BOJACK CBB65 Dual-Run HVAC Capacitor 35+5µF 370V/440V Round Metal Can — 50/60Hz, -40°C to +70°C

BOJACK 35+5µF CBB65 dual-run round capacitor powers both compressor and fan circuits in HVAC systems, combining two capacitances in one compact metal can for reliable motor start and run support.

This CBB65 model from BOJACK integrates two capacitors inside a single metal housing so a compressor (Herm/H) and a condenser fan (Fan/F) share a common connection (C). Built from metallized polypropylene film, the capacitor delivers 35µF + 5µF with ±6% tolerance and is rated for 370V/440V AC operation at 50/60Hz. Its compact round form, high short‑circuit safety rating and wide temperature tolerance make it a practical replacement in residential and light commercial air conditioning and heat pump systems.

How does this dual-run capacitor fit into my HVAC system?

The BOJACK dual-run capacitor replaces two separate capacitors by providing dedicated terminals for the compressor (Herm or H), fan (Fan or F) and a common line (C). Wiring follows standard three-terminal layouts, so installation is straightforward when matching the microfarad (µF) and voltage specifications. Always disconnect mains power before replacing capacitors and verify compatibility with your unit’s nameplate.

• Terminals labeled H, F and C for clear wiring.
• 35+5µF total: compressor and fan values in one can.
• Works at 50Hz or 60Hz systems; matches HVAC nameplate specs.

What electrical and temperature limits should I be aware of?

This capacitor is specified for 370V or 440V AC systems; the 440V unit is a higher-rated alternative to 370V designs. It withstands operating temperatures from -40°C up to +70°C (-104°F to +158°F) and carries a 10,000 AFC safety rating for fault endurance. Do not substitute a lower-voltage part where a higher voltage is required.

• Rated voltage: 370V/440V AC; choose equal-or-higher voltages only.
• Operating temperature range: -40°C to +70°C.
• 10,000 AFC safety rating for high fault current resistance.

Will the round BOJACK CBB65 physically replace my old capacitor?

The round CBB65 form factor often fits where oval capacitors were used if the microfarad and voltage ratings match. Its compact dimensions (approx. 1.97 inch diameter, 4.14 inch height) make it suitable for many compressor and condenser compartments. Check mounting clearances and terminal orientation before installation.

• Dimensions: diameter ~1.97" and height ~4.14" for compact installation.
• Metal shell offers durability and heat resistance.
• Round unit can substitute oval shapes with matching specs.

What materials and safety features are built into this capacitor?

The BOJACK capacitor uses metallized polypropylene film dielectric for stable capacitance and long life under typical HVAC duty cycles. A metal outer shell improves heat dissipation and mechanical protection, while the internal design resists explosion and overheating under normal operating conditions. Safety ratings and temperature range support dependable performance in outdoor units.

• Dielectric: metallized polypropylene film for stable performance.
• Metal housing for improved heat dissipation and protection.
• Designed to resist thermal stress and meet AFC safety expectations.

Who is this for? Technicians, HVAC service professionals and knowledgeable DIYers replacing start/run capacitors in central air conditioners, heat pumps, condenser fan motors, or compressors will find the BOJACK 35+5µF CBB65 an efficient dual-capacitor solution. Choose this unit when your equipment calls for 35µF and 5µF sections with 370V or 440V ratings, ensure safe wiring to H, F and C terminals, and verify mounting space and electrical compatibility before installation.