CBB65-R1: Key Features and Applications of High-Performance AC Capacitors- Ningguo Kingcool Import and Export Co., Ltd

CBB65-R1: Key Features and Applications of High-Performance AC Capacitors

Arna chur suas ag Riarachán | 09 May

In-Depth Analysis of CBB65-R2 and Other AC Capacitor Technologies

AC capacitors (alternating current capacitors) play a vital role in air conditioners, motor drives, and household appliances. Among them, CBB65-R1 and CBB65-R2 are widely used metallized polypropylene film capacitors (CBB65 series), known for their high stability, heat resistance, and long lifespan.

1. Core Features of CBB65-R1

The CBB65-R1 is a metallized polypropylene film capacitor designed for AC power environments, primarily used in single-phase motor start and run applications. Its key advantages include:

High Voltage Resistance: Rated at 450V AC, suitable for high-load conditions.
Excellent Temperature Stability: Operates reliably within -40°C to +85°C.
Low Loss & High Insulation Resistance: Polypropylene film dielectric ensures low ESR (Equivalent Series Resistance) and extended lifespan.
Explosion-Proof Design: Some models feature safety mechanisms to prevent damage from overvoltage or overheating.

2. Typical Applications of CBB65-R1

The CBB65-R1 is commonly used in:
Air Conditioner Compressors: Provides phase-shift current for motor start and run.
Water Pump Motors: Enhances starting torque and ensures smooth operation.
Fans & Household Appliances: Optimizes the power factor of single-phase motors.

3. CBB65-R1 vs. CBB65-R2: Key Differences

Though both belong to the CBB65 series, CBB65-R1 and CBB65-R2 differ in specifications:

Parameter	CBB65-R1	CBB65-R2
Capacitance Range	1μF~100μF	5μF~150μF
Voltage Rating	450V AC	450V/500V AC
Primary Use Case	Small/medium-power compressors	High-power motors & industrial equipment
Temperature Range	-40°C to +85°C	-40°C to +90°C
Typical Lifespan	50,000 hours	60,000 hours

CBB65-R2 is typically used in higher-power applications, while CBB65-R1 is more suitable for household air conditioners and small motors.

4. How to Choose the Right AC Capacitor?

When selecting between CBB65-R1 and CBB65-R2, consider:
Motor Power: High-power devices may require the R2 model.
Operating Temperature: Choose a higher temperature rating for harsh environments.
Capacitance Matching: Always follow the manufacturer’s recommended values to avoid overload or startup failure.

5. Maintenance & Troubleshooting

Common Failures: Bulging, leakage, or capacitance degradation may cause motor failure.
Replacement Tips: Use original or high-compatibility alternatives (e.g., CBB65 series).