The CR-03FA7----1K is a chip resistor manufactured by Viking Tech. It is a general-purpose thick film resistor designed for various electronic applications requiring stable and reliable resistance. The '1K' in the part number indicates a resistance value of 1 kΩ (kilo-ohm).

Applications:

• Current Limiting: Used to limit current in various circuits to protect components.
• Voltage Division: Employed in voltage divider circuits to provide a specific voltage level.
• Pull-Up/Pull-Down Resistors: Utilized as pull-up or pull-down resistors in digital circuits to define logic states.
• Feedback Resistors: Incorporated in feedback loops of operational amplifiers and other circuits to control gain and stability.
• General Circuit Protection: Provides general circuit protection by limiting current flow in case of overvoltage or short circuits.

Features:

• Small Size: Compact 0603 package size for space-constrained applications.
• Thick Film Technology: Utilizes thick film technology for stable and reliable resistance.
• High Reliability: Offers high reliability and long-term stability.
• Surface Mount Technology (SMT): Designed for easy and reliable surface mount assembly.
• RoHS Compliant: Complies with RoHS (Restriction of Hazardous Substances) directives, making it environmentally friendly.

Benefits:

• Effective Current Limiting: Provides effective current limiting to protect circuit components.
• Accurate Voltage Division: Enables accurate voltage division for various applications.
• Stable Logic States: Ensures stable logic states as pull-up or pull-down resistors.
• Controlled Gain and Stability: Allows for controlled gain and stability in feedback circuits.
• Easy and Reliable Assembly: Facilitates easy and reliable assembly in surface mount applications.

Additional Details:

The CR-03FA7----1K typically has a power rating of 1/10W (0.1W) or 1/16W (0.0625W), and a tolerance of 5% or 1%. Its temperature coefficient of resistance (TCR) is usually specified to ensure stable performance over a wide temperature range. It is a cost-effective solution for various electronic circuits and is widely used in consumer electronics, industrial equipment, and automotive applications. The resistor is designed to meet industry standards and provide consistent performance.