Semiconductors Unlimited

Semiconductors Unlimited specializes in power semiconductor devices. With over 35 years of industrial sourcing experience we have supplier channels and connections to provide most any device and brand. When you are facing long lead times or told your device has been discontinued and obsolete you’ll appreciate why so many count on a competitive quote from us for all their sourcing requirements.

Since 1978 the founder has owned and managed several predecessor industrial electronic service companies; Titan Reps Inc. a manufactures representative, Fuse-Tex Inc. a distributorship, Thyristor Power a systems integrator panel shop, Corban Technologies Division of Corban Communications and Pala Technologies Inc. a distributor and manufacturer.

Pricing Model:

We offer discounts to OEMS, distributors/resellers, service and repair companies, importers/exporters, MRO and volume end users. We believe it takes communication and collaboration to win business; we’ll strive to be as competitive as possible if we know your target price or budget. Let us help you grow your business!


Standard lead times are stock -10 business days. Delivery dates may vary slightly for orders sourced from our overseas partners. We ship worldwide primarily using main international couriers such as UPS, FedEx, DHL and other shipping couriers upon request. We will gladly bill freight to customers’ account. We will do our best to accommodate same day door to door delivery when there is equipment down emergency situation. We offer blind drop-shipments directly to your customer with your packing list enclosed and assure our integrity to protect your customer relationship. We strive to meet every client’s request!

Vendor Selection:

With over 35+ years in the industry, We have some of the best sources from original components manufacturers, authorized distributors and trusted partners. We take the headache and risk out of dealing with unscrupulous overseas suppliers and running the risk of counterfeit or refurbished devices. These buying processes ensure that you’ll receive quality products, competitive prices, with some of the best lead times in the industry.

Third-party Inspection Capabilities:

Upon request and for a nominal fee, We can verify and ensure the highest quality products to our customers. A comprehensive due diligence inspection program is available for all products prior to delivery, incoming inspection methods are based upon customer specified requirements and quality standards.

  • Complete Visual inspection
  • Reliability testing
  • Authenticity Inspection & Verification (AIV)
  • Electrical testing: Ices (1200V), Iges, Vgeth, and Vcesat
  • Data sheet verification.
  • Pb-free / RoHS testing

Warranties & Returns:

We warrants form fit and function of our product for a minimum 60 days against specifications and requirements of original components manufacturers from the date of receipt. In case of damaged or defective parts a customer should submit a claim. Returning product is easy, submit your RMA request with official test report or pictures in case of damage within the warranty period and we will credit or replace the items. When a claim is accepted we offer ground reshipment of products at our expense.

Payment Terms:

Due to the variety of customers we serve we analyze each customer account to determine mutually agreeable terms. Credit terms may be extended, credit cards accepted, escrow, COD, bank wire deposits or full prepayment. To apply for credit terms you must submit banking and three credit references.