Questions tagged [rohs]

Restriction of Hazardous Substances (RoHS) is a European Union (EU) directive aimed at reducing the amount of hazardous substances used in electronic systems. It covers several types of materials and lead is a common concern. RoHS compliance is generally required to sell products in EU countries.

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2answers
656 views

How safe is using non-RoHS parts?

I was wondering the safety of using non-RoHS parts for hobby projects. I already use non-leaded solder, but some of the parts I have are not RoHS compliant. How much would I, and my family, be exposed ...
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3answers
306 views

How to calculate\estimate thermocouple junction of a solder junction between a PCB and a component

Thermal junctions between two dissimilar metals on a PCB can create voltages. How do I estimate or bound (by estimating a max voltage via a max temperature) the thermocouple effect on a pcb? Most ...
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1answer
126 views

Is perfboard generally lead-free?

While shopping for perfboard/protoboard, the only products I've found listed as RoHS are brand-name items, costing several times that of the generics. Is perfboard/protoboard inherently free of lead, ...
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2answers
3k views

FCC, ROHS and CE certification and compliance [closed]

I have design a PCB which has Stepper driver, micro-controller, 204JHD display, MOSFETS for driving fans and TRIACS for driving heaters.There is not RF components on the PCB. What are the criterias ...
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1answer
95 views

Does the RoHS standard apply to variable frequency drives?

I'm having a bit of a disagreement with a customer about whether RoHS applies to variable frequency drives and comparable equipment. This is complicated by my understanding that RoHS is being rolled ...
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1answer
303 views

Is there a correct way to document RoHS compliance?

I work for a small electrical engineering company. Our products are not presently RoHS, but we're planning to switch over. As best I can tell, this is a matter of ensuring that our individual ...
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2answers
929 views

What makes lead-free solder harder to use? [duplicate]

Soldering in a RoHS-compliant way normally means using a solder that does not contain lead - the metal that made up most part of common solder before. Handsoldering using lead-free solder seems to be ...
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1answer
119 views

Lead free compliant question

Do hand tools such as cutters and pliers have to be replaced to switch over to lead free soldering station to be compliant?
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4k views

What lead-free solder type is convenient to use for hand-soldering?

I have read some discussions about the lead-free solders on the forum, but could not see what solder type is easier to use for hand soldering (among lead-free ones)? As an example, I see only two ...
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2answers
311 views

European RoHS directive - is it a nonsense? [closed]

I live in European Union. We have RoHS directive here. Each European Union member state will adopt its own enforcement and implementation policies using the directive as a guide. RoHS is ...
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1answer
255 views

Non-wet open solder fault on the same ball of two different devices of the same part?

Sophisticated PCBA, with a DM6446 using two 16 bits DDR2 devices to implement a 32 bit memory space. On some boards, we see a stuck bit on either bit 24 or bit 8, which map to the same BGA ball (C8) ...
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1answer
291 views

Are there compliance problems with selling products with exposed PCBs?

If I were to go to mass production with a consumer product is there a good guide on making sure I was following the correct compliances so that stores would accept selling it? For example can part ...
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2answers
217 views

Are low volume products RoHS exempt in the EU?

Are small companies that intend to sell less than 100 units in the EU market required to comply with RoHS? This Forbes article seems to state that exemptions are possible till 2017? REACH and RoHS ...
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607 views

Any issues with changing to lead-free solder?

I'm thinking of changing to lead-free solder. I've heard some people prefer a traditional Pb/Sn solder, but haven't heard any specific reasons why. I'm mostly doing through-hole work, and I have a ...
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4answers
482 views

When Does Lead-Free Matter?

When shopping for components it's common to find a lead-free or RoHS-compliant version of the part along side one that is not. Under what circumstances does it matter that I chose exclusively lead-...