SMD Resistor 2.2Kohm (222) (0805) (10pcs)

Description

SMD Resistor 2.2KΩ (222) OHM (0805) (10pcs)

The SMD Resistor 2.2KΩ (222) OHM (0805) is a surface-mount device (SMD) resistor with a resistance value of 2,200 ohms (2.2KΩ). It is designed in an 0805 package, a common package size for compact and high-density PCB designs. The resistor is typically sold in packs of 10 pieces, which is convenient for small projects, repairs, or prototyping.

Key Features:

1. Resistance Value:

   • 2.2KΩ (2,200 ohms).

   • The “222” code follows the standard 3-digit resistor code:

     • 22 represents the base value (22).

     • 2 is the multiplier (10²), so the resistance value is 22 × 10² = 2,200Ω.

2. Package Size:

   • 0805 size: The dimensions of the package are 0.08″ x 0.05″ (2.0mm x 1.25mm). The 0805 package is compact, allowing it to fit in tight spaces on a PCB while still being large enough to handle during soldering.

3. Quantity:

   • Supplied in packs of 10 pieces, which is ideal for small runs or prototyping.

4. Tolerance:

   • Typically ±5%, meaning the actual resistance could vary by up to 5% from the nominal value. Some manufacturers may offer tighter tolerances, such as ±1%.

5. Power Rating:

   • 0.125W (1/8 watt), which is typical for 0805 resistors. This power rating is suitable for low-power applications but should be confirmed depending on the specific circuit’s power requirements.

6. Composition:

   • Common materials used for SMD resistors include metal oxide, carbon film, or thick film, which provide good stability and reliability for most applications.

Applications:

1. Voltage Dividers:

   • The 2.2KΩ resistor is ideal for use in voltage divider circuits, which are used to create specific voltage levels for biasing transistors, op-amps, and other electronic components.

2. Current Limiting:

   • It is often used in current-limiting applications to ensure that a circuit doesn’t draw excessive current, such as in LED circuits or sensor protection.

3. Pull-up/Pull-down Resistors:

   • Commonly used in digital circuits as pull-up or pull-down resistors to ensure proper logic level states on unused pins of microcontrollers or logic gates.

4. Signal Conditioning:

   • It can be part of signal conditioning circuits, where it helps filter or attenuate signals, or adjust their strength for analog-to-digital conversion in systems.

5. Filter Circuits:

   • It can be used in RC (resistor-capacitor) or RLC (resistor-inductor-capacitor) filters to set cutoff frequencies in both audio and radio-frequency (RF) applications.

6. Biasing Components:

   • Often used in biasing circuits, where it sets the voltage across other components, ensuring correct operation in transistor or op-amp configurations.

Advantages:

• Compact Size (0805): The 0805 package is ideal for designs with space constraints, allowing the resistor to fit into small or densely packed PCBs.

• High Precision: The SMD resistor offers a stable and precise resistance value over time, ensuring reliable circuit performance.

• Reliability: SMD resistors are durable, especially in automated production and high-density designs. They are less prone to damage during handling and soldering.

• Cost-Effective: SMD resistors are affordable and easy to mass-produce, making them ideal for high-volume manufacturing and prototyping.