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1N5408 Diode - (Pack of 10)

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Package Type

DO-201AD (Axial Lead)

Dimensions

10.2mm (L) x 4.8mm (D) x 2.4mm (H)

Weight

1.5g (approximate)

### Other Features

High surge current capability

Low forward voltage drop

Fast reverse recovery time

UL certified (E127842)

RoHS compliant

Applications

--------------

The 1N5408 diode is suitable for various IoT applications, including

Power supplies and adapter circuits

Motor control and driver circuits

Switch-mode power supplies

Voltage regulation circuits

Rectifier circuits

Audio and radio frequency (RF) circuits

Operating Conditions

-----------------------

Operating Temperature

-65C to +150C

Storage Temperature

-65C to +150C

Packaging Information

-------------------------

This pack contains 10 pieces of 1N5408 diodes, each individually packaged in a DO-201AD (Axial Lead) package.

Important Notes

------------------

When handling the diodes, ensure proper electrostatic discharge (ESD) protection to prevent damage.

Follow proper soldering techniques to avoid overheating and damaging the diode.

Use the diode within its specified ratings to ensure reliable operation and prevent failure.

Ordering Information

-----------------------

Part Number

1N5408 (Pack of 10)

Please note that the specifications and features mentioned above are subject to change without notice. It is recommended to verify the specifications with the manufacturer or supplier before using the component in your IoT project.

Pin Configuration

  • 1N5408 Diode Documentation
  • Overview
  • The 1N5408 is a standard rectifier diode with a maximum peak inverse voltage (PIV) rating of 1000V and a forward current rating of 3A. This pack of 10 diodes is suitable for various applications, including power supplies, motor control circuits, and other high-voltage switching circuits.
  • Pinout Description
  • The 1N5408 diode has two pins:
  • ### Pin 1: Anode (Positive Leg)
  • Function: The anode is the positive terminal of the diode, where the current flows into the device.
  • Connection: Connect to the positive voltage source or the output of a circuit.
  • ### Pin 2: Cathode (Negative Leg)
  • Function: The cathode is the negative terminal of the diode, where the current flows out of the device.
  • Connection: Connect to the negative voltage source or the input of a circuit.
  • Pin Connection Structure
  • When connecting the 1N5408 diode, ensure the following:
  • 1. Identify the anode and cathode: The anode is usually marked with a band or a colored ring near the cathode end. The cathode is the end without the band or ring.
  • 2. Orient the diode correctly: Make sure the anode (positive leg) is connected to the positive voltage source or output, and the cathode (negative leg) is connected to the negative voltage source or input.
  • 3. Use proper polarity: Always connect the diode with the correct polarity to prevent damage or reverse voltage breakdown.
  • Example Connection Diagram
  • Here's a simple example of connecting the 1N5408 diode in a half-wave rectifier circuit:
  • ```
  • Vin (AC) ------> Anode (Pin 1) ------> Diode ------> Cathode (Pin 2) ------> GND
  • ```
  • In this example, the anode (Pin 1) is connected to the AC input voltage source, and the cathode (Pin 2) is connected to ground (GND). The diode rectifies the AC voltage, allowing only the positive half-cycles to pass through.
  • Important Safety Notes
  • Always handle the diode with care to prevent electrical shock or damage.
  • Use proper insulation and protection when working with high-voltage circuits.
  • Ensure the diode is operated within its specified voltage and current ratings.
  • By following these guidelines, you can safely and effectively use the 1N5408 diode in your IoT projects and applications.

Code Examples

Component Documentation: 1N5408 Diode
Overview
The 1N5408 diode is a standard rectifier diode with a voltage rating of 1000V and a current rating of 3A. It is commonly used in power supplies, rectifier circuits, and switching regulators. This component is available in a pack of 10.
Pinout
The 1N5408 diode has a standard anode-cathode pinout:
Anode (Positive Leg): 1
 Cathode (Negative Leg): 2
Electrical Characteristics
Reverse Voltage: 1000V
 Forward Current: 3A
 Forward Voltage Drop: 1.1V (typical)
 Reverse Leakage Current: 5mA (maximum)
Usage Examples
### Example 1: Half-Wave Rectifier Circuit
In this example, the 1N5408 diode is used in a half-wave rectifier circuit to convert an AC voltage to a pulsating DC voltage.
Circuit Diagram:
```circuit
  +-----------+
  |          |
  |  AC Input  |
  |          |
  +-----------+
           |
           |
           v
  +-----------+
  |          |
  |  1N5408  |
  |  Diode    |
  |          |
  +-----------+
           |
           |
           v
  +-----------+
  |          |
  |  R_Load   |
  |  (1k)    |
  |          |
  +-----------+
           |
           |
           v
  +-----------+
  |          |
  |  C_Filter  |
  |  (100uF)   |
  |          |
  +-----------+
```
Code Example (Arduino):
```c
const int acInput = A0; // Input pin for AC voltage
const int rectifiedOutput = A1; // Output pin for rectified voltage
void setup() {
  pinMode(acInput, INPUT);
  pinMode(rectifiedOutput, OUTPUT);
}
void loop() {
  int acValue = analogRead(acInput);
  int rectifiedValue = 0;
  
  if (acValue > 0) {
    // Forward bias the diode, allowing current to flow
    digitalWrite(rectifiedOutput, HIGH);
    rectifiedValue = acValue;
  } else {
    // Reverse bias the diode, blocking current flow
    digitalWrite(rectifiedOutput, LOW);
    rectifiedValue = 0;
  }
  
  // Filter the rectified output using a capacitor
  analogWrite(rectifiedOutput, rectifiedValue);
  delay(10);
}
```
### Example 2: Power Supply Filter
In this example, the 1N5408 diode is used as a filter diode in a power supply circuit to reduce voltage ripple.
Circuit Diagram:
```circuit
  +-----------+
  |          |
  |  Bridge  |
  |  Rectifier|
  |          |
  +-----------+
           |
           |
           v
  +-----------+
  |          |
  |  1N5408  |
  |  Diode    |
  |          |
  +-----------+
           |
           |
           v
  +-----------+
  |          |
  |  C_Filter  |
  |  (100uF)   |
  |          |
  +-----------+
           |
           |
           v
  +-----------+
  |          |
  |  R_Load   |
  |  (1k)    |
  |          |
  +-----------+
```
Code Example (none required):
In this example, the 1N5408 diode is used as a filter diode to reduce voltage ripple in the power supply output. No code is required, as the diode operates passively to filter the output voltage.
Note: These examples are for illustrative purposes only and may require additional components or modifications to function in a real-world application. Ensure proper safety precautions and follow applicable electrical safety standards when working with electrical circuits.