Description

The 684J 450V (0.68uF) Through-Hole Metallized Film Capacitor (CBB21, Pitch = 15mm) is a high-quality capacitor designed for use in a variety of electronic circuits. It is specifically constructed using a metallized polypropylene film to offer excellent electrical characteristics, stability, and reliability over time.

Key Features:

• Capacitance: 0.68µF (684J)
• Voltage Rating: 450V DC
• Tolerance: ±5% (J tolerance)
• Dielectric Material: Metallized Polypropylene Film
• Lead Spacing (Pitch): 15mm
• Mounting Type: Through-Hole
• Operating Temperature Range: -40°C to +105°C
• Low Dissipation Factor: Ensures minimal energy loss and high efficiency
• High Insulation Resistance: Reduces leakage current for stable performance
• Self-Healing Properties: Enhances reliability by automatically repairing minor dielectric breakdowns
• Low Equivalent Series Resistance (ESR) and Inductance: Ideal for high-frequency applications

Applications:

• Power Supply Filtering: Used in DC link circuits, snubber circuits, and noise suppression.
• Audio Equipment: Provides stable and clear sound quality in audio crossover networks.
• Motor Drives and Inverters: Helps in smoothing voltage and reducing electrical noise.
• Switching Power Supplies (SMPS): Essential for improving efficiency and minimizing electromagnetic interference (EMI).
• High-Frequency and Pulse Circuits: Used in applications requiring fast charge and discharge cycles.

Construction and Durability:

The CBB21 series metallized film capacitor is designed for high-voltage AC and DC applications, ensuring excellent electrical performance with minimal distortion. It features robust encapsulation to protect against environmental factors such as humidity and temperature fluctuations. The capacitor is RoHS-compliant, making it an environmentally friendly choice for new designs.

Conclusion:

The 684J 450V Metallized Film Capacitor (CBB21) is a reliable and high-performance component suitable for demanding electronic circuits. Its low ESR, high insulation resistance, and self-healing properties make it ideal for applications where stable capacitance, long lifespan, and high voltage tolerance are required. Whether used in power electronics, motor control, or precision audio circuits, this capacitor provides excellent performance and durability.