Microsemi Corporation
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1N5918A G
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1N5918A G

Product Overview

Category

The 1N5918A G is a Zener diode, which falls under the category of semiconductor devices.

Use

It is commonly used for voltage regulation and protection in electronic circuits.

Characteristics

  • Voltage: 27V
  • Power Dissipation: 5W
  • Package Type: DO-41
  • Operating Temperature: -65°C to +200°C

Packaging/Quantity

The 1N5918A G is typically available in bulk packaging with quantities varying based on supplier and customer requirements.

Specifications

  • Voltage: 27V
  • Power Dissipation: 5W
  • Zener Impedance: 10Ω
  • Maximum Reverse Leakage Current: 5μA
  • Operating Temperature Range: -65°C to +200°C

Detailed Pin Configuration

The 1N5918A G has a standard DO-41 package with two leads. The anode is connected to the positive terminal, and the cathode is connected to the negative terminal.

Functional Features

The 1N5918A G operates as a voltage regulator by maintaining a constant output voltage across its terminals, even when there are variations in input voltage or load conditions.

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • High power dissipation capability
  • Wide operating temperature range

Disadvantages

  • Limited voltage options compared to other Zener diodes
  • Sensitive to temperature fluctuations

Working Principles

When the voltage across the 1N5918A G exceeds its rated value, it begins to conduct current in the reverse direction, effectively clamping the voltage to its specified value.

Detailed Application Field Plans

The 1N5918A G is commonly used in: - Voltage regulators - Overvoltage protection circuits - Power supplies - Electronic equipment requiring stable voltage references

Detailed and Complete Alternative Models

Some alternative models to the 1N5918A G include: - 1N4732A (4.7V) - 1N4742A (12V) - 1N5822 (20V)

In conclusion, the 1N5918A G Zener diode is a reliable component for voltage regulation and protection in various electronic applications, offering precise regulation and high power dissipation capabilities. While it has limitations in terms of voltage options and sensitivity to temperature, its wide operating temperature range makes it suitable for diverse environments.

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기술 솔루션에 1N5918A G 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is the maximum voltage rating of 1N5918A G?

    • The maximum voltage rating of 1N5918A G is 30 volts.

  2. What is the forward current rating of 1N5918A G?

    • The forward current rating of 1N5918A G is 1.5 amps.

  3. What is the typical voltage drop across 1N5918A G?

    • The typical voltage drop across 1N5918A G is 0.6 volts at 1 amp.

  4. What are the typical applications of 1N5918A G?

    • 1N5918A G is commonly used in voltage regulation, reverse polarity protection, and general purpose rectification.

  5. What is the operating temperature range of 1N5918A G?

    • The operating temperature range of 1N5918A G is -65°C to +175°C.

  6. Is 1N5918A G suitable for high-frequency applications?

    • No, 1N5918A G is not recommended for high-frequency applications due to its relatively slow recovery time.

  7. Can 1N5918A G be used in automotive electronics?

    • Yes, 1N5918A G can be used in automotive electronics for various rectification and voltage regulation purposes.

  8. Does 1N5918A G require a heat sink for certain applications?

    • Yes, for high current or high power applications, it is recommended to use a heat sink with 1N5918A G to dissipate heat effectively.

  9. What is the reverse leakage current of 1N5918A G at its maximum rated voltage?

    • The reverse leakage current of 1N5918A G at its maximum rated voltage is typically less than 5µA.

  10. Is 1N5918A G RoHS compliant?

    • Yes, 1N5918A G is RoHS compliant, making it suitable for use in environmentally sensitive applications.