9 ways to reduce electronics manufacturing costs

Techbit team
April 26, 2023
Electronics manufacturing cost optimisation

Do you need to manufacture electronics within a limited budget? If you are unsure where costs can be improved, this article introduces nine areas to review, from product design to sourcing and assembly.

Why optimise electronics manufacturing costs?

Lower manufacturing costs can improve the margin on the finished product. But the benefit extends beyond the price of assembly. 

A more efficient production process can also help a business respond to market changes and use its available resources more effectively. 

Reasons to review production costs include:

  1. Competitiveness: efficient manufacturing can help a business maintain a competitive offer.
  2. Profitability : reducing avoidable costs can improve product margins.
  3. Pricing flexibility : better cost control may provide more options when setting the selling price.
  4. Investment in research and development: savings can release resources for product development.
  5. Resilience to market changes : a clear cost structure helps a business assess price fluctuations and changing demand.
  6. Resource efficiency: reducing waste and unnecessary work may also lower material and energy use.
  7. Customer affordability : lower total costs may support a more accessible selling price, depending on the business strategy.

The following areas can help identify practical improvements.

How can you reduce electronics manufacturing costs?

These nine approaches can be considered during design as well as for an existing product. The potential saving needs to be assessed for the actual project.

1. Review the product design

Design decisions establish many later cost drivers, including component selection, board size, layer count and assembly complexity.

Changes are generally easier to assess before production is established. Later revisions may require new documentation, tooling, stock changes and requalification, so a saving needs to include the cost of the change.

An electronics manufacturing services (EMS) partner can provide manufacturability feedback and identify opportunities to reduce unnecessary production complexity. 

2. Reduce unnecessary parts

A design may contain parts or separate functions that could be simplified. Review this with the design team rather than removing components solely to reduce price.

Integrating suitable functions may reduce the number of parts and purchasing lines. Any change must retain the required performance, safety and serviceability.

3. Coordinate manufacturing processes

Combining related production activities with one accountable partner can reduce handoffs and coordination work.

Consider the time and logistics involved in moving assemblies between suppliers for successive operations. 

At Techbit, the agreed scope can connect component sourcing, SMT and THT assembly and final integration. Labelling, packaging and delivery arrangements need to be confirmed. Full PCB design is handled with a partner. 

Electronics manufacturing cost optimisation

4. Improve the construction

A product design may meet its functional goals without yet being optimised for manufacturing. 

Discuss board size, enclosure integration, component access and assembly methods with the relevant specialists. A simpler construction can reduce work and improve repeatability.

5. Select suitable component sources

Component availability and purchasing terms strongly influence production. Compare reliable supply channels, quantities, lead times and lifecycle information.

What happens if a critical part has only one practical source?

Limited sourcing options can expose the project to price changes and shortages. Evaluate the total purchasing cost and supply risk instead of assuming that stock availability alone makes the source suitable.

When selecting a manufacturer, ask whether it can source components through established suppliers and what purchasing responsibilities will be agreed.

6. Assess product efficiency

Consider a hypothetical choice between two devices with equivalent functions, one consuming 20 W and the other 25 W. 

The lower-power option may reduce the customer's operating cost. 

A similar consideration can affect the value of your product. Energy performance can influence the customer's purchasing decision, alongside price and functionality. 

Ask which design changes could improve efficiency and who will validate them. Product energy performance is primarily a design requirement rather than an automatic result of assembly.

At Techbit, reviewing the documentation helps identify manufacturing risks and opportunities affecting sourcing, assembly effort or schedule. Changes are agreed with the customer and must be assessed for their effect on the product.

7. Plan lead time realistically

Time to market matters in electronics. A product's opportunity can change while development, sourcing or production is delayed.

When choosing a manufacturer, ask how the schedule is established and which dependencies must be resolved. At Techbit, relevant planning points include:

  1. Prototype assembly can start from one unit, allowing an initial design to be evaluated before a larger order.
  2. The production schedule depends on complete documentation, component availability, process preparation and capacity.
  3. Ask for current on-time-delivery information with its measurement period and scope; a historical percentage is not a delivery guarantee.
  4. Staged or just-in-time deliveries can be discussed and included in the agreed schedule.

8. Include quality in the cost calculation

A short quoted lead time may look attractive, but it is only one part of the decision. 

Check how the supplier controls assembly and what tests are included. Rework or a warranty process can outweigh an apparent saving in price or time.

Ask about inspection methods, acceptance criteria and the responsibilities for functional verification.

At Techbit, a documentation review helps assess manufacturability. It does not guarantee that the product's design will function, and it should not replace prototype validation. 

The project can include defined inspection steps and agreed functional testing. Where applicable, the customer provides the tester and instructions. 

9. Evaluate approved alternatives

Some components have long lead times, which can delay production. Establish the critical parts early and review the effect on the schedule.

When the specified part is unavailable, consider whether a suitable alternative can be qualified. 

Techbit can help discuss availability and sourcing options when the customer's usual channels cannot meet the plan.

Any alternative needs customer approval and a check of electrical, mechanical, firmware and application requirements. A lower price or shorter lead time alone does not establish equivalence.

Reducing manufacturing costs: conclusion

Cost optimisation can begin at several stages, from design and component purchasing to final integration. The useful question is which change improves the total project economics without compromising the agreed requirements.

Would you like to discuss these opportunities?

A manufacturing partner contributes equipment, experience, sourcing knowledge and coordination. This helps turn a cost review into an actionable production plan.

Arrange a manufacturability consultation

Follow the link to arrange a PCB manufacturability consultation 

Share this article