1N946B

Product Overview

Use

It is commonly used in electronic circuits for rectification purposes, converting alternating current (AC) to direct current (DC).

Characteristics

Forward Voltage: 1V
Reverse Voltage: 200V
Current Rating: 1A
Fast Switching Speed
Low Leakage Current

Package

The 1N946B is typically available in a DO-41 package, which is a cylindrical glass package with axial leads.

Packaging/Quantity

It is commonly packaged in reels or tubes and is available in quantities ranging from hundreds to thousands per reel or tube.

Specifications

Maximum Forward Voltage: 1.0V
Maximum Reverse Voltage: 200V
Average Rectified Current: 1A
Maximum Surge Current: 30A
Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The 1N946B has two leads, anode, and cathode, with the anode being the positive terminal and the cathode being the negative terminal.

Functional Features

The 1N946B diode efficiently conducts current in one direction while blocking it in the opposite direction, making it suitable for rectification applications.

Advantages

Fast switching speed
Low forward voltage drop
High surge current capability

Disadvantages

Relatively high reverse recovery time
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. Conversely, when a negative voltage is applied, the diode blocks the current flow.

Detailed Application Field Plans

The 1N946B is widely used in power supply circuits, battery chargers, and DC power adapters due to its efficient rectification capabilities.

Detailed and Complete Alternative Models

Some alternative models to the 1N946B include: - 1N4001 - 1N4004 - 1N5408 - 1N5819

In conclusion, the 1N946B rectifier diode is a crucial component in electronic circuits, providing efficient rectification and reliable performance in various applications.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van 1N946B in technische oplossingen

What is 1N946B?
- 1N946B 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 1N946B?
- The 1N946B 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 1N946B typically used in technical solutions?
- 1N946B is often used in power supply circuits, voltage regulation, and signal demodulation applications due to its ability to efficiently convert AC to DC.
What are the important considerations when using 1N946B in a circuit?
- It's crucial to consider the maximum voltage and current requirements of the circuit, as well as the thermal characteristics of the diode to ensure proper heat dissipation.
Can 1N946B be used in high-frequency applications?
- No, 1N946B is not suitable for high-frequency applications due to its relatively slow recovery time.
Are there any alternative diodes that can be used in place of 1N946B?
- Yes, other silicon rectifier diodes with similar or higher voltage and current ratings can be used as alternatives to 1N946B.
What are the typical failure modes of 1N946B?
- Common failure modes include overvoltage breakdown, excessive forward current causing thermal damage, and reverse voltage breakdown.
Can 1N946B be used in temperature-sensitive environments?
- Yes, but it's important to consider the temperature coefficient of the diode and ensure proper heat sinking if operating in high-temperature environments.
What are the recommended storage and handling practices for 1N946B?
- It should be stored in a cool, dry environment and handled with appropriate ESD precautions to prevent damage from electrostatic discharge.
Where can I find detailed application notes and reference designs for using 1N946B in technical solutions?
- Manufacturers' datasheets, application notes, and online resources provide detailed information and reference designs for incorporating 1N946B into various technical solutions.