - Peak Pulse (10/1000µs): 5.8A
  • Power - Peak Pulse: 600W
  • Type: Zener
  • Unidirectional: Yes

Detailed Pin Configuration

The SMBJ120CA has two pins in a standard DO-214AA package.

Functional Features

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

Advantages and Disadvantages

Advantages: - Provides effective protection against transient voltage events - Fast reaction time to voltage spikes - Compact size for easy integration into circuit designs

Disadvantages: - Limited to unidirectional protection - May require additional components for bidirectional protection

Working Principles

The SMBJ120CA operates by diverting excess voltage away from sensitive electronic components when a transient voltage event occurs. It rapidly clamps the voltage to a safe level, protecting the downstream circuitry.

Detailed Application Field Plans

The SMBJ120CA is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  1. SMBJ5.0CA: 5V reverse standoff voltage
  2. SMBJ15CA: 15V reverse standoff voltage
  3. SMBJ30CA: 30V reverse standoff voltage
  4. SMBJ58CA: 58V reverse standoff voltage
  5. SMBJ110CA: 110V reverse standoff voltage

In conclusion, the SMBJ120CA is a reliable transient voltage suppressor diode that offers fast response times and high surge capability, making it an essential component for protecting sensitive electronic devices from voltage spikes.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMBJ120CA en soluciones técnicas

  1. What is the SMBJ120CA?

    • The SMBJ120CA is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum working voltage of the SMBJ120CA?

    • The SMBJ120CA has a maximum working voltage of 120 volts.

  3. What is the peak pulse power dissipation of the SMBJ120CA?

    • The peak pulse power dissipation of the SMBJ120CA is 600 watts.

  4. What are the typical applications of the SMBJ120CA?

    • The SMBJ120CA is commonly used in applications such as power supplies, telecommunications equipment, automotive electronics, and industrial controls to protect against voltage transients.

  5. What is the clamping voltage of the SMBJ120CA?

    • The clamping voltage of the SMBJ120CA is 193 volts at 1 ampere.

  6. What is the operating temperature range of the SMBJ120CA?

    • The SMBJ120CA has an operating temperature range of -55°C to 150°C.

  7. What is the response time of the SMBJ120CA?

    • The response time of the SMBJ120CA is very fast, typically less than 1 picosecond.

  8. Is the SMBJ120CA RoHS compliant?

    • Yes, the SMBJ120CA is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  9. Can the SMBJ120CA be used for surge protection in power supply units?

    • Yes, the SMBJ120CA is suitable for surge protection in power supply units and can help safeguard sensitive components from voltage surges.

  10. What are the packaging options available for the SMBJ120CA?

    • The SMBJ120CA is available in various package types, including DO-214AA (SMB) and DO-214AB (SMC), providing flexibility for different application requirements.