53-64µF 125V AC Motor Start Capacitor
Part Number: MS125V53-64
53-64µF • 125V AC • 85°C • Motor Capacitor
Capacitance
53-64µF
Voltage
125V AC
Tolerance
±±20%
Temp Rating
85°C
Mounting
screw
Dielectric
electrolytic
$29.44 each × 1
About the 53-64µF 125V AC Motor Start Capacitor
Motor Start capacitor for HVAC, compressors, and motors. 53-64µF, 125V AC.
Applications for 53-64µF 125V AC Motor Capacitors
Typical design scenarios where the MS125V53-64 (53-64µF / 125V AC) is specified:
General Electronics
Filtering and energy storage for circuits operating at 125V AC voltage levels
Industrial Equipment
Process control, PLC I/O modules, and automation system power conditioning
Power Capacitor Banks
High-current bus bars in industrial inverters, regenerative drives, and capacitor bank assemblies
HVAC & Motor Systems
Single-phase motor start/run, compressor circuits, and fan motors in commercial HVAC equipment
Need a Replacement for MS125V53-64?
53-64µF · 125V AC · screw
Our engineers can cross-reference this part to find a compatible replacement that meets or exceeds the original specifications — with full CoC and traceability documentation.
Technical Specifications
Complete specifications for MS125V53-64
Why Choose This Motor Capacitor?
- Part of the MS series — cross-reference available for equivalent parts from other manufacturers
- 100% electrically tested before shipment for guaranteed in-spec performance
- Ships same-day from US warehouse when ordered before 3 PM EST
Need Technical Assistance?
Our capacitor specialists can help with selection, cross-reference, and application questions.
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Looking for an Equivalent?
We can help cross-reference MS125V53-64 with alternative part numbers.
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Frequently Asked Questions
Common questions about MS125V53-64 and motor capacitors
What applications use a 53-64µF 125V AC motor capacitor?
This 53-64µF 125V AC motor capacitor serves filtering and energy storage in mid-voltage circuits such as telecom power systems, LED drivers, and bench-top instrumentation power stages.
Can the MS125V53-64 handle high-temperature environments?
The MS125V53-64 is rated for 85°C, which covers standard commercial and light-industrial environments. For installations in enclosed cabinets or hot climates where ambient temperatures exceed 65°C, consider selecting a 105°C-rated alternative for additional thermal margin.
What torque specification should I use for the MS125V53-64 screw terminals?
Use the torque value specified in the manufacturer datasheet — typically 1.5–2.5 N·m for M5 terminals and 0.8–1.2 N·m for M4 terminals. Over-torquing can crack the terminal seal and allow electrolyte leakage. Use star washers for vibration resistance and re-torque connections after 24 hours of initial thermal cycling in the target application.
What capacitors can replace the MS125V53-64?
Cross-referencing the MS125V53-64 requires matching capacitance (53-64µF), voltage (125V AC), temperature rating (85°C), and physical dimensions. ESR and ripple current ratings must also meet or exceed the original spec for reliable operation. Contact our technical team at 800-731-1433 for verified cross-reference options — we maintain compatibility data across major manufacturers.
Should I derate the voltage when using the MS125V53-64?
Yes. Industry best practice is to operate capacitors at 60–80% of their rated voltage. For the MS125V53-64 rated at 125V AC, this means designing your circuit to keep the applied voltage below 100V under all conditions including transients. Voltage derating significantly extends capacitor life — each 10% reduction in applied voltage can roughly double the expected service life for electrolytic types.
What is the lead time for the MS125V53-64?
In-stock items ship same-day when ordered before 3 PM EST, with standard delivery of 2–5 business days within the continental US. If the MS125V53-64 shows as out of stock, our sourcing team can typically locate motor capacitors within 1–2 weeks through our manufacturer and distributor network. Contact us for expedited options or large-quantity pricing.
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