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SMBJ85HE3/5B
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SMBJ85HE3/5B

Product Overview

The SMBJ85HE3/5B belongs to the category of transient voltage suppressor diodes (TVS diodes) and is commonly used for surge protection in electronic circuits. These diodes are characterized by their high surge capability, fast response time, and low clamping voltage. The SMBJ85HE3/5B is typically packaged in a compact, surface-mount design, making it suitable for various applications where space is limited. Each package contains a specific quantity of diodes, usually ranging from hundreds to thousands, depending on the manufacturer's specifications.

Specifications

  • Part Number: SMBJ85HE3/5B
  • Category: Transient Voltage Suppressor Diode
  • Voltage Rating: 85V
  • Package Type: SMB
  • Peak Pulse Power: 600W
  • Operating Temperature Range: -55°C to +150°C
  • RoHS Compliant: Yes

Detailed Pin Configuration

The SMBJ85HE3/5B TVS diode typically features a standard SMB package with two pins for surface-mount soldering. The pin configuration follows the industry-standard layout for SMB diodes, with one pin designated as the anode and the other as the cathode.

Functional Features

  • Fast response time to transient voltage spikes
  • Low clamping voltage to protect sensitive electronic components
  • High surge capability for reliable surge protection

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Compact surface-mount package for space-constrained applications
  • RoHS compliant, ensuring environmental friendliness

Disadvantages

  • Limited maximum clamping voltage compared to some higher-rated TVS diodes
  • May require additional circuitry for comprehensive overvoltage protection in some applications

Working Principles

The SMBJ85HE3/5B operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when subjected to a voltage transient, diverting the surge energy away from sensitive components. This action effectively limits the voltage across the protected circuit, safeguarding it from damage.

Detailed Application Field Plans

The SMBJ85HE3/5B is widely used in various electronic systems and equipment, including: - Power supplies - Communication systems - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • 1. P6KE85CA - 85V TVS Diode, DO-15 Package
  • 2. SMAJ85A - 85V TVS Diode, SMA Package
  • 3. 1.5KE85A - 85V TVS Diode, DO-201 Package
  • 4. SMCJ85A - 85V TVS Diode, SMC Package

In conclusion, the SMBJ85HE3/5B transient voltage suppressor diode offers effective surge protection in a compact, surface-mount package, making it suitable for a wide range of electronic applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SMBJ85HE3/5B i tekniska lösningar

  1. What is the SMBJ85HE3/5B?

    • The SMBJ85HE3/5B 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 SMBJ85HE3/5B?

    • The maximum peak pulse power of the SMBJ85HE3/5B is 600 watts.

  3. What is the breakdown voltage of the SMBJ85HE3/5B?

    • The breakdown voltage of the SMBJ85HE3/5B is 85 volts.

  4. In what applications can the SMBJ85HE3/5B be used?

    • The SMBJ85HE3/5B can be used in various applications such as telecommunications equipment, industrial equipment, and automotive electronics for transient voltage suppression.

  5. What is the operating temperature range of the SMBJ85HE3/5B?

    • The operating temperature range of the SMBJ85HE3/5B is -55°C to +150°C.

  6. What is the response time of the SMBJ85HE3/5B?

    • The response time of the SMBJ85HE3/5B is very fast, typically responding within nanoseconds to clamp transient voltages.

  7. Is the SMBJ85HE3/5B RoHS compliant?

    • Yes, the SMBJ85HE3/5B is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  8. What is the package type of the SMBJ85HE3/5B?

    • The SMBJ85HE3/5B comes in a DO-214AA (SMB) package.

  9. Can the SMBJ85HE3/5B be used for overvoltage protection in power supply circuits?

    • Yes, the SMBJ85HE3/5B is commonly used for overvoltage protection in power supply circuits to safeguard sensitive components.

  10. What are the key features of the SMBJ85HE3/5B?

    • The key features of the SMBJ85HE3/5B include low clamping voltage, fast response time, and high surge capability, making it ideal for transient voltage suppression in various technical solutions.