The KOA Speer RK14J12R0A0W is a precision metal film resistor known for its high stability, reliability, and tight tolerance. This resistor is designed for applications requiring accurate and consistent resistance values over a wide range of operating conditions. Its construction and materials ensure minimal drift due to temperature variations and aging.

Applications:

• Precision instrumentation: Critical components in measuring devices, test equipment, and calibration standards.
• Medical equipment: Ensuring accuracy in diagnostic and monitoring systems.
• Automotive electronics: Providing stable resistance in control units and sensor interfaces.
• Aerospace and defense: Used in avionics and military systems where reliability is paramount.
• Audio equipment: Maintaining signal integrity in high-end amplifiers and audio processing circuits.

Features:

• Metal film resistor: Provides superior stability and low temperature coefficient of resistance (TCR).
• Tight tolerance: Ensures accurate resistance values within specified limits (e.g., ±1%).
• Low TCR: Minimizes resistance changes due to temperature variations.
• Flameproof coating: Enhances safety by preventing combustion in case of overload.
• Compact size: Facilitates integration into space-constrained applications.

Benefits:

• High accuracy: Delivers precise and consistent resistance values for critical circuits.
• Excellent stability: Maintains performance over a wide range of operating conditions.
• Long-term reliability: Provides consistent performance over an extended lifespan.
• Enhanced safety: Flameproof coating adds an extra layer of protection.
• Versatile application: Suitable for a wide range of electronic devices and systems.

The RK14J12R0A0W resistor utilizes a high-quality metal film resistive element, which is deposited on a ceramic substrate. This construction provides excellent thermal stability and minimizes the effects of environmental factors on resistance. The resistor is coated with a flameproof material to enhance safety and prevent combustion under overload conditions. The leads are made of solderable material for easy and reliable connection to circuit boards.

Technical Specifications:

• Resistance value: 12 Ohms
• Tolerance: Typically ±1% or ±5%.
• TCR: Usually ±50 ppm/°C or better.
• Power rating: Typically 0.25W or 0.5W. Consult the datasheet for the specific power rating.
• Operating temperature range: Usually -55°C to +155°C.
• Termination: Axial leads