[Lifetime Warranty] 35+5 uF MFD 370/440 VAC Dual Run Round Air Conditioner Capacitor - Fits AC Unit Fan Motor, Heat Pump - Replaces 97F9834 - Z97F9834
35+5 uF 370/440 VAC round dual run air conditioner capacitor with terminal connectors.
35+5 uF 370/440 VAC dual run round air conditioner capacitor with dimensions and safety certification labels.
Technical specification chart for 35+5 uF 370/440 VAC dual run round air conditioner capacitor.
Top view of 35+5 MFD dual run capacitor showing C, HERM, and FAN terminal labels for AC unit motor compatibility.
BlueStars 35+5 uF 370/440 VAC dual run round AC capacitor showing aluminum case and metalized film construction.
Educational infographic showing how to choose a 35+5 uF 370/440 VAC dual run round air conditioner capacitor.
Technician installing a 35+5 uF 370/440 VAC dual run round air conditioner capacitor in an AC unit.
35+5 uF 370/440 VAC dual run round AC capacitor with technician performing maintenance on an air conditioner unit.
Infographic showing wide range applications for 35+5 uF dual run capacitor in AC units, refrigerators, and heat pumps.
Four-step infographic showing how to install a 35+5 uF dual run air conditioner capacitor.
35+5 uF 370/440 VAC round dual run air conditioner capacitor with terminal connectors.
35+5 uF 370/440 VAC dual run round air conditioner capacitor with dimensions and safety certification labels.
Technical specification chart for 35+5 uF 370/440 VAC dual run round air conditioner capacitor.
Top view of 35+5 MFD dual run capacitor showing C, HERM, and FAN terminal labels for AC unit motor compatibility.
BlueStars 35+5 uF 370/440 VAC dual run round AC capacitor showing aluminum case and metalized film construction.
Educational infographic showing how to choose a 35+5 uF 370/440 VAC dual run round air conditioner capacitor.
Technician installing a 35+5 uF 370/440 VAC dual run round air conditioner capacitor in an AC unit.
35+5 uF 370/440 VAC dual run round AC capacitor with technician performing maintenance on an air conditioner unit.
Infographic showing wide range applications for 35+5 uF dual run capacitor in AC units, refrigerators, and heat pumps.
Four-step infographic showing how to install a 35+5 uF dual run air conditioner capacitor.
Lifetime Warranty

[Lifetime Warranty] 35+5 uF MFD 370/440 VAC Dual Run Round Air Conditioner Capacitor - Fits AC Unit Fan Motor, Heat Pump - Replaces 97F9834 - Z97F9834

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35+5 MFD uf 370/440VAC Dual Run Round Capacitor

Key Features

  • Capacitance Rating: 35/5 Microfarad (MFD)
  • Voltage Rating: Dual rated 370 or 440 Volts AC (VAC), 50/60 Hz
  • Capacitance Tolerance: +/- 5%
  • Operating Temperature: -40°C to 70°C (-40°F to 158°F)
  • Terminals: 1/4 inch male quick-connect (3 terminals: HERM, FAN, C)
  • Case Construction: Round aluminum can with steel cover
  • Dielectric Fluid: Non-PCB oil
  • Industry Standard: Meets EIA-456-A specifications

Replaces / Cross-Reference Part Numbers

  • CD35+5X370R
  • USA2227
  • P291-3554R
  • C3355R
  • C4355R
  • TRCD355
  • 12265
  • HC98JA036
  • TT-CAP-35/5/440R

Compatibility & Fitment

  • Functions as a direct replacement for capacitors with matching MFD and voltage specifications.
  • Designed for continuous duty in HVAC systems and single-phase motor applications.
  • Commonly used in:
    • Air conditioner condensing units
    • Heat pumps
    • Furnace blower motors
    • Compressor motors
  • Compatible with equipment from major manufacturers including Goodman, Carrier, Bryant, Trane, Lennox, Rheem, and more.

When to Replace

  • Compressor or fan motor hums but will not start.
  • AC unit fails to cool or blows warm air.
  • Outdoor fan spins slowly or requires a manual push to start.
  • Visible signs of failure such as a swollen top, bulging case, or fluid leakage.
  • Capacitance measures outside the specified +/- 5% tolerance range when tested with a multimeter.

Installation Tips

  • Disconnect all electrical power to the HVAC unit before beginning work.
  • Carefully discharge the existing capacitor by shorting across the terminals with an insulated screwdriver.
  • Confirm the MFD and voltage ratings of the new capacitor match the component being replaced.
  • Note the wire placement on the "HERM", "FAN", and "C" (Common) terminals before removal.
  • Ensure all new electrical connections are clean and secure.
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  • Step 1

    Step 1

    Turn off the power and locate the capacitor
  • Step 2

    Step 2

    Discharge any stored electricity by shorting the terminals
  • Step 3

    Step 3

    Take a photo or note how the wires connect. Disconnect wires & install the new capacitor.
  • Step 4

    Step 4

    Reassemble and test

FAQ

This type of dual run capacitor is commonly used in residential air conditioners and heat pumps that use a single capacitor to support both the compressor and the condenser fan motor. Based on the cross-references provided, it is associated with GE, Genteq, and Carrier applications, including replacements for 97F9834, Z97F9834, and HC98JA036. Always match the required microfarad rating, voltage rating, terminal configuration, and physical fit to your original part before ordering.
Known cross-references for this capacitor include 97F9834, Z97F9834, HC98JA036, and C3355R. Verify the number printed on your old capacitor and confirm that the rating matches 35+5 uF MFD with a 370/440 VAC application range as specified for your equipment.
The 35+5 uF rating means this is a dual run capacitor with two capacitance sections: 35 uF for the compressor side and 5 uF for the fan motor side. The 370/440 VAC rating refers to the maximum operating voltage. A replacement must match the microfarad values exactly as required by the system. In many HVAC applications, a 440 VAC-rated capacitor can replace a 370 VAC unit if the capacitance and terminal layout match, but you should still confirm your equipment specifications first.
Typical symptoms include the outdoor AC unit humming but not starting, the condenser fan not spinning, the compressor struggling to start, intermittent cooling, warm air from the vents, or a tripped breaker during startup. A swollen top, oil leakage, or a capacitance reading outside tolerance are also strong indicators that the capacitor should be replaced.
For an experienced DIYer or technician, replacement is usually a short job, often around 15 to 30 minutes. Common tools include a screwdriver or nut driver to open the service panel, needle-nose pliers for terminal removal, and a multimeter with capacitance testing if you want to confirm failure first. Be sure power is fully disconnected at the disconnect and breaker, and the capacitor must be safely discharged before handling because it can retain a dangerous electrical charge.
Before installing, compare the old and new capacitor for the same capacitance values, equal or higher voltage rating, round style if required, and the same terminal labels, usually C, FAN, and HERM. It is also smart to inspect the condenser fan motor, compressor wiring, contactor, and disconnect area. Capacitors often fail from heat, age, voltage stress, or a motor drawing excessive current, so replacing the capacitor alone may not solve the problem if another component is causing overload.