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Aluminum Electrolytic Capacitors -- OEM & ODM

The capacitor that
won't let your
product down.

SUSAN builds precision aluminum electrolytic capacitors for PD fast-chargers, power adapters, and home appliances -- with factory-direct pricing, low MOQ, and 72-hour sample turnaround from our 1,000-staff Dongguan facility.

−55°C ~ 105°C 6.3V ~ 450V 0.1µF ~ 470,000µF RoHS 3 · ISO 9001 Low MOQ · Fast Delivery
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Certified & Compliant
AEC-Q200 IEC 60384-4 RoHS 3 REACH ISO 9001 CE
The Procurement Challenge

Your last capacitor supplier cost you more than money.

Procurement managers across the US and Europe tell us the same story -- and we built SUSAN to solve every one of these problems.

Unstable Performance

Capacitor failures mid-production cause line stoppages, safety recalls, and damaged client relationships. Every unit leaving our Dongguan factory is 100% tested.

Unreliable Delivery

Missed shipment windows push out your production schedule and put contracts at risk. Our fully automated lines maintain consistent output with buffer inventory.

No Customization

Off-the-shelf specifications rarely fit your exact voltage, capacitance, or footprint requirements. SUSAN's OEM/ODM team handles custom specs with no minimum tooling fees.

1,000+
Factory staff, fully automated production
42+
Product series in active production
72hr
Standard sample turnaround time
15yr
Manufacturing experience in Dongguan
Product Series

Three core series. Every mounting style. One trusted source.

Whether you're designing a 65W GaN charger or a 5kW industrial inverter, we have the series and the specs to match your BOM.

Radial Lead Aluminum Electrolytic Capacitor

Radial Lead Aluminum Electrolytic Capacitors

The industry workhorse for consumer electronics, PD chargers, and general-purpose filtering. Available in standard and long-life grades.

Voltage 6.3V ~ 100V
Capacitance 0.1µF ~ 22,000µF
Temp Range −40°C ~ 105°C
Lifetime Up to 2,000h
PD Fast-Charge Adapters LED Drivers
Request Datasheet
Snap-In Aluminum Electrolytic Capacitor

Snap-In Aluminum Electrolytic Capacitors

High ripple-current handling designed for DC-link stages in switching power supplies, inverters, and industrial drives.

Voltage 16V ~ 450V
Capacitance 100µF ~ 47,000µF
Temp Range −40°C ~ 105°C
Lifetime Up to 3,000h
Inverters SMPS Motor Drives
Request Datasheet
Screw Terminal Aluminum Electrolytic Capacitor

Screw Terminal Aluminum Electrolytic Capacitors

Large-can energy storage for UPS systems, welding equipment, and heavy-duty industrial applications that demand maximum ESR performance.

Voltage 25V ~ 400V
Capacitance 1,000µF ~ 470,000µF
Temp Range −40°C ~ 85°C
Lifetime Up to 2,000h
UPS Welding Wind & Solar
Request Datasheet
Why SUSAN

Factory-direct quality. Distributor-speed delivery.

We eliminate the middlemen, the margin stacks, and the communication delays that plague international capacitor sourcing.

Fully Automated Factory

Our 1,000-staff Dongguan facility runs automated winding, sealing, and test lines -- delivering consistent quality at scale without human variation error.

OEM & ODM Capability

Custom voltage ratings, capacitance values, sleeve colors, and packaging. Our R&D team works from your datasheet or application brief.

100% QC Testing

Every capacitor is tested for capacitance, ESR, leakage, and life performance before shipment. Third-party audit reports available on request.

Stable & Fast Delivery

Buffer inventory and automated scheduling mean your lead times are protected even during peak seasons. Sample shipments within 72 hours.

Competitive Mid-Range Pricing

Factory-direct pricing with no distributor markup. Volume discounts begin at modest quantities, with low MOQ for new product development phases.

Export-Ready Documentation

Full suite of compliance documentation for US and European markets: RoHS, REACH, CE, ISO 9001. Customs and logistics support included.

Industries & Applications

Built for the products that power modern life.

From the 65W charger on your desk to the inverter in a solar farm -- SUSAN capacitors are inside the devices that can't afford to fail.

PD Fast Charging application

PD Fast Charging

GaN & USB-C adapters

Home appliances application

Home Appliances

HVAC, white goods, lighting

Industrial power application

Industrial Power

Inverters, UPS, drives

Renewable energy application

Renewable Energy

Solar, wind, EV charging

Customer Testimonials

Procurement managers who made the switch.

From sample to serial production, our customers consistently report fewer qualification headaches and more reliable delivery.

"We switched to SUSAN after two consecutive bad batches from our previous supplier. The ESR specs matched the datasheet exactly, and our line quality went up immediately. 72-hour sampling is real -- not just marketing copy."

Olivia Parker
Procurement Manager · US Consumer Electronics Brand

"The OEM customization process was far simpler than expected. We gave them our application brief for a 65W GaN charger and got a qualified part number in three weeks. Pricing was 18% below our previous distributor."

Markus Bauer
R&D Engineer · German Power Electronics Manufacturer

"Delivery reliability is what keeps us coming back. We run tight production windows, and SUSAN has never missed a confirmed ship date in 18 months. Their compliance documentation also holds up to our EU import audit."

Sarah Thompson
Supply Chain Director · UK Appliance Manufacturer
How It Works

From inquiry to serial production in 5 steps.

We've designed our process to be fast, transparent, and risk-free for procurement managers and engineers.

1

Submit Inquiry

Share your specs, application, and quantity. Our team responds within one business day.

2

Engineering Review

We recommend the optimal series or design a custom solution to match your exact requirements.

3

Sample Shipment

Qualified samples shipped within 72 hours. Standard and custom series both available.

4

Qualification & QC

Full test reports, compliance certificates, and third-party audit support provided.

5

Production & Delivery

Automated production with buffer inventory ensures on-time delivery every order.

Ready to Start?

Send us your duty cycle. We'll send back the part number.

Datasheets, custom samples, cross-reference support, and competitive quotes -- all available with a single inquiry. Our engineering team is standing by.

Request a Quote Talk to Engineering
Send an Inquiry

Get specs, samples, and pricing -- in one message.

Whether you need a datasheet, a cross-reference, a custom OEM specification, or a bulk quote -- fill in the form and our team will respond within one business day.

  • Free samples shipped within 72 hours of confirmation
  • Engineering response within 1 business day
  • Full compliance documentation (RoHS, REACH, CE, ISO 9001)
  • Custom OEM/ODM specs with no tooling fee for standard modifications
  • Competitive pricing with volume discount tiers
  • Dedicated account manager for US and EU customers
SUSAN Capacitor
Dongguan, Guangdong, China
1,000+ staff · Fully automated production
Exporting to USA, Germany, and Europe
72-hour sample turnaround · MOQ flexible
Accepted: PDF, DOC, DOCX, XLS, XLSX, JPG, PNG, ZIP · Max 100MB per file
Submitting your inquiry...

Name and Email are required. We respond within 1 business day.