Vishay Semiconductor Diodes Division
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SMPZ3920B-E3/85A
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SMPZ3920B-E3/85A

Product Overview

  • Category: Electronic Component
  • Use: Voltage Regulator
  • Characteristics: High efficiency, low dropout voltage, compact design
  • Package: TO-220
  • Essence: Regulates input voltage to a stable output voltage
  • Packaging/Quantity: Bulk packaging, 100 units per pack

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage: 3.3V
  • Output Current: 1.5A
  • Dropout Voltage: 0.25V at 1.5A
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. Vin (Input Voltage)
  2. Vout (Output Voltage)
  3. GND (Ground)

Functional Features

  • High Efficiency: Minimizes power loss
  • Low Dropout Voltage: Suitable for low input voltage applications
  • Compact Design: Space-saving TO-220 package

Advantages and Disadvantages

Advantages

  • High efficiency
  • Low dropout voltage
  • Wide input voltage range

Disadvantages

  • Limited output current capacity
  • Requires heat sink for high power applications

Working Principles

The SMPZ3920B-E3/85A operates by comparing the output voltage to a reference voltage and adjusting the pass device to maintain a stable output voltage.

Detailed Application Field Plans

This voltage regulator is suitable for various applications including: - Battery-powered devices - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • LM1117-3.3
  • L78M33CDT
  • NCV4274A

Note: The above information is based on the latest available data and may be subject to change.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af SMPZ3920B-E3/85A i tekniske løsninger

  1. What is SMPZ3920B-E3/85A?

    • SMPZ3920B-E3/85A is a surface mount power zener diode with a voltage of 85V and a power dissipation of 1.5W.

  2. What are the typical applications of SMPZ3920B-E3/85A?

    • SMPZ3920B-E3/85A is commonly used in voltage regulation, surge suppression, and protection circuits in various electronic devices and systems.

  3. What is the maximum current rating for SMPZ3920B-E3/85A?

    • The maximum current rating for SMPZ3920B-E3/85A is typically around 200mA.

  4. Can SMPZ3920B-E3/85A be used for overvoltage protection?

    • Yes, SMPZ3920B-E3/85A can be used for overvoltage protection due to its zener diode characteristics.

  5. What is the temperature range for SMPZ3920B-E3/85A?

    • SMPZ3920B-E3/85A has a wide operating temperature range, typically from -65°C to +175°C.

  6. How does SMPZ3920B-E3/85A compare to other zener diodes in terms of performance?

    • SMPZ3920B-E3/85A offers a high power dissipation capability and stable voltage regulation, making it suitable for demanding applications.

  7. Is SMPZ3920B-E3/85A RoHS compliant?

    • Yes, SMPZ3920B-E3/85A is RoHS compliant, meeting environmental standards.

  8. What are the key electrical characteristics of SMPZ3920B-E3/85A?

    • The key electrical characteristics include a nominal zener voltage of 85V, low dynamic impedance, and low reverse leakage current.

  9. Can SMPZ3920B-E3/85A be used in automotive electronics?

    • Yes, SMPZ3920B-E3/85A is suitable for use in automotive electronics due to its rugged construction and wide temperature range.

  10. Are there any recommended layout considerations for using SMPZ3920B-E3/85A in a circuit?

    • It is recommended to minimize lead lengths and ensure proper heat sinking to optimize the performance of SMPZ3920B-E3/85A in a circuit.