The C1812N221J302T is a ceramic capacitor manufactured by Holystone. It's a general-purpose capacitor designed for applications needing stable capacitance and reliable performance.

Applications

• Bypass Capacitors: Filtering noise and ensuring a consistent voltage in electronic circuits.
• Decoupling Capacitors: Providing localized energy storage near ICs to reduce voltage fluctuations.
• Filtering Circuits: Attenuating specific frequencies in signal processing setups.
• Timing Circuits: Dictating oscillation rates in timing-sensitive applications.
• General-Purpose Applications: Suitable for scenarios requiring a stable and consistent capacitance.

Features

• Ceramic Dielectric: Offers high stability and minimal energy loss.
• Surface Mount Technology (SMT): Facilitates automated assembly on PCBs.
• Specific Capacitance Value: 220pF (inferred from the part number).
• Specific Voltage Rating: 300V (inferred from the part number).
• Temperature Coefficient: Likely NP0 or C0G (low drift), but verification through the datasheet is essential.

Benefits

• Stable Capacitance: The ceramic construction keeps capacitance changes minimal across temperature and voltage variations.
• Low Losses: Reduces energy waste, enhancing circuit efficiency.
• Compact Size: The SMT form factor is great for dense circuit designs.
• Reliable Performance: Holystone's components are known for reliability.

Additional Details

Breaking down the part number, C indicates capacitor, 1812 specifies the case size (0.18 inch x 0.12 inch), N likely identifies the dielectric, 221 represents 220 pF capacitance (22 x 10^1 pF), J indicates a 5% tolerance, 302 indicates a 300V voltage rating, and T suggests tape and reel packaging. Refer to the Holystone datasheet for full specifications including temperature coefficient, insulation resistance, and ESR. Use proper soldering techniques during assembly. This is a Class 1 ceramic capacitor.