The GRM40CH181J50PT is a multilayer ceramic capacitor (MLCC) manufactured by Murata Electronics North America. It's a surface-mount device (SMD) intended for general-purpose applications in electronic circuits.

Based on the part number breakdown:

• GRM: Murata's GRM series of MLCCs
• 40: Size code (likely EIA 1805)
• C: Dielectric material; CH indicates a temperature-compensating ceramic.
• H181: Capacitance value is 180pF
• J: Capacitance tolerance of +/- 5%
• 50: Rated voltage of 50V
• PT: Termination code.

Given its characteristics, the GRM40CH181J50PT is often employed in circuits requiring stable capacitance with respect to temperature variations. Specific uses include:

• RF Circuits: Tuning circuits, impedance matching.
• Oscillators: Frequency determining components.
• Filters: High-pass, low-pass, band-pass filters.
• Timing Circuits: Stable timing references.

Applications

• Tuning capacitor in an FM radio receiver.
• Component in a crystal oscillator circuit.
• Capacitor in a low-pass filter for audio signals.

Features

• Stable Capacitance: CH dielectric provides minimal capacitance change with temperature.
• Low Dissipation Factor: Minimizes energy loss.
• High Q-Factor: Suitable for high-frequency applications.
• Surface Mount Design: Compatible with automated assembly.
• RoHS Compliant: Complies with environmental regulations.

Benefits

• Precise Tuning: Stable capacitance enables accurate circuit tuning.
• Efficient Performance: Low dissipation factor reduces energy loss.
• Reliable Operation: Consistent performance over temperature.
• Compact Design: Small size allows for high-density circuit boards.

Typical Specifications:

• Capacitance: 180 pF
• Capacitance Tolerance: ±5%
• Rated Voltage: 50 V
• Temperature Coefficient: 0 ±60 ppm/°C
• Operating Temperature Range: -55°C to +125°C
• Case Size: EIA 1805 (estimated)

The GRM40CH181J50PT is an excellent choice for applications where capacitance stability over temperature is critical. Its low dissipation factor and high Q-factor make it suitable for use in high-frequency circuits. The given size is only an estimation: verify with the appropriate datasheet.