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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39 views

CE/FCC/RoHS/etc certification for Intel NUC and other barebone MiniPCs?

Intel sell the Intel NUC without a hard drive or ram. They provide a list of compatible rams and drives. By sliding in the ram stick and drive, am I not invalidating all of the certificates on the ...
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68 views

Ambiguous Lead Exposure in USB Audio Interface

I recently purchased a midtier USB audio interface which I found this warning. Would it be safe to assume that the product just uses lead solder? I know there are sensitive analog components here -- ...
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66 views

What is the main factor silver in solder wire?

Previously I was using traditional soldering wire 60/40 Sn/Pb (stannous)(lead). Restriction of Hazardous Substances (RoHS) says that Pb (lead) is dangerous for enviroment. So we should not use lead. ...
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684 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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429 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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138 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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4k 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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101 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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313 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
1k 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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120 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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5k 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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331 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
256 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
323 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
224 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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648 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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514 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-...