Description

220 Ohm Resistor: Precision Current Limiting for Electronics

Technical Specifications of 220 Ohm Resistor

• Resistance Value: Fixed 220 Ohms identified by Red-Red-Brown-Gold color bands.

• Power Rating: Standard 0.25 Watt (1/4W) rating suitable for low-power logic circuits.

• Tolerance: Precision ±5% variance ensures reliable resistance within specified circuit parameters.

• Construction: Durable carbon film technology provides excellent stability and low noise levels.

• Lead Type: Axial through-hole leads for secure mounting on breadboards and PCBs.

• Temperature Coefficient: Maintains stable resistance across typical indoor and industrial operating environments.

• Coating: Insulated body prevents accidental shorts when components are mounted in high density.

• Application: This 220 Ohm Resistor is the standard choice for current limiting in LEDs.

Circuit Usage and Implementation

• First, identify the resistance using the color code to ensure correct component selection.

• Next, bend the axial leads to fit the spacing of your specific prototype board.

• Then, place the resistor in series with an LED to prevent overcurrent damage.

• Afterward, utilize the component in voltage divider circuits to achieve specific signal levels.

• Consequently, the 220 Ohm Resistor effectively manages current flow in 5V digital systems.

• Finally, solder the leads firmly to create a permanent, low-resistance electrical connection.

Advantages and Disadvantages of 220 Ohm Resistor

• Pros: Extremely cost-effective and versatile for nearly all basic electronic prototyping needs.

• Furthermore, the axial design is very easy for beginners to handle during manual soldering.

• Cons: The 0.25W power rating is insufficient for high-current power dissipation tasks.

• Additionally, carbon film resistors may exhibit slight resistance shifts under extreme heat conditions.

Precautions and Board Handling

• Warning: Do not exceed the 0.25W power limit to avoid burning the resistor body.

• Avoid mechanical fatigue by not bending the axial leads excessively at the junction point.

• Ensure the resistor body does not touch heat-sensitive components during high-current operation.

What is Included in the Package

• 1x 220 Ohm Resistor (1/4 Watt, 5% Tolerance Carbon Film).

• Factory-tinned copper leads for high-conductivity connections and easier soldering processes.

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