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Key Features:

• Resistance Value: 220Ω (Ohms)

• Power Rating: 0.25W (1/4 Watt)

• Tolerance: ±5%

• Color Code: Red – Red – Brown – Gold

• Used for LED current control, microcontroller interfacing, and voltage regulation

• Through-hole axial leads for breadboard and PCB use

• Durable carbon film construction with stable resistance

Product Description (Detailed):

The 220Ω resistor is one of the most commonly used resistors in electronics, especially for limiting current to LEDs to protect them from overvoltage or overcurrent. It is also useful in digital logic level matching, voltage dividers, and transistor base biasing.

With a power rating of ¼ watt, it is suitable for low-power circuits and educational kits. The resistor features the standard 4-band color code and tinned axial leads, making it easy to use in both breadboard and soldered circuits.

Technical Specifications:

How to Use:

1. Insert the resistor in series with an LED to limit current (common in Arduino circuits).

2. Use in voltage divider circuits or transistor base resistors.

3. Plug into breadboards or solder onto PCBs directly.

For 5V circuits: 220Ω is ideal to limit current to a standard red LED (~20mA).

Applications:

• LED current limiting (e.g., Arduino + LED)

• Pull-up / pull-down resistor circuits

• Transistor base resistors

• Voltage dividers

• Microcontroller and sensor interfacing

• Basic logic level protection

• DIY kits and STEM electronics education

Package Includes:

• 1× 220Ω Carbon Film Resistors (1/4W)