1M Ohm Resistor - (Pack of 10) Documentation

Name

1M Ohm Resistor (Pack of 10)

Type

Passive Component

Package Type

Through-Hole Resistor (THT)

Description

The 1M Ohm Resistor is a passive electronic component that opposes the flow of electric current. It is a fundamental component in electronic circuits, used to regulate voltage, current, and signal levels. This pack of 10 resistors is ideal for prototyping, development, and production of various electronic projects.

Functionality

The primary function of a resistor is to resist the flow of electric current. Ohm's Law (R = V/I) describes the relationship between voltage (V), current (I), and resistance (R). The 1M Ohm Resistor ensures a specific voltage-to-current ratio in a circuit, which is crucial for

Voltage division

Current limiting

Signal attenuation

Impedance matching

Key Features

Resistance Value: 1 Megaohm (1,000,000 Ohms)
Tolerance: 1% or 5% (depending on the specific product variant)
Power Rating: 0.25W or 0.5W (depending on the specific product variant)
Operating Temperature: -55C to +155C
Package Type: Through-Hole Resistor (THT) with radial leads
Dimensions: Typically 3.5mm x 1.5mm x 1.5mm (Length x Width x Height)
Material: Metal Film or Carbon Film (depending on the specific product variant)
Certifications: RoHS and REACH compliant

Packaging

The resistors are supplied in a pack of 10 pieces, individually wrapped in a plastic bag or tray to prevent damage and corrosion.

Application

The 1M Ohm Resistor is suitable for a wide range of applications, including

Electronic circuits for voltage regulation, filtering, and signal conditioning

Prototyping and development of IoT projects

Automotive, industrial, and consumer electronics

Audio and video equipment

Important Notes

When handling resistors, ensure proper storage, handling, and soldering techniques to prevent damage and maintain their electrical characteristics.

Verify the specific tolerance, power rating, and material type for each product variant to ensure compatibility with your design requirements.

By understanding the characteristics and features of the 1M Ohm Resistor, you can effectively design and implement electronic circuits that meet your project's specifications and requirements.

Pin Configuration

Component Documentation: 1M Ohm Resistor (Pack of 10)
Overview
The 1M Ohm Resistor is a passive electronic component that offers a fixed resistance of 1 megaohm (1,000,000 ohms) between its two terminals. This resistor is commonly used in electronic circuits for various applications, including voltage division, signal attenuation, and impedance matching.
Pinout
The 1M Ohm Resistor has two terminals, which are the only pins available on this component.
Pin 1: Terminal 1
Function: One end of the resistor
Description: This terminal is one end of the resistor, where the resistor material is connected. It is usually marked with a band or a color code to indicate the resistance value.
Connection: Connect this terminal to the point in the circuit where the resistor is required to provide the specified resistance.
Pin 2: Terminal 2
Function: The other end of the resistor
Description: This terminal is the other end of the resistor, where the resistor material is connected. It is usually marked with a band or a color code to indicate the resistance value.
Connection: Connect this terminal to the point in the circuit where the resistor is required to provide the specified resistance.
Connection Structure
To connect the 1M Ohm Resistor in a circuit, follow these steps:
1. Identify the resistor's terminals: Verify the resistor's terminals by checking the color code or band markings.
2. Determine the circuit connection points: Identify the points in the circuit where the resistor is required to provide the specified resistance.
3. Connect Terminal 1: Connect Terminal 1 of the resistor to one of the identified circuit connection points.
4. Connect Terminal 2: Connect Terminal 2 of the resistor to the other identified circuit connection point.
5. Verify the connection: Double-check that the resistor is connected correctly, ensuring that the terminals are not swapped.
Important Notes
When handling the resistor, avoid touching the terminals with your bare hands, as the oils from your skin can affect the resistor's performance. Instead, use a pair of tweezers or an anti-static wrist strap.
The resistor should be mounted in a way that prevents it from coming into contact with conductive materials or other components that could cause a short circuit.
Always follow proper safety precautions when working with electronic components, and ensure that the circuit is powered down before making any connections.

Code Examples

Component Documentation: 1M Ohm Resistor (Pack of 10)

Overview

The 1M Ohm Resistor is a passive electronic component that offers a precise resistance of 1 megohm (1,000,000 ohms) to the flow of electric current. This pack of 10 resistors is ideal for various electronic projects, prototyping, and circuit design applications.

Key Features

Resistance: 1 megohm (1,000,000 ohms)
 Power rating: 0.25W (1/4 watt)
 Tolerance: 5%
 Operating temperature: -55C to +155C
 Package: Through-hole, axial lead
 Quantity: 10 pieces per pack

Usage and Applications

1M Ohm resistors are commonly used in:

Voltage dividers
 Signal attenuation circuits
 Impedance matching networks
 Filter circuits
 Analog-to-digital converter (ADC) circuits

Code Examples

### Example 1: Simple Voltage Divider Circuit using Arduino

In this example, we'll use two 1M Ohm resistors to create a simple voltage divider circuit to measure the voltage across a sensor or another circuit.
```c
const int sensorPin = A0;  // Analog input pin
const int voltageDividerPin = A1;  // Analog input pin

void setup() {
  Serial.begin(9600);
}

void loop() {
  int sensorReading = analogRead(sensorPin);
  int voltageDividerReading = analogRead(voltageDividerPin);

float sensorVoltage = sensorReading  (5.0 / 1023.0);
  float dividedVoltage = voltageDividerReading  (5.0 / 1023.0);

Serial.print("Sensor voltage: ");
  Serial.print(sensorVoltage);
  Serial.println(" V");

Serial.print("Divided voltage: ");
  Serial.print(dividedVoltage);
  Serial.println(" V");

delay(500);
}
```
Circuit Diagram:

R1 (1M Ohm) and R2 (1M Ohm) form a voltage divider circuit, which attenuates the input voltage (Vin) to approximately half the value.

Vin -> R1 -> Vout -> R2 -> GND

### Example 2: Impedance Matching Circuit using Raspberry Pi (Python)

In this example, we'll use a 1M Ohm resistor to match the impedance of a sensor's output to the input impedance of an operational amplifier (Op-Amp).
```python
import RPi.GPIO as GPIO
import time

# Set up GPIO mode
GPIO.setmode(GPIO.BCM)

# Define the sensor pin and Op-Amp input pin
sensor_pin = 17
op_amp_in_pin = 23

# Set up the sensor pin as an input
GPIO.setup(sensor_pin, GPIO.IN)

# Set up the Op-Amp input pin as an input
GPIO.setup(op_amp_in_pin, GPIO.IN)

while True:
    # Read the sensor voltage
    sensor_voltage = GPIO.input(sensor_pin)

# Calculate the output voltage using the 1M Ohm resistor
    output_voltage = sensor_voltage  (1 / (1 + (1 / (1e6))))

# Print the output voltage
    print("Output voltage: {:.2f} V".format(output_voltage))

# Wait for 1 second before taking the next reading
    time.sleep(1)
```
Circuit Diagram:

R3 (1M Ohm) connects the sensor output to the Op-Amp input, ensuring impedance matching and preventing signal reflection.

Vin -> R3 -> Op-Amp input -> GND

These examples demonstrate how the 1M Ohm resistor can be used in various IoT projects, such as sensor interfaces, signal conditioning, and impedance matching applications.

1M Ohm Resistor - (Pack of 10)