25-30µF 125V AC Motor Capacitor
Part Number: MS125V25-30
25-30µF • 125V AC • 85°C • Motor Start Capacitor
Capacitance
25-30µF
Voltage
125V AC
Tolerance
±±20%
Temp Rating
85°C
Mounting
can
Dielectric
electrolytic
$19.35 each × 1
About the 25-30µF 125V AC Motor Capacitor
Motor Start Capacitors capacitor. Capacitance: 25-30µF, Voltage: 125V AC. Part Number: MS125V25-30.
Applications for 25-30µF 125V AC Motor Start Capacitors
Typical design scenarios where the MS125V25-30 (25-30µF / 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
PCB-Mount Circuits
Through-hole and mixed-technology assemblies in prototype, low-volume, and field-repairable designs
HVAC & Motor Systems
Single-phase motor start/run, compressor circuits, and fan motors in commercial HVAC equipment
Need a Replacement for MS125V25-30?
25-30µF · 125V AC · can
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 MS125V25-30
Why Choose This Motor Start 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 MS125V25-30 with alternative part numbers.
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Frequently Asked Questions
Common questions about MS125V25-30 and motor start capacitors
What applications use a 25-30µF 125V AC motor start capacitor?
This 25-30µF 125V AC motor start 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 MS125V25-30 handle high-temperature environments?
The MS125V25-30 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 is the recommended PCB footprint for the MS125V25-30?
The MS125V25-30 uses can mounting. Refer to the manufacturer datasheet for the recommended land pattern. For through-hole parts, ensure the drill diameter is 0.2–0.3mm larger than the lead diameter for reliable hand or wave soldering.
What capacitors can replace the MS125V25-30?
Cross-referencing the MS125V25-30 requires matching capacitance (25-30µF), 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 MS125V25-30?
Yes. Industry best practice is to operate capacitors at 60–80% of their rated voltage. For the MS125V25-30 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 MS125V25-30?
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 MS125V25-30 shows as out of stock, our sourcing team can typically locate motor start capacitors within 1–2 weeks through our manufacturer and distributor network. Contact us for expedited options or large-quantity pricing.
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