Why quotes come back incomplete
Most delay in component purchasing is not caused by the market — it is caused by an enquiry that cannot be priced. "How much for the regulator?" has no answer, because the suffix decides the package, the grade, the packing and therefore the price. The fastest way to slow an order down is to leave the part number or the quantity open.
MOQ: minimum order quantity
The MOQ is the smallest quantity a line will be sold in. It usually comes from one of three places: a manufacturer's minimum packing unit, a reel or tray size, or the seller's own handling cost.
Two things are worth noticing. First, a MOQ is a commercial threshold, not a technical limit — it can sometimes be negotiated, particularly if you are buying other lines at the same time. Second, MOQ often applies per line item rather than per order, so a ten-line order can still be uneconomical even when the total quantity looks substantial.
Price breaks: how quantity changes unit price
Unit price typically falls in steps as quantity rises, because setup, handling and packing costs are spread over more units. A typical enquiry might carry three or four bands. Two practical consequences:
- Compare at the same quantity. A unit price is meaningless without its band. Comparing a 100-piece price against a 1,000-piece price is the most common error in quotation analysis.
- The step just above your need is often worth costing. If your requirement sits just under a break, the next band may be cheaper in total than your exact quantity. This is a natural question to ask the supplier.
Packaging multiples
Parts are supplied in defined multiples: tape and reel, tube, tray or bulk. Quantities are usually rounded to these units, so the shipped quantity may differ slightly from the ordered quantity. For an assembly line this matters — packaging determines whether the part feeds automatically, and how much handling and re-reeling it needs. If your line has a specific reel or tube requirement, state it in the enquiry rather than assuming it will match.
Lead time: what the number hides
Lead time is normally quoted as working days from order confirmation, and in practice it breaks into stages: stock allocation, picking and inspection, packing, export documentation, and transit. Two distinctions matter:
- Stock versus factory lead time. An in-stock item ships from a warehouse; a factory lead time includes manufacturing and is quoted in weeks, often with a schedule risk attached. The two should never be presented as one number.
- Transit time versus total time. Courier transit is the visible part and rarely the longest. Documentation and consolidation can add days.
If a delivery date is critical, ask which parts of the chain are included in the quoted figure, and whether the quantity is genuinely reserved at the moment of quoting.
What to put in an enquiry so it can be answered once
- The complete ordering code, including the suffix — not the family or base number
- Quantity required, and the expected annual volume if you have it
- Destination country and city, so freight and duty can be estimated
- Any packaging requirement: reel size, tube, tray, or dry-pack
- Required delivery date, and whether it is firm or a target
- Any compliance constraint: lead-free, RoHS, temperature grade, or traceability documentation
Comparing two quotations properly
Before choosing on price, bring both quotations to the same basis: same quantity, same packaging, same Incoterms, same destination, same lead time basis. Add the cost of anything excluded — freight, duty, re-reeling, incoming inspection. A lower unit price with a longer and less certain lead time is frequently the more expensive option once line stoppage risk is priced in.
Quoting a line item
At YILUDA TECH every listed part is 100% original, new and unused, held in stock at our Shenzhen warehouse and shipped worldwide by DHL, FedEx or UPS, with incoming inspection and traceability available on request.
Send the full ordering code with quantity and destination for a quotation covering price, availability and lead time. You can also browse the complete inventory, or start from a brand such as Diodes Incorporated, KEMET or Samtec.