Description

The 155J 450V (1.5µF) Through-Hole Metallized Film Capacitor, also known as the CBB21 capacitor, is a high-performance component widely used in AC and DC circuits for filtering, coupling, and energy storage applications. Designed for durability and reliability, this capacitor features a metallized polypropylene film construction, ensuring excellent electrical characteristics, high stability, and low loss.

Key Features:

• Capacitance: 1.5µF (155J)
• Voltage Rating: 450V DC
• Capacitor Type: Metallized Polypropylene Film
• Tolerance: ±5% (J tolerance)
• Lead Spacing (Pitch): 15mm
• Structure: Non-inductive wound construction
• Temperature Range: -40°C to +105°C
• Dissipation Factor: Low (ensuring minimal energy loss)
• Insulation Resistance: High, ensuring minimal leakage current
• Self-Healing Property: Enhances reliability and longevity
• Through-Hole Mounting: Suitable for PCB soldering and stable placement

Applications:

• Power Supply Filtering: Used in switching power supplies, SMPS, and DC-Link circuits
• Coupling and Decoupling: Helps in signal processing and noise reduction
• Audio Equipment: Suitable for speaker crossover networks and sound clarity enhancement
• Motor Run Capacitor: Helps improve the power factor in motor circuits
• Pulse Circuits & Timing Applications: Used where precision timing and fast response are needed

Advantages Over Other Capacitor Types:

• High Voltage Tolerance: Withstands surges and transient voltages effectively
• Low ESR & ESL: Ensures efficient energy transfer with minimal losses
• Stable Capacitance: Maintains performance over time and temperature variations
• No Electrolyte Leakage: Unlike electrolytic capacitors, it does not dry out over time

The 155J 450V (1.5µF) CBB21 capacitor is a reliable and essential component for electronic designers and engineers looking for a stable, high-voltage, and long-lasting capacitor solution.