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
| Substance | Limit | Common Sources | Category |
|---|---|---|---|
| Lead (Pb) | 0.1% | Solder, glass, ceramics, PVC stabilizers, brass/bronze alloys | Original 6 |
| Mercury (Hg) | 0.1% | Switches, relays, lamps, batteries, LCD backlights | Original 6 |
| Cadmium (Cd) | 0.01% | Batteries, pigments, plating, PVC stabilizers, contacts | Original 6 |
| Hexavalent Chromium (Cr6+) | 0.1% | Corrosion coatings, pigments, leather tanning | Original 6 |
| PBB (Polybrominated Biphenyls) | 0.1% | Flame retardants in plastics, textiles | Original 6 |
| PBDE (Polybrominated Diphenyl Ethers) | 0.1% | Flame retardants in plastics, circuit boards, cables | Original 6 |
| DEHP (Bis(2-ethylhexyl) phthalate) | 0.1% | PVC plasticizer, cables, wire insulation | Phthalates (2019) |
| BBP (Butyl benzyl phthalate) | 0.1% | PVC flooring, synthetic leather, cables | Phthalates (2019) |
| DBP (Dibutyl phthalate) | 0.1% | PVC, adhesives, printing inks, lacquers | Phthalates (2019) |
| DIBP (Diisobutyl phthalate) | 0.1% | PVC, adhesives, lacquers, cellulose plastics | Phthalates (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
Small Household Appliances
IT and Telecommunications
Consumer Equipment
Lighting Equipment
Electrical and Electronic Tools
Toys and Sports Equipment
Medical Devices
Monitoring and Control Instruments
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 reviewLead in solders with >85% lead content
6(b) - Lead in solders for servers/storage
Ongoing reviewLead solder for servers, storage systems, network infrastructure
6(c) - Lead in solders for network equipment
Ongoing reviewLead solder for network infrastructure equipment
7(a) - Lead in glass of CRTs
Expired for most applicationsLead in glass of cathode ray tubes
7(c-I) - Lead in glass/ceramic
Ongoing reviewLead in glass or ceramic parts except dielectric ceramics
8(b) - Cadmium in electrical contacts
Most expired, limited applications remainCadmium and its compounds in electrical contacts
9(b) - Lead in PZT ceramics
Ongoing reviewLead in PZT-based dielectric ceramic materials
15 - Lead in solders for flip chip
Ongoing reviewLead in solders for flip chip packages
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
Initial screening, incoming inspection, large volume testing
Cannot distinguish chemical forms (e.g., Cr vs Cr6+), surface measurement only
Semi-quantitative, requires confirmation for borderline results
ICP-OES/ICP-MS
Inductively Coupled Plasma for precise elemental quantification
Confirmation testing, certification, accurate concentration determination
Destructive, requires sample preparation, more expensive
Highly quantitative, reference method for metals
UV-Vis Spectroscopy
For hexavalent chromium determination via diphenylcarbazide method
Specific Cr6+ quantification in extracted samples
Requires extraction, specific to chromium speciation
Quantitative for Cr6+, ISO 17075 standard method
GC-MS
Gas Chromatography-Mass Spectrometry for organic compounds
Phthalates, PBB, PBDE determination
Requires extraction and sample preparation
Quantitative, reference method for organic restricted substances
7-Step RoHS Compliance Process
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
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
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
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
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
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
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
Related Guides
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