EU Directive
Electronics
20 min read

RoHS Directive Guide

The RoHS Directive restricts hazardous substances in electrical and electronic equipment to protect human health and the environment. This comprehensive guide covers all 10 restricted substances, product scope, exemptions, testing requirements, and compliance documentation for electronics sold in the EU market.

What is the RoHS Directive?

RoHS (Restriction of Hazardous Substances) Directive 2011/65/EU, as amended by Directive (EU) 2015/863, restricts the use of specific hazardous materials found in electrical and electronic products. The directive aims to reduce environmental contamination from electronic waste and protect assembly workers and consumers from toxic substances.

Originally introduced in 2006 with six restricted substances, RoHS was updated in 2011 (RoHS 2) to expand scope and align with CE marking requirements, and again in 2015 to add four phthalates. The current directive restricts 10 substances with maximum concentration limits in "homogeneous materials"—materials that cannot be mechanically separated into different materials.

RoHS is integral to CE marking for electronics. Products requiring CE marking that fall within RoHS scope must demonstrate compliance through technical documentation and include RoHS in their EU Declaration of Conformity. Non-compliance prevents legal market access and can result in products being seized at customs or removed from sale.

For e-commerce sellers, RoHS compliance is actively enforced by platforms like Amazon, which may request test reports and declarations for electronics products. Market surveillance authorities also conduct testing programs, and non-compliant products face recalls, fines, and reputational damage.

10 Restricted Substances Under RoHS

SubstanceLimitCommon SourcesCategory
Lead (Pb)0.1%Solder, glass, ceramics, PVC stabilizers, brass/bronze alloysOriginal 6
Mercury (Hg)0.1%Switches, relays, lamps, batteries, LCD backlightsOriginal 6
Cadmium (Cd)0.01%Batteries, pigments, plating, PVC stabilizers, contactsOriginal 6
Hexavalent Chromium (Cr6+)0.1%Corrosion coatings, pigments, leather tanningOriginal 6
PBB (Polybrominated Biphenyls)0.1%Flame retardants in plastics, textilesOriginal 6
PBDE (Polybrominated Diphenyl Ethers)0.1%Flame retardants in plastics, circuit boards, cablesOriginal 6
DEHP (Bis(2-ethylhexyl) phthalate)0.1%PVC plasticizer, cables, wire insulationPhthalates (2019)
BBP (Butyl benzyl phthalate)0.1%PVC flooring, synthetic leather, cablesPhthalates (2019)
DBP (Dibutyl phthalate)0.1%PVC, adhesives, printing inks, lacquersPhthalates (2019)
DIBP (Diisobutyl phthalate)0.1%PVC, adhesives, lacquers, cellulose plasticsPhthalates (2019)

Note: Limits are maximum concentration values (% by weight) in homogeneous materials. The 0.01% limit for cadmium is 10x stricter than other substances due to its extreme toxicity.

Products Within RoHS Scope

RoHS applies to all electrical and electronic equipment (EEE) with a voltage rating up to 1000V AC or 1500V DC. This includes 11 product categories covering virtually all electronics:

Large Household Appliances

RefrigeratorsWashing machinesOvens

Small Household Appliances

Vacuum cleanersToastersCoffee makers

IT and Telecommunications

ComputersPhonesPrinters

Consumer Equipment

TVsAudio systemsCameras

Lighting Equipment

LED lampsFluorescent fixturesDecorative lighting

Electrical and Electronic Tools

DrillsSawsSoldering irons

Toys and Sports Equipment

Electric trainsVideo gamesSlot cars

Medical Devices

Diagnostic equipmentTherapeutic devicesIn vitro diagnostics

Monitoring and Control Instruments

ThermostatsSmoke detectorsIndustrial monitoring

Important: Cables and Spare Parts

Cables, power adapters, and spare parts are explicitly within scope if they have electrical functionality. This is a common compliance gap—ensure all accessories and replacement parts also meet RoHS requirements.

RoHS Exemptions

RoHS allows exemptions for applications where restricted substances are technically unavoidable or where alternatives would have greater negative impacts. Exemptions are listed in Annexes III and IV and are time-limited. If you use exempted applications, you must document them in your technical file.

6(a) - Lead in high melting temperature solders

Ongoing review

Lead in solders with >85% lead content

Application: High-reliability electronics, servers, infrastructure

6(b) - Lead in solders for servers/storage

Ongoing review

Lead solder for servers, storage systems, network infrastructure

Application: Enterprise IT equipment

6(c) - Lead in solders for network equipment

Ongoing review

Lead solder for network infrastructure equipment

Application: Telecom and network infrastructure

7(a) - Lead in glass of CRTs

Expired for most applications

Lead in glass of cathode ray tubes

Application: Legacy display technology

7(c-I) - Lead in glass/ceramic

Ongoing review

Lead in glass or ceramic parts except dielectric ceramics

Application: Optical components, piezoelectric devices

8(b) - Cadmium in electrical contacts

Most expired, limited applications remain

Cadmium and its compounds in electrical contacts

Application: High-reliability switches

9(b) - Lead in PZT ceramics

Ongoing review

Lead in PZT-based dielectric ceramic materials

Application: Sensors, actuators, transducers

15 - Lead in solders for flip chip

Ongoing review

Lead in solders for flip chip packages

Application: Advanced semiconductor packaging

Exemption Management: Exemptions have expiration dates and are regularly reviewed. Monitor exemption renewal decisions and plan for alternatives before expiration. Document all exemptions used in your technical file with justification.

RoHS Testing Methods

XRF Screening

X-Ray Fluorescence for rapid elemental screening of solid samples

Best For:

Initial screening, incoming inspection, large volume testing

Limitations:

Cannot distinguish chemical forms (e.g., Cr vs Cr6+), surface measurement only

Accuracy:

Semi-quantitative, requires confirmation for borderline results

ICP-OES/ICP-MS

Inductively Coupled Plasma for precise elemental quantification

Best For:

Confirmation testing, certification, accurate concentration determination

Limitations:

Destructive, requires sample preparation, more expensive

Accuracy:

Highly quantitative, reference method for metals

UV-Vis Spectroscopy

For hexavalent chromium determination via diphenylcarbazide method

Best For:

Specific Cr6+ quantification in extracted samples

Limitations:

Requires extraction, specific to chromium speciation

Accuracy:

Quantitative for Cr6+, ISO 17075 standard method

GC-MS

Gas Chromatography-Mass Spectrometry for organic compounds

Best For:

Phthalates, PBB, PBDE determination

Limitations:

Requires extraction and sample preparation

Accuracy:

Quantitative, reference method for organic restricted substances

7-Step RoHS Compliance Process

1

Determine Product Scope

Verify your product falls within RoHS scope—electrical/electronic equipment with voltage up to 1000V AC or 1500V DC.

  • Confirm product requires electricity to function
  • Check product against 11 equipment categories
  • Identify any exclusions that may apply
  • Document scope determination rationale
2

Create Bill of Materials

Develop a comprehensive BOM identifying all components, materials, and potential sources of restricted substances.

  • List all components and subassemblies
  • Identify homogeneous materials in each component
  • Flag high-risk materials (solder, plastics, coatings)
  • Map supply chain for component traceability
3

Collect Supplier Declarations

Obtain RoHS compliance declarations from all component and material suppliers.

  • Request RoHS declarations from all suppliers
  • Verify declarations cover all 10 substances
  • Confirm declarations reference correct standards
  • Document any claimed exemptions
4

Verify with Testing

Conduct verification testing on high-risk components and materials using XRF screening and wet chemistry.

  • Identify high-risk components for testing
  • Conduct XRF screening as initial check
  • Perform wet chemistry analysis if XRF indicates concern
  • Document all test results and methodology
5

Document Exemptions

If using any exemptions, document the specific exemption, its application, and expiration date.

  • Identify applicable Annex III/IV exemptions
  • Document exemption justification per component
  • Track exemption expiration dates
  • Plan for exemption phase-out where possible
6

Prepare Technical Documentation

Compile technical file demonstrating RoHS compliance including material data, declarations, and test reports.

  • Assemble component compliance evidence
  • Include test reports and supplier declarations
  • Document conformity assessment process
  • Keep records for 10 years post-market
7

Issue Declaration of Conformity

Create EU Declaration of Conformity including RoHS alongside other applicable directives.

  • Reference Directive 2011/65/EU (as amended)
  • Include alongside LVD, EMC, and other directives
  • Sign by authorized representative
  • Make available with product documentation

RoHS Declaration of Conformity

For products within RoHS scope, the EU Declaration of Conformity must reference Directive 2011/65/EU (as amended). This is typically combined with declarations for other applicable directives like LVD and EMC.

Required Elements

  • Manufacturer name and address
  • Product identification (name, type, model)
  • Statement of sole responsibility
  • Reference to Directive 2011/65/EU
  • Reference to harmonized standards used
  • Exemptions applied (if any)
  • Place and date of issue
  • Authorized signatory details

Technical Documentation

  • Product description and design data
  • Bill of materials with substance info
  • Supplier RoHS declarations
  • Test reports (XRF, wet chemistry)
  • Exemption documentation
  • Conformity assessment records
  • Risk assessment for substances
  • Quality control procedures

Common Non-Compliance Issues

Lead in solder joints

Cause: Using legacy leaded solder without valid exemption

Solution: Transition to lead-free solder (SAC305, etc.) or document exemption

Phthalates in PVC cables

Cause: Cables with plasticized PVC containing DEHP/DBP/BBP/DIBP

Solution: Source cables with alternative plasticizers, verify supplier declarations

Cadmium in plating/contacts

Cause: Using cadmium plating for corrosion resistance

Solution: Switch to zinc, nickel, or tin plating alternatives

Hexavalent chromium in coatings

Cause: Anti-corrosion treatments using chromate conversion coatings

Solution: Use trivalent chromium or chromium-free alternatives

Lead in brass components

Cause: Brass alloys containing >0.1% lead for machinability

Solution: Specify lead-free brass or use exemption 6(c) where applicable

PBDE in plastic housings

Cause: Legacy flame retardants in plastic components

Solution: Specify PBDE-free flame retardants in material specifications

Frequently Asked Questions

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