Description

The 125J 450V (1.2µF) Through-Hole Metallized Film Capacitor (CBB21, Pitch = 15mm) is a high-performance passive electronic component designed for applications requiring reliable and stable capacitance.

Key Features:

• Capacitance: 1.2µF (Microfarads)
• Voltage Rating: 450V DC
• Capacitor Type: Metallized Polypropylene Film (CBB21 Series)
• Tolerance: ±5% (J Code)
• Lead Spacing (Pitch): 15mm
• Mounting Type: Through-Hole
• Dielectric Type: Polypropylene
• Operating Temperature Range: Typically -40°C to +85°C (varies by manufacturer)
• Low ESR & ESL: Ensures minimal losses and high efficiency in AC and pulse circuits
• High Insulation Resistance: Prevents leakage current and enhances reliability
• Self-Healing Property: Automatically recovers from minor dielectric breakdowns, improving lifespan
• Applications: Used in filtering, coupling, snubber circuits, power supplies, inverters, motor run circuits, and high-frequency applications

Description:

This CBB21 metallized polypropylene film capacitor is designed for high-voltage and high-frequency applications where stability, low losses, and long-term reliability are required. The 125J 450V 1.2µF capacitor features a non-inductive structure, which helps minimize parasitic effects, making it suitable for AC filtering and pulse discharge circuits.

With a robust self-healing property, this capacitor can recover from minor dielectric failures, extending its operational lifespan. It exhibits excellent temperature stability and low dissipation factor, making it ideal for demanding environments such as switching power supplies, electronic ballasts, and industrial control systems.

Its 15mm pitch lead spacing ensures easy through-hole PCB mounting and secure soldering. The capacitor's high voltage rating of 450V DC makes it suitable for circuits requiring reliable insulation and high energy storage capacity.

Common Applications:

• Power electronics (SMPS, UPS, inverters)
• Noise suppression in AC circuits
• Coupling and decoupling applications
• Pulse circuits and snubber networks
• Electronic ballast circuits
• Motor run circuits

This capacitor is a reliable choice for engineers and designers working on high-voltage, high-frequency, and energy storage applications, ensuring optimal circuit performance with enhanced durability and efficiency.