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1N4740A BK

1N4740A BK - Semiconductor Diode

Product Overview

Category:

The 1N4740A BK belongs to the category of semiconductor diodes.

Use:

It is commonly used as a voltage regulator in various electronic circuits.

Characteristics:

  • Forward Voltage: 1.0V
  • Reverse Voltage: 20V
  • Power Dissipation: 1.0W
  • Operating Temperature Range: -65°C to +200°C

Package:

The 1N4740A BK is typically available in a DO-41 axial leaded package.

Essence:

This diode serves as a crucial component in regulating voltage within electronic devices and circuits.

Packaging/Quantity:

It is usually packaged in reels, tubes, or bulk quantities depending on the manufacturer's specifications.

Specifications

  • Manufacturer: [Insert Manufacturer Name]
  • Part Number: 1N4740A BK
  • Type: Zener Diode
  • Voltage Tolerance: ±5%
  • Maximum Reverse Leakage Current: 5μA
  • Maximum Zener Impedance: 10Ω

Detailed Pin Configuration

The 1N4740A BK has two leads with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

  • Voltage Regulation: The diode maintains a constant voltage across its terminals, ensuring stability in the circuit.
  • Overvoltage Protection: It prevents damage to sensitive components by limiting the voltage across the circuit.

Advantages and Disadvantages

Advantages

  • Precise Voltage Regulation
  • Compact Size
  • Low Power Dissipation

Disadvantages

  • Limited Current Handling Capacity
  • Sensitivity to Temperature Changes

Working Principles

The 1N4740A BK operates based on the principle of the Zener effect, where it allows current to flow in reverse bias once the breakdown voltage is reached, effectively maintaining a constant voltage drop across its terminals.

Detailed Application Field Plans

Voltage Regulation

The diode can be used in power supplies, voltage regulators, and battery charging circuits to maintain a stable output voltage.

Overvoltage Protection

It is employed in electronic devices to protect sensitive components from voltage spikes and surges.

Detailed and Complete Alternative Models

  • 1N4733A BK
  • 1N4734A BK
  • 1N4735A BK
  • 1N4736A BK
  • 1N4737A BK

These alternative models offer similar voltage regulation and characteristics, providing flexibility in design and application.


This content provides a comprehensive overview of the 1N4740A BK semiconductor diode, covering its basic information, specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

技術ソリューションにおける 1N4740A BK 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 1N4740A BK?

    • The 1N4740A BK is a 10V Zener diode designed for voltage regulation and protection in electronic circuits.
  2. What are the key specifications of the 1N4740A BK?

    • The 1N4740A BK has a voltage rating of 10V, a power dissipation of 1W, and a tolerance of 5%.
  3. How can I use the 1N4740A BK in my circuit?

    • You can use the 1N4740A BK as a voltage regulator to maintain a stable 10V output in your circuit.
  4. What are the typical applications of the 1N4740A BK?

    • The 1N4740A BK is commonly used in power supplies, voltage regulators, and protection circuits.
  5. How do I connect the 1N4740A BK in my circuit?

    • The 1N4740A BK is typically connected in parallel with the load to regulate the voltage across it.
  6. What is the maximum current the 1N4740A BK can handle?

    • The 1N4740A BK can handle a maximum current of 100mA.
  7. Can I use the 1N4740A BK for overvoltage protection?

    • Yes, the 1N4740A BK can be used to protect sensitive components from overvoltage by shunting excess voltage to ground.
  8. What are the temperature considerations for the 1N4740A BK?

    • The 1N4740A BK has an operating temperature range of -65°C to +200°C.
  9. Are there any alternatives to the 1N4740A BK?

    • Yes, similar Zener diodes with different voltage ratings are available, such as the 1N4739A BK (9.1V) and the 1N4741A BK (11V).
  10. Where can I purchase the 1N4740A BK?

    • The 1N4740A BK can be purchased from electronic component suppliers, both online and in physical stores.