1N5819 Diode (Pack of 5) Documentation

Component Name

1N5819 Diode (Pack of 5)

Description

The 1N5819 is a Schottky barrier rectifier diode, a type of semiconductor device widely used in electronic circuits for voltage rectification, voltage regulation, and protection. This component is a pack of 5 diodes, each with its own set of characteristics and features.

Functionality

The primary function of the 1N5819 diode is to convert alternating current (AC) to direct current (DC) in electronic circuits. It can also be used to regulate voltage levels, protect electronic components from overvoltage, and provide a low-loss, high-speed switching action.

Key Features

Schottky Barrier: The 1N5819 diode features a Schottky barrier, which reduces the forward voltage drop and increases the switching speed compared to traditional p-n junction diodes.
Low Forward Voltage Drop: The diode has a low forward voltage drop of 0.45V, making it suitable for high-efficiency rectification and low-voltage applications.
High Current Rating: The 1N5819 diode has a high current rating of 1A, allowing it to handle moderate to high current flows in electronic circuits.
High Switching Speed: The diode's switching speed is extremely fast, with a reverse recovery time of 10ns, making it suitable for high-frequency applications.
Low Reverse Leakage Current: The diode has a low reverse leakage current of 10mA, reducing the power consumption and heat generation in electronic circuits.
Wide Operating Temperature Range: The 1N5819 diode can operate over a wide temperature range of -55C to 150C, making it suitable for use in a variety of environmental conditions.
Moisture Sensitivity: The diode has a moisture sensitivity level (MSL) of 1, indicating that it can withstand exposure to moisture without damage.
Compliance: The 1N5819 diode complies with various industry standards, including RoHS and REACH directives.

Physical Characteristics

Package: The diode is packaged in a DO-41 (DO-204AL) plastic case.
Weight: Each diode weighs approximately 0.25g.
Dimensions: The diode has a length of 4.95mm, a width of 2.45mm, and a height of 2.45mm.

Applications

Voltage Rectification: The diode can be used for full-wave rectification, half-wave rectification, and bridge rectification in electronic circuits.
Voltage Regulation: The diode can be used to regulate voltage levels in electronic circuits, providing a stable output voltage.
Overvoltage Protection: The diode can be used to protect electronic components from overvoltage conditions, preventing damage and ensuring reliable operation.
High-Frequency Circuits: The diode's high switching speed makes it suitable for use in high-frequency circuits, such as radio frequency (RF) and microwave circuits.

The 1N5819 diode is suitable for a wide range of applications, including

Packaging

The 1N5819 diode pack of 5 includes five individual diodes, each packaged in a plastic case. The diodes are carefully selected and matched to ensure consistent performance and reliability.

Pin Configuration

1N5819 Diode (Pack of 5) Documentation
Overview
The 1N5819 is a Schottky barrier diode, a type of semiconductor diode characterized by its low forward voltage drop and high switching speed. This component is widely used in various applications, including power supplies, motor control, and high-frequency circuits.
Pin Description
The 1N5819 diode has two pins:
Pin 1: Cathode (K)
Function: The cathode is the negative terminal of the diode, where the current flows out of.
Marking: The cathode is usually marked with a band or a notch on the diode package.
Pin 2: Anode (A)
Function: The anode is the positive terminal of the diode, where the current flows into.
Marking: The anode is typically unmarked or has a smaller marking compared to the cathode.
Connecting the Pins
When connecting the 1N5819 diode, follow these guidelines:
Point-to-Point Connection Structure:
1. Identify the Cathode (K) Pin:
Look for the band or notch on the diode package, which indicates the cathode pin.
2. Identify the Anode (A) Pin:
The anode pin is usually unmarked or has a smaller marking compared to the cathode pin.
3. Connect the Cathode (K) Pin:
Connect the cathode pin to the negative terminal of the power supply or the ground connection.
4. Connect the Anode (A) Pin:
Connect the anode pin to the positive terminal of the power supply or the output of the circuit.
Important Notes:
Always ensure the correct polarity when connecting the diode, as reverse connection can damage the component.
Use suitable soldering techniques and materials when connecting the diode to a printed circuit board (PCB) or other components.
Consult the datasheet for specific voltage and current ratings, as well as recommended operating conditions, to ensure safe and efficient operation of the 1N5819 diode.
By following these guidelines, you can properly connect the 1N5819 diode in your circuit and ensure reliable operation in your IoT project.

Code Examples

1N5819 Diode Component Documentation

Overview

The 1N5819 is a 1A, 40V Schottky barrier rectifier diode, typically used for rectification, switching, and voltage regulation in various electronic circuits. This component is commonly used in Internet of Things (IoT) projects due to its low forward voltage drop, high switching speed, and low power consumption.

Pinout

The 1N5819 diode has a standard diode pinout with two terminals: Anode (A) and Cathode (K).

| Pin | Description |
| --- | --- |
| A | Anode (Positive Leg) |
| K | Cathode (Negative Leg) |

Electrical Characteristics

| Parameter | Value |
| --- | --- |
| Forward Voltage (Vf) | 0.35V @ 1A |
| Reverse Voltage (Vr) | 40V |
| Forward Current (If) | 1A |
| Reverse Current (Ir) | 10mA |
| Operating Temperature | -55C to 150C |

Code Examples

### Example 1: Rectifier Circuit (Arduino)

In this example, we'll use the 1N5819 diode to rectify an AC signal from a wall adapter to power an Arduino board.

```c
// Connect the AC wall adapter to the 1N5819 diode (Anode to positive leg, Cathode to negative leg)
// Connect the output of the diode to a voltage regulator (e.g., 7805)
// Connect the output of the voltage regulator to the Arduino board (Vin and GND)

void setup() {
  // Initialize the Arduino board
  Serial.begin(9600);
}

void loop() {
  // Monitor the voltage output of the rectifier circuit using an analog pin
  int sensorValue = analogRead(A0);
  float voltage = sensorValue  (5.0 / 1023.0);
  Serial.print("Voltage: ");
  Serial.println(voltage);
  delay(1000);
}
```

### Example 2: Switching Regulator (Raspberry Pi)

In this example, we'll use the 1N5819 diode in a switching regulator circuit to power a Raspberry Pi board.

```python
# Connect the input power source to the switching regulator circuit (e.g., LM2675-5.0)
# Connect the output of the switching regulator to the Raspberry Pi board (5V and GND)
# Connect the 1N5819 diode between the output of the switching regulator and the input of the Raspberry Pi board (Anode to 5V, Cathode to GND)

import time

while True:
    # Monitor the voltage output of the switching regulator using a GPIO pin
    voltage = read_voltage(18)
    print("Voltage: {:.2f}V".format(voltage))
    time.sleep(1)
```

Precautions and Considerations

When working with the 1N5819 diode, ensure proper heat dissipation, as excessive heat can cause damage to the component. Additionally, protect the diode from reverse voltage and excessive current to prevent electrical shock and component failure.

Ordering Information

Pack of 5, 1N5819 Schottky Barrier Rectifier Diodes

Component Datasheet

For detailed specifications and characteristics, please refer to the [1N5819 datasheet](https://datasheet.octopart.com/1N5819-Diodes-Incorporated-datasheet-108524.pdf).

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