What Is the SMT Minimum Order Quantity?
Many R&D and startup teams worry their volume is "too small to be accepted." In fact, Shinly International accepts small-batch and prototype SMT, from a few trial units to full production. The real question isn't "how few," but how one-time fees are amortized. Here's the full picture.
SMT "Minimum Order" Is Really a Cost Question
Unlike PCB fabrication, SMT assembly has no fixed minimum piece count—technically even 1 board can be assembled. What really decides whether it's worthwhile is the one-time cost (NRE) incurred per batch: stencil, program creation, setup and first-article inspection. These are roughly the same whether you build 5 or 500 boards, so the fewer the units, the higher the cost amortized per board.
So we usually suggest: build 5-30 units for prototyping to validate the design, then move to small batch or production so one-time fees are spread across more units and per-board cost drops.
What Are the One-Time SMT Fees?
| Fee | Purpose | Reusable? |
|---|---|---|
| Stencil fee | Metal template for solder paste printing, made per design | Yes—reuse for same revision |
| Programming fee | Placement coordinate program and BOM setup | Yes—reuse for same part |
| Setup / changeover | Loading feeders per BOM and first-article check | Per batch |
| Placement cost | Assembly labor, based on placement count and area | Per actual quantity |
* On a reorder of the same revision, stencil and programming fees can usually be saved—a cost advantage of repeat orders.
How to Lower Small-Batch SMT Cost
- 1Build a few more units: stencil and programming fees are fixed, so going from 5 to 20-30 units noticeably lowers per-board cost and leaves spares.
- 2Supply or consign components: common passives (resistors, capacitors) can be consigned to us for volume pricing; special ICs are best supplied by you to avoid lead-time and availability risk.
- 3Standardize the design: favor common packages and avoid too many rare part numbers to reduce setup and procurement cost.
- 4Plan repeat orders: reordering the same revision saves stencil and programming fees—ideal for products shipped in small recurring batches.
FAQ
Q1. What is the minimum number of boards for SMT?＋
We accept small-batch and prototype runs, from a few trial units to production. It comes down to amortizing one-time fees; 5-30 units is usually cost-effective for prototyping.
Q2. Do I supply components or do you procure them?＋
Either works. Common passives can be consigned to us for volume pricing; special or long-lead ICs are best supplied by you to reduce lead-time and availability risk.
Q3. Is a reorder of the same board cheaper?＋
Yes. The stencil and placement program for the same revision can be reused, usually saving those one-time fees and lowering per-board cost.
Q4. Is inspection done after SMT placement?＋
Yes. We have SPI, AOI and X-RAY, and can add ICT / FCT functional testing as needed to ensure solder and functional quality.
Want to Estimate Small-Batch SMT Cost?
Send your BOM and Gerber—we'll help find the most cost-effective approach and reply with a quote.
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