Y&T Technology Development Co.,Ltd

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FAQ?

We receive many requests for information on our products. Please allow us to answer most common questions.

Most of our products are displayed on this website(for electronic components) or ytledlights.com(for led lights),and if you want to know the price of our electronic components or led lights products ,you can send email to:
Electronic components: sales@yt-electronic.com
LED Lights: sales@ytledlights.com
We are pleased to quote the price of our electronic components or PCB or PCB Assembly service to you. You can also talk with us by our live chat systems freely for any parts or any PCB or PCB Assembly service you need and we are ha[[u to answer you any questions.

General:

Q: What does yt-electronic do?

We're a globally professional provider integrating PCB fabrication, assembly and components sourcing. You can get turnkey PCB services all under one roof.

Q: Do you offer PCB layout or other engineering service?

We're capable of taking PCB layout work. Just send your circuit dirgram / drawing and project requirement to email:sales@yt-electronic.com, we will review your demands and quote for engineering and production.

Q: I only have schematic, can you make PCBs for me?

Yes. We can do PCB layout based on your schematic, then schedule the production. Please send your schematic and requirement to email: sales@yt-electronic.com, we'll give the quotation accordingly.

Q: Where are your circuit boards manufactured?

As a China-based professional PCB manufacturer, all circuit boards are manufactured in China, then ship out to your office.

Q: Do you ship boards to my country?

We've shipped PCB boards to customers from over 100 countries in the past 12 years and the number keeps rising each year. Surely we can ship boards to your country.

Q: Do you offer free samples?

We do not offer free PCBs. If you want to verify our quality prior to volume production, it's optimal to submit a prototype order. Once you've verified our quality, it's easy to repeat the order at any quantity you need.

Q: What are your working hours?

Our hours of operation are as follows (China time zone):

8:30 a.m. - 17:30 p.m. (GMT+8) from Monday to Friday

8:30 a.m. - 11:30 a.m. (GMT+8) Saturdays.

We do not work on Sundays and public holidays.

Bare Board PCB Ordering:

Q: Is there any limit on minimum order quantity for bare PCB order?

Our minimum order quantity of Prototype PCBs starts is 5pcs. However, we can start from any quantity for Standard PCB service.

Q: How can I get PCB fabrication price? / How to order bare board PCBs? / Can I place PCB orders via email?

You can quote bare board PCBs within seconds using our quote system:

Step 1: Enter Standard PCB Quote page if you need many pcb production or PCB Prototype Quote page if you are looking for prototype boards, Input your circuit specifications and your name,your email and the other contact info and then press Submit Button.We will send you the price by email as soon as possible.

Step 2: If you accept the price,we will make you an PI file and then you can make the payment for the deposit.

Step 3: We will manufacture the goods for you at once after we receive the deposit.

Step 4: We will ship the goods to you at once after we receive the balance cost.

Q: How can I get quotation of Aluminum PCB, Metal Core PCB, LED PCB, Flex PCB, Flex-rigid PCB, Rogers PCB, etc.?

Send your PCB design file, substrate and quantity requirements to email: sales@yt-electronic.com, and we'll quote for you very quickly.

Q: I only have single PCB file, can I have my boards manufactured in panels?

Yes, we can work with single PCB files and manufacture boards in panels. To receive pcbs in panels, please tell us your panel type and input panel quantity and size when make the order;

Q: Can I still increase PCB quantity even though the order has been placed?

Once an order has been placed, it's impossible to change quantity. However, you can place a new order to get the additional quantity - no extra tooling cost will be charged. We can arrange combined shipping for these two orders.

Q: How to repeat my previous order? How do I reorder PCBs?

Reorder bare board pcbs is pretty easy. You even don't need to resend files, and no tooling costs will be charged.

A: You only need tell us the PCB number of your PCB Board before and the PI number of your order before and then we can get all the detail and send you the new PI file to let you confirm.

B: If you think the new PI file is no problem,you can make the payment and we will manufacture the goods for you at once.

Note: NO PCB design modification is accepted except for design updates on silkscreen layer & wiring layer. Otherwise, you have to place it as a new order.

Q: I'm going to place a large order, but I need to test your quality first. Is this possible?

Absolutely. You can place a prototype order first. Use either option to check the quality, then inform us whether if you want to move forward to mass production.

Option 1: We can send board images for your basic check and inspection. Once confirmed, you may repeat this order and purchase large quantity. We will ship all circuit boards to you at one time.

Option 2: We can ship boards to your office for comprehensive inspection. Once confirmed, you may order the rest boards.

Q: Can I order boards that my friends have ordered from you in the past?

Yes. If you already have the pcb design file, please send an email to this email: sales@yt-electronic.com (cc your friend on this email). Please include your order number and your friend's previous order number. We'll deduct the tooling cost and send the price by email to you.

If you don't have the file, please let our salesman know by sending email to this email: sales@yt-electronic.com (cc your friend on this email, please include your friend's previous order number) for reorder. We'll guide you through.

Q: I just placed an bare board order, can I have this order assembled too?

Of course. We can assemble those boards. But the PCB production won't start until both your BOM and circuit design files are confirmed. If this is acceptable, please submit a quote request on Assembly quote page .The assembly cost will be given within 1-2 working days. With your approval, we'll guide you to place the assembly order by email.

Q: I sent an quote days ago but haven't received any emails.What should I do?

If you have sent the files and your parameters by our quote system days ago and you have not received any email from us,please click the live chat in the right corner and we will check at once for you.

Sometimes our emails will be transferred into your emailbox's junk folder, please have a check and add us on your safe sender lists. If you have not heard from us within 2 working days, please talk with us freely by our live chat system for quote status.

Q: What if I have a problem with my boards? Do you offer rework?

Please send high res images of your boards to this email: sales@yt-electronic.com for evaulation. Once confirmed the issue is caused by our side, we'll accept responsibility and repair your boards.

Stencil Ordering:

Q: Which is better, a laser cut stencil or a chemical etch stencil? Which is cheaper?

The laser cut stencil is more accurate than the chemical etched stencil, but its price is a little higher. It is cut in a trapezium shape while the chemical etched stencil is cut in a blade or sandglass shape. Its aspect ratio is 1:1 while the aspect ratio of the chemical etched stencil is 1.5:1.

Q: How much does stencil cost? Where can I find your stencil prices?

You can quote stencils by these option:

Option 1: Quote for a random circuit on Standard PCB quote page or PCB Prototype quote page, check the Laser Stencil option to enter stencil parameters, then mark "I only need the stencil" at Special Requirements Note section. Or Quote diectly from stencil quote page and please input your PCB part Number.Then Submit the quote and we will send you the price by email.

Option 2: Email to this email:sales@yt-electronic.com for stencil price, make sure you include the order number.

PCB Assembly Ordering:

Q: Is there any limit on minimum order quantity for PCB Assembly order?

If you're looking for Prototype service, the min order quantity of PCBs is 5pcs but it's ok to have only 1pc of assembled board. If you use our Standard PCB service, there is no min order quantity limit.

Q: How much does PCB Assembly cost? / How to order PCB assembly service? / Can I place an PCB Assembly order via email?

You have to submit the info to get assembly price. Once quote and BOM are confirmed, we'll guide you to place the order.

Step 1: Enter PCB Assembly Quote page ,input your circuit specification, assembly requirements, upload Gerber file, drilling file and BOM, contact info and then click Submit quote button.

Step 2: Assembly quote will be sent to your email inbox within 1-2 working days. Please give feedback on the quote.

Step 3: Once the price is agreed, we will send you an Pi file by email. And then please release the payment by you.

Step 4: BOM confirmation and DFM Check will be carried out once order is received. Production begins only after everything is confirmed.

Q: Can I still change circuit spec once the quote request has been submitted?

Unfortunately it's impossible to change. Please submit a new request on PCB Assembly Quote page , we'll quote based on the updated spec.

Q: I request PCB Assembly quote days ago but haven't received any email. What should I do?

Generally it takes 1-2 working days for us to quote assembly projects. Extra time will be required if you ask for large quantity. We'll send the quote to your email inbox once it's ready. First of all, please check your email inbox and junk folder for any email sent from us. If no email was found, please reach us at Live Chat in the right corner for assistance.

Q: How to reorder previous assembled boards?

It's pretty easy to reorder assembled boards on yt-electronic and you don't need to resend files, and no tooling cost will be charged.

Step 1: Please send us the email to this email:sales@yt-electronic.com to tell us your PCB number and your PI number before and your new quantity and other updated requirements.

Step 2: The updated quote will be sent to your email inbox within 1-2 working days. If the offer is accepted, we will send you the PI file by email and please release the payment.

Step 3: BOM confirmation and DFM Check will be carried out once order is received.

Q: Do you offer first article inspection for PCB Assembly purchase?

Absolutely. We offer two first article inspection options:

Option 1: We send board images for your basic check and inspection. Once confirmed, we'll continue assembling your boards. All circuit boards will be shipped to you once completed.

Option 2: We ship boards to your office for comprehensive inspection. Once confirmed, we'll continue the rest production.

Generally speaking, Option 2 is more expensive and takes longer lead time than Option 1.

Q: Do you purchase components? / Can you ensure the quality of the parts?

With more than 11 years' experience in this industry, we are specially good at this field.We have built a reliable components sourcing channel. All components will be purchased from the agents or the original factories. Additionally, we have a quality control department which can make sure that: all the parts we sell is 100% original and New. You do not need worry about the quality of the components parts from yt-electronic.

Electronic Components:

Q: Mini quantity?

1pcs or complete package.

Q: Can you sell other Electronic components or Led lights which are not displayed on your websites?

Yes, of course.As you know,we are located in the center of shenzhen city.There are so many big markets for electronic components and led lights.So we can supply you many original goods with good price.

Q: How do I order?

1. You can clink Contact Us in this website yt-electronic.com or ytledlights.com and then send message to us.

2.You can send email to
Electronic components: sales@yt-electronic.com
Led lights: sales@ytledlights.com.
Or you can also call us by this telephone number: +86-755-82882936.

Capabilities And Technical Requirements:

Q: What standards does yt-electronic follow?

We're fully ISO9001:2008, UL and RoHS certificated. Our assembled circuit boards meet IPC Class 3 standards.

Q: What is the Dielectric Constant of your standard FR4 material?

The typical value of our FR4 Tg140 substrate dielectric constant is 4.6, FR4 Tg170 substrate dielectric constant is 4.2.

Q: What is the largest PCB you can make?

Prototype PCB: Min 6*6mm | Max 500*500mm

Standard FR4 PCB: Min 6*6mm | Max 600*700mm

Alunimun PCB: Min 6*6mm | Max 610*610mm

Flex PCB: Min 6*6mm, Max 406*610mm

HDI PCB / Flex-rigid pcb / High Frequency PCB / Thick Copper PCB / Halogen-Free PCB: Min 6*6mm | Max 457*610mm

High Tg PCB: Min 6*6mm | Max 500*900mm

Q: What is the largest PCB you can make?

Single-sided PCB & Double-sided PCB: Min 150*200 | Max 400*450mm

4-10 layer PCB: Min 203*229 | Max 406*457mm

12-24 layer PCB: Min 305*305 | Max 305*457mm

Q: What is the largest panel you can assemble?

Min 50*50 | Max 310*410mm

Q: Do you offer custom layer stack up?

We manfuacture prototype boards based on default layer stack up. If you need custom layer stack up, please switch to our Standard PCB service. Feel free to tell us your layer stack up by this email:sales@yt-electronic.com - don't forget to tell us your pcb thickness and layer count.

Q: Can you handle controlled impedance requirements?

Yes. Our Standard PCB service offers impedance control option. You may quote on Standard PCB Quote page , make a note "please control impedance within **" at the Special Requirements Note section. Then submit the quote, upload files and we will quote to you by email. Your requirement will be known before we manufacture your PCBs.

Q: Can you perform an X-ray inspection after assembly?

After assembly, we can launch X-ray test on QFN, LGA, BGA and other components which have bottom pads. Extra cost will be charged for X-ray test.

Q: Can you program my chip?

Yes. We can require our Progrmmer to program your chips as your requirements if you need.

File Requirements:

Q: Which software you propose to create a pcb? / What files do you need?

There is no specific requirement on PCB design software. We can precisely manufacture your boards as long as you provide us with PCB design files in Gerber RS-274X format (most preferred, 274D format is not accepted), files in *.PCB/DDB (Protel, please inform your Protel program version) or *.BRD (Eagle) formats.

Q: How can I send PCB files to you?

On the quote page, please click Upload Gerber File button right under Deliver method box, then select file in the pop up window.

Q: I need to change the PCB file of my order, how can I do that?

You may change the file without cost if the order has't been confirmed. Once the order is confirmed and scheduled for production, there will be some scrap fee:

1. If it's a prototype order, the whole order value will be scrapped;

2. If it's a standard PCB order, the scrap fee will be charged based on the production process.

To change your file, please send the updated PCB file along with the order number and PCB part number to this email:sales@yt-electronic.com and also talk with us by our Live Chat System.We'll react very quickly.

Q: I need to change BOM of my assemby order. What should I do?

Please send the final BOM to this email:sales@yt-electronic.com.We'll handle the rest.

Q: Can you review my PCB files first? I need to know that you have the capabilities to make my boards before order.

We have manufactured PCB for more than 12 years.We have the capabilities to manufacture almost all kinds of circuit boards.Once payment received, we'll carry out DFM check. We'll be in touch if there's any question on your file.

Q: I only have single PCB file, can you panelize the file and manufacture boards in panels?

Yes, we offer free PCB file panelization service. When submitting your quote, please select panel Board Type, fill in panel number at Quantity section and panel size at Board Size section. Then follow our quote guide to upload single pcb file and send the quote. We will panelize the file based on your circuit spec and send you the final price and file for confirmation. Order production starts only with your permission.

Q: What is BOM? / What info do you need to purchase my components?

BOM, short for bill of materials, is a comprehensive list of raw materials, items, assemblies and sub-assemblies, components etc. for product manufacturing. We require Manufacturer Part Number,Package, Quantity and Description of components to quote for the assembly price.

Lead Time:

Q: Can you finish PCBs in a shorter time, 2-3 days for example?

We can speed up PCB manufacturing and finish the job within 2-3 working days. But there will be rush fees. For expedited PCB production quote, please send your pcb design file and requirements and quantity and lead time to this email:sales@yt-electronic.com

Q: How do you calculate lead time for an order?

Lead time is counted from the next working day following payment receipt and confirmation of files. It is not include weekends, national holidays and shipping time. Thus, orders placed on Sundays and public holidays will be processed on the next working day.

Q: What is the expected lead time for a PCB?

Our lead time for standard circuit boards production is 7-12 working days, and 5-7 working days for prototype PCBs. The price will be higher if you need it to be more quick;

Q: What is the expected lead time for a PCBA order?

Our standard lead time for PCB assembly orders is around 3-4 weeks.PCB manufacturing, Component sourcing, and Assembly will be finished within the lead time.

Q: What is the lead time for stencils?

Our standard lead time for stencils is 1-2 working days after we have confirmed the stencil production file.

Payment and Invoice:

Q: What payment methods are available? / Can I pay via PayPal/Western Union/MoneyGram?

Currently we only accept PayPal and Wire Transfer and Western Union.MoneyGram and Credit card are unaccepted. But you can release the payment using credit card via PayPal.

Q: I need to add billing address on my invoice.

Please send your billing address and the order number to email:sales@yt-electronic.com We'll update the invoice asap and send it to you by email.

Shipping:

Q: What express options are available?

We can ship circuit boards by FedEX, DHL, UPS, TNT and other express options.

Q: How long does it take for the shipping?

Usually it takes 3-5 working days for international shipping.

Q: Do you offer free shipping? / How much does it cost for shipping?

We can not offer free shipping.The shipping cost is depending on the shipping way you choose and the weight of the goods.We will calculate the shipping cost and add it to the PI file and send the PI file to you by email after you confirm the shipping way.

Q: How much does customs clearance cost? / How much import fee should I pay for importing circuit boards?

Customs and duty fees vary per country and are the sole responsibility of customer upon receipt of package at customs. We can declare your products at lower value to reduce the possibilities that you is charged by high duty fees. Reach us at email: sales@yt-electronic.com to discuss details.

Q: What is the shipping cost of assembly order? Is it included in the quotation?

The shipping cost of assembly order is depending on your order quantity and the detail of your assembly order and the shipping way you choose.We can calculate the almost shipping cost and add it to the PI file for you.

Q: If I want to ship two orders together, how much money can I save?

Please send order numbers along with the shipping address to this email:sales@yt-electronic.com, We will recalculate the shipping cost according to the final weight and tell the price difference asap.

Q: I ordered 300 PCBs, can I get 150 PCBs first?

Sure, we can ship any quantity of PCBs you need. Extra freight fee will be charged from you for seperate shipping.

Q: Where can I find shipping information and tracking number of my order?

We will send you the track number by email to you after we ship the goods to you.

Q: I use the DHL tracking number you offered to check the shipment on DHL's website, but get an error message "No result found for your DHL query", what's wrong?

It's very likely your package was just shipped and the shipment info hasn't been uploaded online. Please run a second check later. If you are unable to track the parcel in 48 hours, please contact us at this email:sales@yt-electronic.com for assistance.

Website Problems and Email Issues:

Q: I am experiencing a problem with your website, we can't submit my quote. / Your website is down, what's the problem?

We apologize for the inconvenience caused. Please send an email to this email:sales@yt-electronic.com for assistance. Make sure you describe the issue, if possible, please provide us screenshot of the webpages.

Q: I sent you an email days ago but still haven't heard any feedback. What's the matter?

Our sales reply all emails within 24 hours during workdays. It's very likely:

1. Our respond directly went into your email junk folder. Please have a check;

2. Our email address doesn't work. Please send us a new email using a different email address for a try or just click the Live Chat Button in the right corner to talk with us freely.


Company Name:Y&T Technology Development Co.,Ltd

Tel:+86-755-82882936

WhatsApp:+86-13570802455

WeChat:+86-13570802455

Email:sales@yt-electronic.com

Skype:alek_yt