You need only 50 trays, but the supplier tells you the mold alone will cost far more than the trays. That is not a trick; it is how tooling works. What most people do not realize is that in many cases, no new mold is needed at all.
The real cost of a new mold is higher than you think
Tooling for an ESD tray is a significant up-front cost, and complex shapes or multi-cavity molds cost more. With an annual demand in the thousands, the cost spreads out acceptably; but for 50 or 100 trays (prototypes, small-batch production, buffer stock), the mold charge becomes a barrier, and can be many times the cost of the trays themselves. Worse, once a mold is made, later design changes often need a new mold or rework, so the new product design is “locked in” by the mold.
When is a new mold worth it, and when is it not?
| Situation | New mold not worth it | New mold makes sense |
|---|---|---|
| Quantity | Under 500 | Over 1,000 |
| Design status | Prototype, dimensions not final | Product frozen, no further changes |
| Nature of demand | Temporary buffer or spare stock | Long-term, high-volume fixed spec |
| Special needs | None; an existing mold fits | Special material, color or precision requirements |
Shared existing molds: no new mold, order small quantities directly
JIAHON’s affiliated company has built up a large library of existing ESD tray molds over the years, covering many common electronic component sizes, and shares them with customers who need them. If your part fits, you can order directly from an existing mold, with no new mold.
| Item | New mold | JIAHON existing mold |
|---|---|---|
| Up-front cost | Mold charge | No mold charge |
| Minimum order | Usually needs volume to make sense | From 50 pieces |
| Sample lead time | Mold making and sampling take weeks or more (depending on mold complexity) | Existing molds, samples on request |
| Design flexibility | A design change needs a new mold | Switch to another existing mold |
How do you confirm an existing mold fits?
Send the part’s length, width and height, or a physical sample, and JIAHON engineering will match it against the mold library and arrange a quick trial fit. If the part fits and does not move, it can be used directly.
Further reading: JIAHON shared mold announcement, Tray size finder
Products mentioned:
- JIAHON tray design improvement
- Trays / corrugated boxes / black ESD soft trays
- Tray / vacuum-formed tray series
Not sure which tray size fits? Ask us
Send part dimensions or a sample, and JIAHON will match it against the existing molds and send samples for confirmation. Contact JIAHON or email [email protected].