Vishay Semiconductor Diodes Division
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SMBJ48-E3/52
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SMBJ48-E3/52

Product Overview

The SMBJ48-E3/52 belongs to the category of transient voltage suppressor diodes. These diodes are commonly used to protect sensitive electronic components from voltage spikes and transients. The SMBJ48-E3/52 is characterized by its high surge capability, low clamping voltage, and compact package size. It is typically available in a DO-214AA (SMB) package and is designed to provide effective protection for a wide range of electronic devices.

Basic Information

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage spikes and transients
  • Characteristics: High surge capability, low clamping voltage
  • Package: DO-214AA (SMB)
  • Essence: Safeguarding sensitive electronic components
  • Packaging/Quantity: Typically supplied in reels or tubes, quantity varies by manufacturer

Specifications

  • Part Number: SMBJ48-E3/52
  • Peak Pulse Power: 600 Watts
  • Breakdown Voltage Range: 53.3V to 58.9V
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ48-E3/52 follows the standard pin configuration for diodes, with two leads for connection. The anode and cathode terminals are clearly marked on the device for easy identification and proper installation.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient overvoltage to protect downstream components.
  • Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the protected circuitry.
  • Low Leakage Current: Maintains minimal leakage current during normal operation.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Compact form factor for space-constrained applications
  • Fast response time for rapid protection

Disadvantages

  • Limited to specific voltage ranges
  • May require additional circuitry for comprehensive surge protection

Working Principles

The SMBJ48-E3/52 operates based on the principle of avalanche breakdown. When a voltage transient occurs, the diode rapidly conducts, diverting excess energy away from the protected circuit. This action effectively limits the voltage across the load, preventing damage to sensitive components.

Detailed Application Field Plans

The SMBJ48-E3/52 is widely used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Its application extends to any system where protection against voltage transients is essential.

Detailed and Complete Alternative Models

  • 1. P6KE51CA
  • 2. 1.5KE56A
  • 3. SA5.0CA

These alternative models offer similar transient voltage suppression capabilities and can be considered as substitutes for the SMBJ48-E3/52 in different applications.

In conclusion, the SMBJ48-E3/52 transient voltage suppressor diode provides robust protection against voltage spikes and transients, making it an essential component in various electronic systems. Its compact design, high surge capability, and fast response time make it a valuable asset in safeguarding sensitive components from potential damage.

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技術ソリューションにおける SMBJ48-E3/52 の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the SMBJ48-E3/52?

    • The SMBJ48-E3/52 is a surface mount transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum working voltage of the SMBJ48-E3/52?

    • The maximum working voltage of the SMBJ48-E3/52 is 48 volts.

  3. What is the peak pulse power dissipation of the SMBJ48-E3/52?

    • The peak pulse power dissipation of the SMBJ48-E3/52 is typically 600 watts.

  4. What are the typical applications of the SMBJ48-E3/52?

    • The SMBJ48-E3/52 is commonly used in applications such as telecommunications equipment, industrial automation, power supplies, and automotive electronics to protect against voltage surges and transients.

  5. What is the clamping voltage of the SMBJ48-E3/52?

    • The clamping voltage of the SMBJ48-E3/52 is the voltage at which it starts to conduct significantly and suppress the transient voltage. It is typically around 77.4 volts for the SMBJ48-E3/52.

  6. What is the operating temperature range of the SMBJ48-E3/52?

    • The SMBJ48-E3/52 has an operating temperature range of -55°C to +150°C, making it suitable for a wide range of environmental conditions.

  7. How does the SMBJ48-E3/52 provide protection?

    • The SMBJ48-E3/52 diverts excessive current away from sensitive components by providing a low-impedance path to ground during transient events, thereby protecting the circuitry.

  8. Is the SMBJ48-E3/52 RoHS compliant?

    • Yes, the SMBJ48-E3/52 is compliant with the Restriction of Hazardous Substances (RoHS) directive, making it environmentally friendly.

  9. Can the SMBJ48-E3/52 be used for surge protection in power supply units?

    • Yes, the SMBJ48-E3/52 is commonly used for surge protection in power supply units to safeguard against voltage spikes and transients.

  10. What are the key features of the SMBJ48-E3/52?

    • The key features of the SMBJ48-E3/52 include its low clamping voltage, fast response time, compact size, and high surge capability, making it an effective solution for transient voltage suppression in various technical applications.