The CMF55C1820F is a precision metal film resistor manufactured by Vishay Dale. These resistors are known for their high stability, tight tolerance, and low temperature coefficient, making them suitable for demanding applications where precision and reliability are crucial. The CMF series from Vishay is a well-established line of resistors used across various industries.

Applications

• Precision Measurement Equipment: Used in instruments such as multimeters, oscilloscopes, and calibrators.
• Medical Devices: Implemented in medical equipment requiring accurate and stable resistance values.
• Audio Equipment: Employed in high-end audio amplifiers and preamplifiers for precise signal control.
• Aerospace and Defense: Found in aerospace and defense systems where reliability and stability are paramount.
• Industrial Control Systems: Used in process control systems, power supplies, and motor drives.

Features

• High Stability: Offers excellent long-term stability under various environmental conditions.
• Tight Tolerance: Features a tolerance of 1%, ensuring accurate resistance values.
• Low Temperature Coefficient: Exhibits a low temperature coefficient of resistance (TCR), minimizing resistance changes with temperature variations.
• Metal Film Construction: Utilizes a metal film resistive element for enhanced performance and reliability.
• Flameproof Coating: Coated with a flameproof material for added safety.

Benefits

• Accurate Measurements: Enables precise measurements in sensitive electronic circuits due to its tight tolerance.
• Reliable Performance: Provides consistent and reliable performance over a wide range of operating conditions.
• Stable Operation: Maintains stable resistance values, reducing drift and ensuring accurate circuit behavior.
• Enhanced Safety: Flameproof coating enhances safety by preventing combustion in case of overload.
• Long Lifespan: Durable construction ensures a long operational lifespan, minimizing the need for frequent replacements.

Additional Details

The CMF55C1820F has a resistance value of 182 Ohms. The "CMF55" indicates the resistor's size and power rating, which is typically 0.25W. The resistor is leaded and designed for through-hole mounting. The operating temperature range typically spans from -65°C to +150°C. The resistor's metal film composition contributes to its superior electrical characteristics compared to carbon film resistors. It meets or exceeds applicable MIL-PRF-55182 specifications.