Abstract: The 2026 Iran conflict has sent shockwaves through the global electronic components supply chain, exposing critical vulnerabilities that extend far beyond oil prices and shipping delays. With the Strait of Hormuz effectively reduced to a controlled corridor and Red Sea routes simultaneously compromised, the electronics industry faces a dual chokepoint crisis unlike anything seen in the modern era.This article examines the cascading effects on semiconductor manufacturing — from surging energy costs and petrochemical disruption to acute shortages of specialty materials, including helium, bromine, and sulphur — and assesses the geopolitical dimensions introduced by allegations of Chinese chipmaking technology transfers to Iran. It argues that the conflict marks a decisive turning point for the industry, demanding deeper supply chain visibility, genuine diversification, strategic stockholding, and a structural shift towards regionalized manufacturing. For procurement teams, design engineers, and business leaders across the electronics sector, the lessons of this crisis will shape sourcing strategy for years to come.
Four weeks ago, most people in the electronics industry were focused on tariff negotiations, AI chip demand forecasts, and the usual lead-time dance with their suppliers. Today, the conversation has shifted entirely. The military strikes against Iran that began on 28 February have exposed fault lines in the global electronic components supply chain that many of us suspected were there but chose not to examine too closely.
This is not a recap of the conflict itself. It is an assessment of what the Iran war means for anyone who designs, sources, manufactures, or sells electronic components and crucially, where things are likely to head from here.
Two Chokepoints, One Industry
The electronics industry has always operated on the assumption that goods can move freely across oceans. That assumption is now being tested in the most direct way imaginable.
The Strait of Hormuz — the narrow channel between Iran and Oman through which roughly a fifth of all global oil and over a tenth of seaborne container traffic flows — has effectively become a controlled corridor. Prior to the conflict, around 138 commercial vessels passed through daily. Within days of the Iranian Revolutionary Guard issuing threats to shipping on 2 March, that figure collapsed. By some tracking data, as few as two vessels were transiting per day by 5 March. Tehran has since introduced what amounts to a permit system, with reports of vessel operators negotiating passage fees — a development that, if formalized, would represent a fundamental change to the rules of international maritime trade.
Simultaneously, Houthi forces have resumed targeting vessels in the Red Sea and Gulf of Aden, threatening the alternative route through the Suez Canal. The result is that both major east-west maritime corridors are compromised at the same time. Shipping lines are routing around the Cape of Good Hope, adding a fortnight or more to transit times and several thousand dollars per container in additional cost.
For our industry, the practical consequence is straightforward: components, subassemblies, and finished goods that were already on tight delivery schedules are now arriving late, costing more, and — in some cases — sitting in holding patterns at sea with no confirmed arrival date. This is not a theoretical risk. It is happening now, and there is no clear timeline for when normal routing will resume.
Looking ahead, even if a ceasefire is reached in the coming weeks, the precedent has been set. Insurers, shipping lines, and logistics planners will price Gulf transit risk differently for years to come. The days of treating the Strait of Hormuz as a routine waypoint are over, and electronics supply chains built around Asia-to-Europe sea freight will need to account for this permanently higher baseline of risk.
The Energy Equation Nobody Wants to Talk About
Oil prices dominate the headlines — Brent crude climbed sharply past the $100 mark within ten days of the strikes — but the real story for electronics sits further down the value chain, in places most people never think to look.
Semiconductor fabrication is extraordinarily energy-intensive. The fabs in Taiwan, South Korea, Japan, and mainland China that produce the vast majority of the world’s chips depend heavily on imported energy, much of it sourced from the Middle East. When the cost of powering those facilities rises, it feeds through to the price of every chip, sensor, and module that comes off the line.
But energy is only part of the picture. The petrochemical supply chain that feeds electronics manufacturing — producing the laminates for printed circuit boards, the resins for encapsulation, the photoresists for lithography — relies on oil and gas derivatives that are now subject to the same disruption. Industry analysts have suggested that sustained petrochemical volatility could push material input costs up by 10–18%, a margin impact that will inevitably be passed along to buyers.
Looking ahead, the electronics industry has long benefited from relatively stable input costs compared with sectors like construction or heavy manufacturing. That advantage is eroding. If energy and petrochemical prices remain elevated through the second half of 2026, we should expect component price increases across broad categories — not just semiconductors, but passives, connectors, and PCBs. Procurement teams that are not already modelling energy-linked cost scenarios into their forward planning are behind the curve.
Invisible Materials, Visible Consequences
Perhaps the most striking aspect of this conflict, from an electronics perspective, is the exposure of dependencies on materials that rarely feature in supply chain risk assessments.
Take helium. It is essential for cooling silicon wafers during processing and plays a critical role in photolithography. Qatar is responsible for roughly a third of global helium production — and halted output at its principal facility following Iranian drone strikes. Spot prices surged by around 40% in the first week alone. If Qatari production remains offline for an extended period, the semiconductor industry faces a genuine bottleneck in a material for which there is no ready substitute at scale.
Then there is bromine, used in advanced circuit fabrication and chip inspection processes. Around two-thirds of global supply comes from Israel and Jordan — both directly affected by the wider regional instability. South Korea has already flagged 14 chip-related supply items as vulnerable, and major memory manufacturers are assessing the risk of production interruptions.
Sulphur — refined into the high-purity sulphuric acid used as a cleaning agent throughout wafer fabrication — is another exposure. Gulf states account for a quarter to a third of worldwide output. Shortages have not yet materialized, but the margin of safety is thinner than it was a month ago.
Aluminum tells a similar story. Gulf Cooperation Council nations produced over six million tons last year, and some — Qatar and Bahrain among them — have already halted deliveries to overseas customers.
Looking ahead, this conflict should be a catalyst for the industry to rethink how it maps supply chain risk. Most organisations assess their exposure at the level of direct component suppliers. Very few trace dependencies back to the raw materials, specialty chemicals, and process gases that those suppliers rely on. The companies that invest in this deeper visibility now will be better positioned when — not if — the next disruption hits a different part of the materials map.
Europe’s Air Freight Headache
For European buyers of semiconductors and high-value electronic components, the disruption extends well beyond shipping lanes. Air freight corridors that cross the Middle East have been affected by the conflict, with airport and logistics facilities in the region coming under direct threat. Global air freight capacity has dropped by an estimated 9% relative to pre-conflict levels.
The practical effect is that European automotive suppliers, contract manufacturers, and chip foundries are facing delivery delays and absorbing higher logistics costs. Some buyers — particularly those sourcing higher-value components — are paying the premium to keep shipments moving. Others, especially those purchasing lower-value parts, are running down buffer stocks and waiting for costs to settle.
The automotive sector is particularly exposed. Modern vehicles contain thousands of electronic components, and production scheduling depends on tightly coordinated just-in-time deliveries. Even modest delays can cascade through assembly lines.
Looking ahead, the air freight disruption is likely to accelerate a shift that was already beginning: a move towards holding larger safety stocks of critical components within Europe, rather than relying on rapid replenishment from Asian suppliers. For distributors and logistics providers, this represents both a challenge and a commercial opportunity. Warehousing capacity in Europe, already tighter than many would like, is set to become a more strategic asset.
The SMIC-Iran Dimension: Where Trade and Conflict Collide
Late March brought a development that adds an entirely new layer of complexity. Allegations emerged that China’s largest chipmaker, SMIC, has been providing semiconductor manufacturing equipment and technical expertise to Iran’s military establishment for approximately the past year.
Whether or not the equipment involved contains US-origin components, which would represent a direct sanctions breach, the implications are significant. It signals that export controls designed to contain the spread of advanced semiconductor capability are being tested and, in some cases, circumvented through indirect channels. It draws China further into the geopolitical dynamics of the Iran conflict. And it raises the prospect of retaliatory sanctions that could affect not just SMIC, but the wider ecosystem of firms that supply or partner with it.
For procurement and design teams, the practical takeaway is this: the regulatory environment around semiconductor sourcing is becoming more volatile, not less. Components and technologies that are freely available today may face new restrictions tomorrow, depending on how governments respond to these evolving alliances.
Looking ahead, the convergence of military conflict and semiconductor trade policy is likely to produce a more fragmented global market. We may see the emergence of distinct technology blocs — loosely aligned around the US, China, and a non-aligned middle — each with its own supply chains, standards, and restrictions. For companies operating across multiple markets, managing this fragmentation will become a core competence, not a peripheral concern.
Rare Earths: The Leverage Nobody Wants to Acknowledge
There is a dimension to this conflict that rarely features in electronics industry commentary but has the potential to be the most consequential of all.
China refines over 90% of the world’s rare earth output and produces a similar share of permanent magnets — components embedded in everything from electric vehicle motors to data centre cooling systems to the guidance mechanisms of precision weapons. Iran, meanwhile, has been positioning itself as a future player in critical minerals, having launched a monazite processing facility last year and claiming to sit on vast lithium reserves.
The strategic calculation is not complicated. If Beijing decides that the Western military campaign against its regional partner has gone too far, restricting rare earth exports to the US and its allies becomes one of the most powerful responses available — one that does not require firing a single missile.
The West is not well positioned to absorb such a move. The capacity to take raw rare earth oxides and process them into the high-specification metals and alloys needed for defense and advanced electronics applications simply does not exist at scale outside China. Building it will take years, significant capital, and expertise that has largely been offshored.
Looking ahead, the rare earth question may prove to be the longest-lasting legacy of this conflict for the electronics sector. Even if the immediate military situation is resolved, the vulnerability it has highlighted will persist. Expect to see accelerated investment in alternative processing capacity in the US, Australia, and potentially India — but do not expect quick results. In the meantime, any company with significant rare earth exposure in its bill of materials should be scenario-planning for restricted access, and considering design alternatives where they exist.
What This Means for the Industry — Now and Next
The practical steps that companies should be taking are not new in concept, but this conflict has made them urgent in a way that previous disruptions did not.
Trace your supply chain deeper than you think necessary. Knowing your component suppliers is not enough. You need to understand where the materials, chemicals, and gases that enable their manufacturing come from — and what happens if access to those inputs is interrupted. This level of visibility is rare in the industry today, but it is becoming essential.
Hold more stock of critical parts. The post-pandemic instinct to rebuild buffer inventories has proved wise. Companies that maintained strategic reserves are navigating this crisis with far less disruption than those that reverted to lean models. For single-source or long-lead-time components, carrying additional stock is an investment in continuity, not a cost to be minimized.
Diversify with intent, not just intent to diversify. Nearly every company in the sector claims to be pursuing a diversified sourcing strategy. Far fewer have actually qualified and tested alternative suppliers for their most critical components. The difference between a strategy on paper and one that works under pressure is qualification, validation, and — critically — regular exercising of alternative supply routes.
Design with geopolitics in mind. Component selection at the design stage has always been driven by performance, cost, and availability. Geopolitical risk now belongs on that list. Choosing parts with multiple qualified sources across different regions, and avoiding unnecessary dependencies on materials concentrated in politically unstable areas, is a design discipline that will pay dividends.
Prepare for a regionalised future. The trend towards regionalised manufacturing — producing closer to the point of consumption — is being accelerated by this conflict. It carries higher upfront costs, but the total cost of ownership shifts substantially when you factor in the expense of disruption, rerouting, and delay. Expect to see more investment in European and North American manufacturing capability over the next three to five years, particularly in sectors where supply security is paramount.
The World After This Conflict
Whatever the eventual resolution of the military situation in the Gulf, the electronics industry will not return to the status quo ante. The structural dependencies and concentrated risks that this conflict has laid bare were accumulating long before the first strikes — they stretch back through the pandemic, through years of US-China trade tensions, through the progressive weaponization of export controls and tariff policy.
What the Iran war has done is remove the last fig leaf of plausibility from the argument that globalized, just-in-time, cost-optimized supply chains are fit for purpose in a world of persistent geopolitical instability. They are not. The evidence is now overwhelming.
The companies that recognise this and act accordingly — investing in visibility, resilience, diversification, and regional capability — will be better positioned for whatever comes next. And in an industry as exposed to geopolitical currents as electronics, there will always be a next.
The question is not whether you can afford to make these changes. It is whether you can afford not to.
Steve Carr Is associate partner and analyst at GeoTechNexus. He can be contacted at steve.carr@markettraction.io.
