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Hardware Design and Manufacturing Costs

A guide for approximating PCB design, fabrication, and assembly costs with examples

Orion Serup
#PCBA #hardware-design #PCB-design #manufacturing #cost-analysis
Hardware Design and Manufacturing Costs

Hardware projects cost $25k-300k for 1000 units. Every project is different, but here’s what typically drives costs and how to estimate yours.

Project Cost Overview

ComplexityTotal Project CostWhat’s Included
Simple IoT device$25k-50kBasic sensors, wireless, simple enclosure
Industrial controller$60k-120kMultiple I/O, protocols, compliance
Medical device$125k-300kSafety features, regulatory, extensive testing

These numbers include design, components, fabrication, assembly, and testing for 1000 units.

Real Project Costs

IoT Temperature Sensor (1000 units)

WiFi, 2-year battery, plastic enclosure

  • US manufacturing: $38k (9 weeks)
  • China manufacturing: $32k (13 weeks)
  • Savings: 16% (not the 60% they quoted)

Industrial Controller (500 units)

Multiple I/O, Ethernet, metal enclosure

  • US manufacturing: $85k (15 weeks)
  • Mexico manufacturing: $65k (17 weeks)
  • Savings: 24% (NAFTA benefits, easier communication)

Reality check: Offshore savings are real but lower than quoted. Budget for quality trips and communication delays.

Where to Manufacture

Volume drives the decision:

  • Under 500 units: Stay local. Setup costs kill offshore savings.
  • 500-2,000 units: Mexico or Eastern Europe. Good savings, easier communication.
  • Over 2,000 units: China becomes worth it. Fixed costs spread over volume.

Chinese manufacturing needs $15k-25k in fixed costs. At $2-4 per unit savings, you need 4,000-8,000 units to break even.

Project Cost Breakdown

Hardware projects have 5 main cost buckets:

Cost Category% of Total ProjectTypical Cost (1000 units)
Design30-40%$15k-75k
Components25-35%$12k-100k
Assembly20-30%$10k-70k
Testing5-15%$3k-40k
PCB Fabrication5-10%$3k-25k

Design (30-40% of total project)

Engineering rates vary widely ($100-300/hour depending on experience, location, and tooling). Design time depends on complexity and engineer efficiency:

Project TypeDesign HoursTotal Cost Range
Basic IoT device80-200 hours$8k-60k
Industrial controller150-400 hours$15k-120k
Medical device300-800 hours$30k-240k

Factors affecting design time:

  • Engineer experience and tooling efficiency
  • Requirements clarity and scope creep
  • Component selection and availability
  • Regulatory requirements and compliance needs

PCB Fabrication (5-10% of total project)

Board costs depend on layers and volume. Simple 2-layer boards cost $3 each at 1000 units. Complex 8-layer boards cost $22 each.

Cost multipliers that hurt:

  • Adding layers: 2→4 layers costs 3x more
  • Fine features: <6mil traces add 30%
  • Premium finishes: ENIG adds 20%

Components (25-35% of total project)

ICs dominate the BOM cost. Microprocessors and power management chips typically cost 40-60% of your component budget.

Lead time reality:

  • Stock components: Normal pricing
  • 8+ week lead times: 20-50% premium
  • Shortage/allocation: 2-5x normal price

Choose components with multiple sources and reasonable lead times.

Assembly (20-30% of total project)

Assembly costs depend on component count and complexity:

Project ComplexityCost per Board (1000 units)
Simple (45 components)$10/board
Medium (160 components)$30/board
Complex (280 components)$68/board

BGAs and fine-pitch components cost more to place. Through-hole parts cost 5x more than SMT.

Testing (5-15% of total project)

Testing costs are often underestimated:

Essential testing:

  • Functional test: $10k-20k total for 1000 units
  • Environmental test: $5k-12k (temperature, humidity)
  • EMC pre-compliance: $8k-15k (saves money vs. failing formal tests)

Prototype iterations: Budget $30k-80k total for proof-of-concept through pilot run. Each iteration takes 3-6 weeks.

Quick Cost Estimate

Rough formula: Design cost ≈ (PCB layers × $500) + (component count × $15) + complexity factor

Complexity factors:

  • Simple digital: 1.0x
  • Mixed signal: 1.3x
  • High-speed: 1.6x
  • Medical: 2.0x

Example design cost calculations:

  • Consumer IoT (4L, 150 components): $3k-12k design cost
  • Medical device (6L, 250 components): $8k-32k design cost
  • Industrial (4L, 200 components): $4k-15k design cost

Wide ranges reflect differences in engineer rates, efficiency, and project complexity. Multiply by 2-5x for total project cost.

Common Mistakes That Blow Budgets

MistakeCost ImpactHow to Avoid
Component selection by price only50-100% overrunCheck availability, lead times, alternates
No iteration budget25-50% overrunPlan for 2-3 prototype rounds
Rushing design phase200%+ overrunProper requirements, design reviews
Offshore “savings” assumptions30-50% overrunFactor hidden costs, quality trips

Manufacturing Location Decision

Your SituationBest ChoiceWhy
<500 units, tight timelineUS/LocalSetup costs kill offshore savings
500-2k units, cost-sensitiveMexico/EuropeGood savings, easier communication
>2k units, cost-criticalChina/AsiaVolume justifies fixed costs
Regulatory/IP-sensitiveUS/LocalCompliance and protection easier

Cost Optimization Strategies

StrategyPotential SavingsImplementation
Standard packages only15-30% assemblyAvoid exotic packages, stick to 0603/0805
Single assembly process10-20% assemblyAll SMT or all through-hole, not mixed
Design for test20-40% testingInclude test points, boundary scan
Volume planning20-40% totalCombine multiple products in one run

Budget Planning

Budget CategoryAdd This BufferWhy
Design iterations+25%First design rarely works perfectly
Manufacturing delays+15%Component shortages, fab delays
Testing and rework+10%Debug time, ECO changes

Reality check: A $15k design that works beats an $8k design that needs $20k in fixes.

For firmware development costs that complement your hardware budget, see our firmware cost analysis.

Disclaimer: All costs are industry averages based on 2024 data. Every project is different - actual costs vary significantly based on specific requirements, supplier relationships, market conditions, component availability, and unique project constraints. Regional costs vary 20-60% depending on location and quality requirements.