1N4947-TP

Product Overview

Category

The 1N4947-TP is a rectifier diode, belonging to the semiconductor components category.

Use

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

Characteristics

• Forward Voltage: 1V
• Reverse Voltage: 1000V
• Forward Current: 1A
• Reverse Recovery Time: 8ns

Package

The 1N4947-TP is typically available in a DO-41 package.

Packaging/Quantity

It is often sold in reels or bulk packaging, with quantities varying based on supplier and customer requirements.

Specifications

• Maximum Average Forward Current: 1A
• Peak Repetitive Reverse Voltage: 1000V
• Maximum Reverse Current: 5µA
• Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The 1N4947-TP has two pins, anode and cathode, which are identified by a band on the body of the diode. The anode is connected to the positive side of the circuit, while the cathode is connected to the negative side.

Functional Features

The 1N4947-TP acts as a one-way valve for electric current, allowing current to flow in only one direction.

Advantages and Disadvantages

Advantages

• High voltage capability
• Fast reverse recovery time
• Low forward voltage drop

Disadvantages

• Relatively high reverse leakage current
• Susceptible to thermal runaway at high currents

Working Principles

When a positive voltage is applied to the anode and a negative voltage to the cathode, the diode conducts current. In reverse bias, the diode blocks current flow.

Detailed Application Field Plans

The 1N4947-TP is widely used in power supplies, battery chargers, and other electronic devices requiring AC to DC conversion. It is also utilized in voltage regulation circuits and signal demodulation.

Detailed and Complete Alternative Models

• 1N4001: Similar characteristics, lower voltage rating
• 1N5408: Higher voltage rating, larger physical size
• 1N5819: Schottky diode with lower forward voltage drop

In conclusion, the 1N4947-TP rectifier diode is a crucial component in various electronic applications due to its ability to efficiently convert AC to DC. Its high voltage capability and fast recovery time make it suitable for diverse circuit designs, although its reverse leakage current and susceptibility to thermal issues should be considered in certain applications.

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