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1N4746A R1G
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1N4746A R1G

Product Overview

Category

The 1N4746A R1G belongs to the category of Zener diodes.

Use

It is commonly used for voltage regulation and voltage reference applications.

Characteristics

  • Zener voltage: 18V
  • Power dissipation: 1.0W
  • Package type: DO-41
  • RoHS compliant

Packaging/Quantity

The 1N4746A R1G is typically available in tape and reel packaging with quantities varying based on supplier and customer requirements.

Specifications

  • Zener voltage: 18V
  • Power dissipation: 1.0W
  • Maximum forward voltage: 1.2V
  • Operating temperature range: -65°C to +200°C

Detailed Pin Configuration

The 1N4746A R1G has two pins, with the anode connected to the positive side and the cathode connected to the negative side.

Functional Features

  • Precise voltage regulation
  • Low impedance
  • Fast response time

Advantages and Disadvantages

Advantages

  • Reliable voltage regulation
  • Wide operating temperature range
  • RoHS compliant

Disadvantages

  • Limited power dissipation capability
  • Sensitive to temperature variations

Working Principles

The 1N4746A R1G operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

The 1N4746A R1G is widely used in: - Voltage regulators - Power supplies - Voltage reference circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4746A R1G include: - 1N4732A - 1N4733A - 1N4734A

In conclusion, the 1N4746A R1G Zener diode is a reliable component for voltage regulation and reference applications, offering precise voltage control and low impedance. While it has limitations in power dissipation and sensitivity to temperature, it remains a popular choice in various electronic circuits.

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10個與1N4746A R1G在技術方案中應用相關的常見問題與解答

  1. What is the 1N4746A R1G?

    • The 1N4746A R1G is a 1W Zener diode with a voltage rating of 18V.

  2. What are the typical applications of the 1N4746A R1G?

    • It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.

  3. What is the maximum power dissipation of the 1N4746A R1G?

    • The maximum power dissipation is 1 watt.

  4. What is the operating temperature range for the 1N4746A R1G?

    • The operating temperature range is typically -65°C to +200°C.

  5. What is the voltage tolerance of the 1N4746A R1G?

    • The voltage tolerance is ±5%.

  6. Can the 1N4746A R1G be used for reverse polarity protection?

    • Yes, it can be used for reverse polarity protection due to its Zener diode characteristics.

  7. What is the forward voltage drop of the 1N4746A R1G?

    • The forward voltage drop is typically 1.2V at 200mA.

  8. Is the 1N4746A R1G suitable for low voltage applications?

    • No, it is not suitable for low voltage applications due to its relatively high voltage rating.

  9. Can the 1N4746A R1G be used in automotive electronics?

    • Yes, it can be used in automotive electronics for voltage regulation and protection.

  10. What are some common alternatives to the 1N4746A R1G?

    • Common alternatives include other Zener diodes with similar voltage ratings such as 1N4746, BZX85C18, and 18V Zener diode arrays.