When a part is out of stock at your usual distributors, factory surplus is often where it can still be found. But "surplus" covers very different kinds of stock, and it pays to know what you are buying. This guide explains what factory surplus is, why buyers use it, where its limits are, and how to check a surplus lot before you order.
Key takeaways
- Factory surplus is original-manufacturer stock that an electronics manufacturer bought for its own production and never used.
- It can cover shortage and end-of-life parts that franchised distributors no longer have, often in original packaging.
- It comes without franchised-channel traceability, so check the part number, date code, condition, documents, testing options and return terms.
What is factory surplus?
Electronics manufacturers buy components for their own production. When forecasts change, designs are revised or products are discontinued, some of those components are never used. That unused stock is factory surplus: original parts, bought through normal supply channels, that have been sitting in a manufacturer's warehouse rather than on a circuit board.
Factory surplus is different from:
- Franchised distribution stock, which comes from the manufacturer's franchised distributors with full traceability.
- Broker stock, which may have been bought and resold several times before it reaches you, so its history can be harder to trace.
- Recycled or refurbished parts, which have been removed from used boards. These are not surplus, and they should never be sold as new.
Why buyers use factory surplus
- Availability. Surplus stock often includes parts that are on allocation, have long lead times or are no longer produced.
- Original packaging. Because the parts were bought for production and never used, they are often still in reels, trays or sealed moisture barrier bags.
- Simpler history. Stock that comes from one manufacturer's warehouse has a simpler history than stock that has passed through many traders.
- Small quantities. Surplus can cover a short-term gap or a small build without buying a full manufacturer minimum order.
Pricing on the surplus market is set lot by lot and depends on the part, quantity and condition, so it is worth comparing quotations.
The limits of factory surplus
Surplus is not the right answer for every purchase. Be aware of:
- Traceability. Surplus does not come with the manufacturer's franchised-channel traceability or warranty.
- Date codes. Surplus stock may be older than fresh distributor stock. Check that the date code meets your requirements.
- Storage history. Storage conditions vary from one warehouse to another, which matters most for moisture-sensitive parts.
- Limited quantities. A surplus lot is what it is: once it is sold, the same lot will not come back.
How to check a surplus lot before you order
- Exact part number, including every suffix.
- Date code. One date code or several? Does it meet your purchasing specifications?
- Packaging and condition. Original reels, trays or tubes; sealed or opened; moisture barrier bags with desiccant and a humidity indicator card for moisture-sensitive parts.
- Origin. Ask whether the stock is factory surplus or has passed through other traders.
- Documents. A manufacturer or distributor Certificate of Conformance (CoC) if the seller holds one, or the supplier's own inspection report.
- Testing. Whether an independent lab test can be arranged before shipment.
- Returns. What happens if the parts are wrong, counterfeit or damaged.
For a deeper look at warning signs and test methods, read our guide on avoiding counterfeit components.
Factory surplus and other sources at a glance
| Franchised distributor | Factory surplus | Broker stock | Recycled parts | |
|---|---|---|---|---|
| Where it comes from | Manufacturer's franchised channel | A manufacturer's unused production stock | Bought and resold by traders | Removed from used boards |
| Traceability | Full | Limited; depends on documents available | Varies | None; not new parts |
| EOL and shortage parts | Often sold out | Often available | Often available | Should not be bought as new |
| What to check | Lead time and stock | Date code, condition, documents | Origin, documents, testing | Avoid when you need new parts |
Factory surplus on StockWake
Most of our stock is factory surplus — original-manufacturer parts that electronics manufacturers bought and never used. Distribution stock supplements hard-to-find and end-of-life parts. All parts are original, not refurbished or recycled.
- Search our stock by part number. Listed quantities change over time and are for reference only. The available quantity, price and lead time are confirmed in our written quotation.
- Quoted per inquiry, in USD. Prices are not listed on the site. Send us the part numbers and quantities you need and we will email you a quotation in US dollars, including lead time and shipping cost. Quotations are valid for 7 days, subject to prior sale.
- Documents. If the seller holds a manufacturer or distributor Certificate of Conformance (CoC), we provide it. If not, we provide our own outgoing inspection report. The quotation states which one applies.
- Optional third-party testing. You may ask for an independent third-party lab test before shipment. The testing fee is paid by the buyer.
- Returns. If parts are wrong, counterfeit or damaged, tell us within 30 days of delivery. We refund the parts and pay the return shipping. Parts marked NCNR (non-cancellable, non-returnable) are excluded: the 30-day return policy does not apply to them.
Do you hold factory surplus yourself? Send us your list. You set a floor price, and we charge you no fees.
Frequently asked questions
Is factory surplus new? Factory surplus parts were bought for production and never used. Check the date code and condition, because "never used" does not mean recently made.
Is factory surplus the same as refurbished? No. Refurbished or recycled parts have been removed from used boards. All parts on StockWake are original, not refurbished or recycled.
Can I get a Certificate of Conformance? If the seller holds a manufacturer or distributor Certificate of Conformance (CoC), we provide it. If not, we provide our own outgoing inspection report. The quotation states which one applies.
Looking for a part your distributors cannot supply? Search our stock or send us your BOM.