1N4912A

Product Overview

Use

It is commonly used in power supply and voltage regulation circuits.

Characteristics

Forward Voltage: 1V
Reverse Voltage: 200V
Forward Current: 1A
Reverse Recovery Time: 4ns

Package

The 1N4912A is available in a DO-41 package.

Essence

This diode is essential for converting alternating current (AC) to direct current (DC) in electronic circuits.

Packaging/Quantity

The 1N4912A is typically packaged in reels of 500 units.

Specifications

Forward Voltage Drop: 1V
Reverse Voltage: 200V
Maximum Continuous Forward Current: 1A
Peak Reverse Repetitive Voltage: 200V
Maximum Surge Current: 30A
Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The 1N4912A has two pins, anode and cathode. The anode is connected to the positive terminal of the circuit, while the cathode is connected to the negative terminal.

Functional Features

The 1N4912A acts as a one-way valve for electric current, allowing current to flow in only one direction.

Advantages and Disadvantages

Advantages

Low forward voltage drop
Fast reverse recovery time
High surge current capability

Disadvantages

Relatively high leakage current
Limited maximum operating temperature

Working Principles

When a positive voltage is applied to the anode with respect to the cathode, the diode allows current to flow. However, when the voltage is reversed, the diode blocks the current flow.

Detailed Application Field Plans

The 1N4912A is widely used in: - Power supply circuits - Voltage regulation circuits - Rectification circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4912A include: - 1N4001 - 1N4004 - 1N5408 - 1N5822

In conclusion, the 1N4912A silicon rectifier diode is a crucial component in electronic circuits, particularly in power supply and voltage regulation applications. Its low forward voltage drop, fast reverse recovery time, and high surge current capability make it a popular choice among engineers. However, its relatively high leakage current and limited maximum operating temperature should be considered when selecting this diode for specific applications.

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van 1N4912A in technische oplossingen

What is 1N4912A?
- 1N4912A is a silicon rectifier diode commonly used in electronic circuits for converting alternating current (AC) to direct current (DC).
What are the key specifications of 1N4912A?
- The 1N4912A diode has a maximum repetitive peak reverse voltage of 200 volts, a maximum average forward rectified current of 1 ampere, and a typical forward voltage drop of 1 volt at 1 ampere.
How is 1N4912A typically used in technical solutions?
- 1N4912A can be used in power supply circuits, voltage regulation, battery charging circuits, and general rectification applications.
What are the important considerations when using 1N4912A in a circuit?
- It's important to consider the maximum voltage and current requirements of the circuit, as well as the thermal characteristics and voltage drop across the diode.
Can 1N4912A be used in high-frequency applications?
- While 1N4912A can function at moderate frequencies, it may not be suitable for very high-frequency applications due to its inherent capacitance and switching speed limitations.
Are there any common failure modes associated with 1N4912A?
- Common failure modes include overheating due to excessive current, voltage spikes, or reverse voltage application, which can lead to diode breakdown.
What are some alternative diodes that can be used in place of 1N4912A?
- Alternatives include 1N400x series diodes, such as 1N4001, 1N4004, or 1N4007, which have similar voltage and current ratings.
Can 1N4912A be used in temperature-sensitive environments?
- 1N4912A has a specified operating temperature range, and care should be taken to ensure it operates within these limits in temperature-sensitive environments.
How does 1N4912A contribute to circuit efficiency?
- By providing efficient rectification of AC to DC, 1N4912A helps improve the overall efficiency of power supply and conversion circuits.
Where can I find detailed application notes for using 1N4912A in technical solutions?
- Detailed application notes can often be found in the datasheet provided by the manufacturer, as well as in technical reference manuals and application guides from semiconductor component suppliers.