Vishay Semiconductor Diodes Division
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SA33AHE3/73
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SA33AHE3/73

Product Overview

  • Belongs to: Electronic Components
  • Category: Voltage Regulator
  • Use: Regulates voltage in electronic circuits
  • Characteristics: High precision, low dropout voltage, small package size
  • Package: SOT-223
  • Essence: Provides stable voltage output
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage: 3.3V
  • Output Current: 500mA
  • Dropout Voltage: 300mV at 500mA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. Input
  2. Ground
  3. Output

Functional Features

  • Low dropout voltage
  • Thermal shutdown protection
  • Short-circuit current limit
  • Reverse battery protection

Advantages

  • Small package size
  • Wide input voltage range
  • Stable output voltage

Disadvantages

  • Limited output current
  • Sensitive to thermal conditions

Working Principles

The SA33AHE3/73 regulates the output voltage by comparing it with a reference voltage and adjusting the pass transistor to maintain a constant output.

Detailed Application Field Plans

  • Battery-powered devices
  • Portable electronics
  • Automotive applications

Detailed and Complete Alternative Models

  • LM1117
  • MCP1703
  • NCP1117

This comprehensive voltage regulator provides stable output voltage with high precision, making it suitable for various electronic applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SA33AHE3/73 en soluciones técnicas

  1. What is SA33AHE3/73?

    • SA33AHE3/73 is a Schottky diode, commonly used in electronic circuits for its low forward voltage drop and fast switching capabilities.

  2. What are the typical applications of SA33AHE3/73?

    • SA33AHE3/73 is commonly used in power supply circuits, voltage clamping circuits, reverse polarity protection, and signal detection circuits.

  3. What is the maximum forward voltage drop of SA33AHE3/73?

    • The maximum forward voltage drop of SA33AHE3/73 is typically around 0.45V at a forward current of 3A.

  4. What is the reverse voltage rating of SA33AHE3/73?

    • SA33AHE3/73 has a reverse voltage rating of 30V, making it suitable for low to medium voltage applications.

  5. What is the maximum forward current rating of SA33AHE3/73?

    • The maximum forward current rating of SA33AHE3/73 is 3A, which makes it suitable for handling moderate power levels.

  6. Can SA33AHE3/73 be used for high-frequency applications?

    • Yes, SA33AHE3/73 is suitable for high-frequency applications due to its fast switching characteristics and low junction capacitance.

  7. Does SA33AHE3/73 require a heat sink for operation?

    • In most typical applications, SA33AHE3/73 does not require a heat sink due to its low forward voltage drop and efficient thermal characteristics.

  8. Is SA33AHE3/73 suitable for automotive electronics?

    • Yes, SA33AHE3/73 is commonly used in automotive electronics for various applications such as voltage regulation and protection circuits.

  9. What are the package options available for SA33AHE3/73?

    • SA33AHE3/73 is available in various packages including SMA, SMB, and SMC, providing flexibility for different circuit designs.

  10. Are there any recommended operating conditions for SA33AHE3/73?

    • It is recommended to operate SA33AHE3/73 within a temperature range of -65°C to +125°C and to stay within the specified maximum ratings for voltage and current.