The RD412ETTE221J is a carbon film resistor manufactured by KOA Speer. This resistor is designed for general-purpose applications where a stable resistance value is required under normal operating conditions.

Applications:

• General Electronics: Used in various electronic circuits for current limiting, voltage division, and pull-up/pull-down configurations.
• Consumer Electronics: Suitable for appliances, audio equipment, and other household devices.
• Power Supplies: Used in power supply circuits for current sensing and voltage regulation.
• Testing and Measurement Equipment: Employed in multimeters, oscilloscopes, and other test instruments.
• LED Lighting: Current limiting resistors in LED circuits.

Features:

• Carbon Film Technology: Provides a stable resistance value.
• Wide Resistance Range: Available in a wide range of resistance values.
• Compact Size: Small form factor for space-saving designs.
• High Reliability: Offers consistent performance in various operating conditions.
• RoHS Compliant: Complies with environmental regulations.

Benefits:

• Stable Performance: Carbon film technology ensures consistent resistance values over temperature and time.
• Versatile Application: Suitable for a wide range of electronic circuits.
• Cost-Effective: Provides a low-cost solution for resistance requirements.
• Easy to Use: Standard resistor package for easy installation.
• Reliable Operation: Designed for long-term performance.

Additional Details:

The RD412ETTE221J has a resistance value of 220 ohms with a tolerance of 5%. It has a power rating of 0.25W and a voltage rating that is standard for carbon film resistors of this size. It is available in a through-hole package. Refer to the manufacturer's datasheet for detailed specifications including temperature coefficient, noise characteristics, and derating curves.